Subject: Re: [Healeys] Lightened flywheels

From: Bruce Steele via Healeys <[email-masked]>
Date: Tue, 7 Sep 2021 12:38:06 -0700

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I=E2=80=99ve been quite happy with the Denis Welch flywheel.

=20

Bruce Steele

Brea, CA

1960 BN7

=20

From: Healeys [mailto:[email-masked]] On Behalf Of =
richard mayor
Sent: Tuesday, September 07, 2021 10:23 AM
To: healeys <[email-masked]>
Subject: [Healeys] Lightened flywheels

=20

6 cylinder flywheels vary slightly but are all generally in the 29 pound =
range. Very aggressive machine work can get the weight down to the 22-23 =
pound range.=20

How much weight you take off will affect your driving style. To maintain =
the feel of a stock Healey while still improving the engines response, I =
suggest removing no more than 3 pounds.=20

=20

Richard  =20

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link=3D"#0563C1" vlink=3D"#954F72"><div class=3DWordSection1><p =
class=3DMsoNormal><span style=3D'font-family:"Trebuchet =
MS",sans-serif'>I=E2=80=99ve been quite happy with the Denis Welch =
flywheel.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Trebuchet =
MS",sans-serif'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Trebuchet MS",sans-serif'>Bruce =
Steele<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Trebuchet MS",sans-serif'>Brea, =
CA<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Trebuchet MS",sans-serif'>1960 =
BN7<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Trebuchet =
MS",sans-serif'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><b><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span><=
/b><span style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'> =
Healeys [mailto:[email-masked]] <b>On Behalf Of =
</b>richard mayor<br><b>Sent:</b> Tuesday, September 07, 2021 10:23 =
AM<br><b>To:</b> healeys =
&lt;[email-masked]&gt;<br><b>Subject:</b> [Healeys] Lightened =
flywheels<o:p></o:p></span></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div><p class=3DMsoNormal>6 =
cylinder flywheels vary slightly but are all generally in the 29 pound =
range. Very aggressive machine work can get the weight down to the 22-23 =
pound range. <o:p></o:p></p></div><div><p class=3DMsoNormal>How much =
weight you take off will affect your driving style. To maintain the feel =
of a stock Healey while still improving the engines response, I suggest =
removing no more than 3 pounds. <o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Richard &nbsp; =
<o:p></o:p></p></div></div></div></body></html>
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From: Earl Kagna via Healeys <[email-masked]>
Date: Tue, 7 Sep 2021 13:16:42 -0700

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I have Bill Bolton lightened flywheels in both my Healeys.  According to Ke=
nt Lambert, who took over Bills Healey business awhile back, the stock weig=
ht (6 cyl) is 28.5 pounds, and Bills machining program reduced them to 24.

Both of my cars run just fine, no problems at all in the 20 + or so years t=
hat I=E2=80=99ve had them installed.

Earl Kagna

Victoria BC

BJ8, BT7 tri-carb

From: Healeys <[email-masked]> On Behalf Of richard mayor
Sent: Tuesday, September 7, 2021 10:23 AM
To: healeys <[email-masked]>
Subject: [Healeys] Lightened flywheels

6 cylinder flywheels vary slightly but are all generally in the 29 pound ra=
nge. Very aggressive machine work can get the weight down to the 22-23 poun=
d range. 

How much weight you take off will affect your driving style. To maintain th=
e feel of a stock Healey while still improving the engines response, I sugg=
est removing no more than 3 pounds. 

Richard   

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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3D"#0563C1=
" vlink=3D"#954F72" style=3D'word-wrap:break-word'><div class=3DWordSection=
1><p class=3DMsoNormal>I have Bill Bolton lightened flywheels in both my He=
aleys.=C2=A0 According to Kent Lambert, who took over Bills Healey business=
 awhile back, the stock weight (6 cyl) is 28.5 pounds, and Bills machining =
program reduced them to 24.<o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;<=
/o:p></p><p class=3DMsoNormal>Both of my cars run just fine, no problems at=
 all in the 20 + or so years that I=E2=80=99ve had them installed.<o:p></o:=
p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal>Earl K=
agna<o:p></o:p></p><p class=3DMsoNormal>Victoria BC<o:p></o:p></p><p class=
=3DMsoNormal>BJ8, BT7 tri-carb<o:p></o:p></p><p class=3DMsoNormal><o:p>&nbs=
p;</o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal>=
<o:p>&nbsp;</o:p></p><div style=3D'border:none;border-top:solid #E1E1E1 1.0=
pt;padding:3.0pt 0in 0in 0in'><p class=3DMsoNormal><b>From:</b> Healeys &lt=
;[email-masked]&gt; <b>On Behalf Of </b>richard mayor<br><b=
>Sent:</b> Tuesday, September 7, 2021 10:23 AM<br><b>To:</b> healeys &lt;he=
[email-masked]&gt;<br><b>Subject:</b> [Healeys] Lightened flywheels<o=
:p></o:p></p></div><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div><p c=
lass=3DMsoNormal>6 cylinder flywheels vary slightly but are all generally i=
n the 29 pound range. Very aggressive machine work can get the weight down =
to the 22-23 pound range. <o:p></o:p></p></div><div><p class=3DMsoNormal>Ho=
w much weight you take off will affect your driving style. To maintain the =
feel of a stock Healey while still improving the engines response, I sugges=
t removing no more than 3 pounds. <o:p></o:p></p></div><div><p class=3DMsoN=
ormal><o:p>&nbsp;</o:p></p></div><div><p class=3DMsoNormal>Richard &nbsp; <=
o:p></o:p></p></div></div></div><div id=3D"DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9=
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[email-masked]

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From: Michael Salter via Healeys <[email-masked]>
Date: Tue, 7 Sep 2021 17:24:29 -0400

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The total mass of the flywheel is not completely relevant insofar as engine
moment of inertia is concerned.
What is important is the mass removed times the square of the radius, so
just how much weight has been removed per se is not important.
Secondly removing rotational inertia is not always the best thing to do, if
it was you can be assured that manufacturers would be all over it as a way
to save money.
The rotational mass is often designed in to protect the drive train, in
particular the gearbox.
Read this:
https://www.netbug.net/blogmichael/2017/01/03/austin-healey-100-crank-failu=
res/
Thirdly lightening a flywheel in of itself has very little effect on
acceleration.  An engine with a lightened flywheel may accelerate to 6000
RPM 1 - 2 seconds more quickly but that doesn't necessarily equate to 1-2
seconds faster to 60 MPH. You may be able to shift marginally faster if the
gearbox can stand the extra loads and the 4 to 5 pounds off vehicle weight
is really only the equivalent of half a tank of fuel. (Who ever notices
that their car accelerates more quickly with a half full gas tank).

Just sayin'

M

On Tue., Sep. 7, 2021, 4:17 p.m. Earl Kagna via Healeys, <
[email-masked]> wrote:

> I have Bill Bolton lightened flywheels in both my Healeys.  According to
> Kent Lambert, who took over Bills Healey business awhile back, the stock
> weight (6 cyl) is 28.5 pounds, and Bills machining program reduced them t=
o
> 24.
>
>
>
> Both of my cars run just fine, no problems at all in the 20 + or so years
> that I=E2=80=99ve had them installed.
>
>
>
> Earl Kagna
>
> Victoria BC
>
> BJ8, BT7 tri-carb
>
>
>
>
>
>
>
> *From:* Healeys <[email-masked]> *On Behalf Of *richard
> mayor
> *Sent:* Tuesday, September 7, 2021 10:23 AM
> *To:* healeys <[email-masked]>
> *Subject:* [Healeys] Lightened flywheels
>
>
>
> 6 cylinder flywheels vary slightly but are all generally in the 29 pound
> range. Very aggressive machine work can get the weight down to the 22-23
> pound range.
>
> How much weight you take off will affect your driving style. To maintain
> the feel of a stock Healey while still improving the engines response, I
> suggest removing no more than 3 pounds.
>
>
>
> Richard
>
>
> <https://www.avast.com/sig-email?utm_medium=3Demail&utm_source=3Dlink&utm=
_campaign=3Dsig-email&utm_content=3Demailclient> Virus-free.
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<div dir=3D"auto">The total mass of the flywheel is not completely relevant=
 insofar as engine moment of inertia is concerned.<div dir=3D"auto">What is=
 important is the mass removed times the square of the radius, so just how =
much weight has been removed per se is not important.=C2=A0</div><div dir=
=3D"auto">Secondly removing rotational inertia is not always the best thing=
 to do, if it was you can be assured that manufacturers would be all over i=
t as a way to save money.</div><div dir=3D"auto">The rotational mass is oft=
en designed in to protect the drive train, in particular the gearbox.</div>=
<div dir=3D"auto">Read this:=C2=A0 <a href=3D"https://www.netbug.net/blogmi=
chael/2017/01/03/austin-healey-100-crank-failures/">https://www.netbug.net/=
blogmichael/2017/01/03/austin-healey-100-crank-failures/</a></div><div dir=
=3D"auto">Thirdly lightening a flywheel in of itself has very little effect=
 on acceleration.=C2=A0 An engine with a lightened flywheel may accelerate =
to 6000 RPM 1 - 2 seconds more quickly but that doesn&#39;t necessarily equ=
ate to 1-2 seconds faster to 60 MPH. You may be able to shift marginally fa=
ster if the gearbox can stand the extra loads and the 4 to 5 pounds off veh=
icle weight is really only the equivalent of half a tank of fuel. (Who ever=
 notices that their car accelerates more quickly with a half full gas tank)=
.</div><div dir=3D"auto"><br></div><div dir=3D"auto">Just sayin&#39;</div><=
div dir=3D"auto"><br></div><div dir=3D"auto">M</div></div><br><div class=3D=
"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Tue., Sep. 7, 2021, =
4:17 p.m. Earl Kagna via Healeys, &lt;<a href=3D"mailto:[email-masked].=
net" target=3D"_blank" rel=3D"noreferrer">[email-masked]</a>&gt; wr=
ote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;=
border-left:1px #ccc solid;padding-left:1ex"><div lang=3D"EN-US" link=3D"#0=
563C1" vlink=3D"#954F72" style=3D"word-wrap:break-word"><div><p class=3D"Ms=
oNormal">I have Bill Bolton lightened flywheels in both my Healeys.=C2=A0 A=
ccording to Kent Lambert, who took over Bills Healey business awhile back, =
the stock weight (6 cyl) is 28.5 pounds, and Bills machining program reduce=
d them to 24.<u></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u><=
/p><p class=3D"MsoNormal">Both of my cars run just fine, no problems at all=
 in the 20 + or so years that I=E2=80=99ve had them installed.<u></u><u></u=
></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal">=
Earl Kagna<u></u><u></u></p><p class=3D"MsoNormal">Victoria BC<u></u><u></u=
></p><p class=3D"MsoNormal">BJ8, BT7 tri-carb<u></u><u></u></p><p class=3D"=
MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u><=
/u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><div style=3D"border:=
none;border-top:solid #e1e1e1 1.0pt;padding:3.0pt 0in 0in 0in"><p class=3D"=
MsoNormal"><b>From:</b> Healeys &lt;<a href=3D"mailto:healeys-bounces@autox=
.team.net" rel=3D"noreferrer noreferrer" target=3D"_blank">healeys-bounces@=
autox.team.net</a>&gt; <b>On Behalf Of </b>richard mayor<br><b>Sent:</b> Tu=
esday, September 7, 2021 10:23 AM<br><b>To:</b> healeys &lt;<a href=3D"mail=
to:[email-masked]" rel=3D"noreferrer noreferrer" target=3D"_blank">=
[email-masked]</a>&gt;<br><b>Subject:</b> [Healeys] Lightened flywh=
eels<u></u><u></u></p></div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>=
<div><div><p class=3D"MsoNormal">6 cylinder flywheels vary slightly but are=
 all generally in the 29 pound range. Very aggressive machine work can get =
the weight down to the 22-23 pound range. <u></u><u></u></p></div><div><p c=
lass=3D"MsoNormal">How much weight you take off will affect your driving st=
yle. To maintain the feel of a stock Healey while still improving the engin=
es response, I suggest removing no more than 3 pounds. <u></u><u></u></p></=
div><div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p></div><div><p class=
=3D"MsoNormal">Richard =C2=A0 <u></u><u></u></p></div></div></div><div id=
=3D"m_4102748135953362380m_-1299543942381278781DAB4FAD8-2DD7-40BB-A1B8-4E2A=
A1F9FDF2"><br>
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stinfo/healeys</a><br>
<br>
s/[email-masked]" rel=3D"noreferrer noreferrer noreferrer" target=
=3D"_blank">http://autox.team.net/mailman/options/healeys/michaelsalter@gma=
il.com</a><br>
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</blockquote></div>

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[email-masked]

--===============6901297398333292470==--

---

From: richard mayor via Healeys <[email-masked]>
Date: Tue, 7 Sep 2021 14:59:30 -0700

--===============1449523823258823229==

--000000000000fabe2505cb6ee17b
Content-Transfer-Encoding: quoted-printable

Michael,

Comparing the weight of fuel in the gas tank to rotational mass is like
comparing apples to bananas.

Richard

On Tue, Sep 7, 2021 at 2:24 PM Michael Salter <[email-masked]>
wrote:

> The total mass of the flywheel is not completely relevant insofar as
> engine moment of inertia is concerned.
> Secondly removing rotational inertia is not always the best thing to do,
> if it was you can be assured that manufacturers would be all over it as a
> way to save money.
> https://www.netbug.net/blogmichael/2017/01/03/austin-healey-100-crank-fai=
lures/
> seconds faster to 60 MPH. You may be able to shift marginally faster if t=
he
> gearbox can stand the extra loads and the 4 to 5 pounds off vehicle weigh=
t
>> weight (6 cyl) is 28.5 pounds, and Bills machining program reduced them =
to
>> 24.
>>
>>
>>
>> Both of my cars run just fine, no problems at all in the 20 + or so year=
s
>> <https://www.avast.com/sig-email?utm_medium=3Demail&utm_source=3Dlink&ut=
m_campaign=3Dsig-email&utm_content=3Demailclient> Virus-free.
>> www.avast.com
>> <https://www.avast.com/sig-email?utm_medium=3Demail&utm_source=3Dlink&ut=
m_campaign=3Dsig-email&utm_content=3Demailclient>
>> <#m_-5451347567706541358_m_4102748135953362380_m_-1299543942381278781_DA=
B4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>

--000000000000fabe2505cb6ee17b
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div>Michael, <br></div><div><br></div><div>Comparing the =
weight of fuel in the gas tank to rotational mass is like comparing apples =
to bananas. <br></div><div><br></div><div>Richard<br></div><div><br></div><=
/div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">O=
n Tue, Sep 7, 2021 at 2:24 PM Michael Salter &lt;<a href=3D"mailto:michaels=
[email-masked]">[email-masked]</a>&gt; wrote:<br></div><blockquot=
e class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px s=
olid rgb(204,204,204);padding-left:1ex"><div dir=3D"auto">The total mass of=
 the flywheel is not completely relevant insofar as engine moment of inerti=
a is concerned.<div dir=3D"auto">What is important is the mass removed time=
s the square of the radius, so just how much weight has been removed per se=
 is not important.=C2=A0</div><div dir=3D"auto">Secondly removing rotationa=
l inertia is not always the best thing to do, if it was you can be assured =
that manufacturers would be all over it as a way to save money.</div><div d=
ir=3D"auto">The rotational mass is often designed in to protect the drive t=
rain, in particular the gearbox.</div><div dir=3D"auto">Read this:=C2=A0 <a=
 href=3D"https://www.netbug.net/blogmichael/2017/01/03/austin-healey-100-cr=
ank-failures/" target=3D"_blank">https://www.netbug.net/blogmichael/2017/01=
/03/austin-healey-100-crank-failures/</a></div><div dir=3D"auto">Thirdly li=
ghtening a flywheel in of itself has very little effect on acceleration.=C2=
=A0 An engine with a lightened flywheel may accelerate to 6000 RPM 1 - 2 se=
conds more quickly but that doesn&#39;t necessarily equate to 1-2 seconds f=
aster to 60 MPH. You may be able to shift marginally faster if the gearbox =
can stand the extra loads and the 4 to 5 pounds off vehicle weight is reall=
y only the equivalent of half a tank of fuel. (Who ever notices that their =
car accelerates more quickly with a half full gas tank).</div><div dir=3D"a=
uto"><br></div><div dir=3D"auto">Just sayin&#39;</div><div dir=3D"auto"><br=
></div><div dir=3D"auto">M</div></div><br><div class=3D"gmail_quote"><div d=
ir=3D"ltr" class=3D"gmail_attr">On Tue., Sep. 7, 2021, 4:17 p.m. Earl Kagna=
 via Healeys, &lt;<a href=3D"mailto:[email-masked]" rel=3D"noreferr=
er" target=3D"_blank">[email-masked]</a>&gt; wrote:<br></div><block=
quote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1=
px solid rgb(204,204,204);padding-left:1ex"><div style=3D"overflow-wrap: br=
eak-word;" lang=3D"EN-US"><div><p class=3D"MsoNormal">I have Bill Bolton li=
ghtened flywheels in both my Healeys.=C2=A0 According to Kent Lambert, who =
took over Bills Healey business awhile back, the stock weight (6 cyl) is 28=
.5 pounds, and Bills machining program reduced them to 24.<u></u><u></u></p=
><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal">Both=
 of my cars run just fine, no problems at all in the 20 + or so years that =
I=E2=80=99ve had them installed.<u></u><u></u></p><p class=3D"MsoNormal"><u=
></u>=C2=A0<u></u></p><p class=3D"MsoNormal">Earl Kagna<u></u><u></u></p><p=
 class=3D"MsoNormal">Victoria BC<u></u><u></u></p><p class=3D"MsoNormal">BJ=
8, BT7 tri-carb<u></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u=
></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal">=
<u></u>=C2=A0<u></u></p><div style=3D"border-color:rgb(225,225,225) current=
color currentcolor;border-style:solid none none;border-width:1pt medium med=
ium;padding:3pt 0in 0in"><p class=3D"MsoNormal"><b>From:</b> Healeys &lt;<a=
 href=3D"mailto:[email-masked]" rel=3D"noreferrer noreferre=
r" target=3D"_blank">[email-masked]</a>&gt; <b>On Behalf Of=
 </b>richard mayor<br><b>Sent:</b> Tuesday, September 7, 2021 10:23 AM<br><=
b>To:</b> healeys &lt;<a href=3D"mailto:[email-masked]" rel=3D"nore=
ferrer noreferrer" target=3D"_blank">[email-masked]</a>&gt;<br><b>S=
ubject:</b> [Healeys] Lightened flywheels<u></u><u></u></p></div><p class=
=3D"MsoNormal"><u></u>=C2=A0<u></u></p><div><div><p class=3D"MsoNormal">6 c=
ylinder flywheels vary slightly but are all generally in the 29 pound range=
. Very aggressive machine work can get the weight down to the 22-23 pound r=
ange. <u></u><u></u></p></div><div><p class=3D"MsoNormal">How much weight y=
ou take off will affect your driving style. To maintain the feel of a stock=
 Healey while still improving the engines response, I suggest removing no m=
ore than 3 pounds. <u></u><u></u></p></div><div><p class=3D"MsoNormal"><u><=
/u>=C2=A0<u></u></p></div><div><p class=3D"MsoNormal">Richard =C2=A0 <u></u=
><u></u></p></div></div></div><div id=3D"gmail-m_-5451347567706541358m_4102=
748135953362380m_-1299543942381278781DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2">=
<br>
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</blockquote></div>
</blockquote></div>

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[email-masked]

--===============1449523823258823229==--

---

From: Michael Salter <[email-masked]>
Date: Tue, 7 Sep 2021 18:15:49 -0400

--===============4566272914651670782==

--0000000000006089b105cb6f1cad
Content-Transfer-Encoding: quoted-printable

Absolutely right Richard  but you are have missed my point.

M

On Tue., Sep. 7, 2021, 5:59 p.m. richard mayor, <[email-masked]>
wrote:

>> if it was you can be assured that manufacturers would be all over it as =
a
>> https://www.netbug.net/blogmichael/2017/01/03/austin-healey-100-crank-fa=
ilures/
>> acceleration.  An engine with a lightened flywheel may accelerate to 600=
0
>> RPM 1 - 2 seconds more quickly but that doesn't necessarily equate to 1-=
2
>> seconds faster to 60 MPH. You may be able to shift marginally faster if =
the
>> gearbox can stand the extra loads and the 4 to 5 pounds off vehicle weig=
ht
>>> I have Bill Bolton lightened flywheels in both my Healeys.  According t=
o
>>> Kent Lambert, who took over Bills Healey business awhile back, the stoc=
k
>>> weight (6 cyl) is 28.5 pounds, and Bills machining program reduced them=
 to
>>> 24.
>>>
>>>
>>>
>>> Both of my cars run just fine, no problems at all in the 20 + or so
>>> years that I=E2=80=99ve had them installed.
>>>
>>>
>>>
>>> Earl Kagna
>>>
>>> Victoria BC
>>>
>>> BJ8, BT7 tri-carb
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> 6 cylinder flywheels vary slightly but are all generally in the 29 poun=
d
>>> range. Very aggressive machine work can get the weight down to the 22-2=
3
>>> pound range.
>>>
>>> How much weight you take off will affect your driving style. To maintai=
n
>>> the feel of a stock Healey while still improving the engines response, =
I
>>> <https://www.avast.com/sig-email?utm_medium=3Demail&utm_source=3Dlink&u=
tm_campaign=3Dsig-email&utm_content=3Demailclient> Virus-free.
>>> www.avast.com
>>> <https://www.avast.com/sig-email?utm_medium=3Demail&utm_source=3Dlink&u=
tm_campaign=3Dsig-email&utm_content=3Demailclient>
>>> <#m_2206703498914175201_m_-5451347567706541358_m_4102748135953362380_m_=
-1299543942381278781_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>

--0000000000006089b105cb6f1cad
Content-Transfer-Encoding: quoted-printable

<div dir=3D"auto">Absolutely right Richard=C2=A0 but you are have missed my=
 point.<div dir=3D"auto"><br></div><div dir=3D"auto">M</div></div><br><div =
class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Tue., Sep. 7=
, 2021, 5:59 p.m. richard mayor, &lt;<a href=3D"mailto:[email-masked]=
m">[email-masked]</a>&gt; wrote:<br></div><blockquote class=3D"gmail=
_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:=
1ex"><div dir=3D"ltr"><div>Michael, <br></div><div><br></div><div>Comparing=
 the weight of fuel in the gas tank to rotational mass is like comparing ap=
ples to bananas. <br></div><div><br></div><div>Richard<br></div><div><br></=
div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_at=
tr">On Tue, Sep 7, 2021 at 2:24 PM Michael Salter &lt;<a href=3D"mailto:mic=
[email-masked]" target=3D"_blank" rel=3D"noreferrer">michaelsalter@gm=
ail.com</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"=
margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-lef=
t:1ex"><div dir=3D"auto">The total mass of the flywheel is not completely r=
elevant insofar as engine moment of inertia is concerned.<div dir=3D"auto">=
What is important is the mass removed times the square of the radius, so ju=
st how much weight has been removed per se is not important.=C2=A0</div><di=
v dir=3D"auto">Secondly removing rotational inertia is not always the best =
thing to do, if it was you can be assured that manufacturers would be all o=
ver it as a way to save money.</div><div dir=3D"auto">The rotational mass i=
s often designed in to protect the drive train, in particular the gearbox.<=
/div><div dir=3D"auto">Read this:=C2=A0 <a href=3D"https://www.netbug.net/b=
logmichael/2017/01/03/austin-healey-100-crank-failures/" target=3D"_blank" =
rel=3D"noreferrer">https://www.netbug.net/blogmichael/2017/01/03/austin-hea=
ley-100-crank-failures/</a></div><div dir=3D"auto">Thirdly lightening a fly=
wheel in of itself has very little effect on acceleration.=C2=A0 An engine =
with a lightened flywheel may accelerate to 6000 RPM 1 - 2 seconds more qui=
ckly but that doesn&#39;t necessarily equate to 1-2 seconds faster to 60 MP=
H. You may be able to shift marginally faster if the gearbox can stand the =
extra loads and the 4 to 5 pounds off vehicle weight is really only the equ=
ivalent of half a tank of fuel. (Who ever notices that their car accelerate=
s more quickly with a half full gas tank).</div><div dir=3D"auto"><br></div=
><div dir=3D"auto">Just sayin&#39;</div><div dir=3D"auto"><br></div><div di=
r=3D"auto">M</div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" cla=
ss=3D"gmail_attr">On Tue., Sep. 7, 2021, 4:17 p.m. Earl Kagna via Healeys, =
&lt;<a href=3D"mailto:[email-masked]" rel=3D"noreferrer noreferrer"=
 target=3D"_blank">[email-masked]</a>&gt; wrote:<br></div><blockquo=
te class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px =
solid rgb(204,204,204);padding-left:1ex"><div lang=3D"EN-US"><div><p class=
=3D"MsoNormal">I have Bill Bolton lightened flywheels in both my Healeys.=
=C2=A0 According to Kent Lambert, who took over Bills Healey business awhil=
e back, the stock weight (6 cyl) is 28.5 pounds, and Bills machining progra=
m reduced them to 24.<u></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0=
<u></u></p><p class=3D"MsoNormal">Both of my cars run just fine, no problem=
s at all in the 20 + or so years that I=E2=80=99ve had them installed.<u></=
u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"Mso=
Normal">Earl Kagna<u></u><u></u></p><p class=3D"MsoNormal">Victoria BC<u></=
u><u></u></p><p class=3D"MsoNormal">BJ8, BT7 tri-carb<u></u><u></u></p><p c=
lass=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal"><u></u>=
=C2=A0<u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><div style=
=3D"border-color:rgb(225,225,225) currentcolor currentcolor;border-style:so=
lid none none;border-width:1pt medium medium;padding:3pt 0in 0in"><p class=
=3D"MsoNormal"><b>From:</b> Healeys &lt;<a href=3D"mailto:healeys-bounces@a=
utox.team.net" rel=3D"noreferrer noreferrer noreferrer" target=3D"_blank">h=
[email-masked]</a>&gt; <b>On Behalf Of </b>richard mayor<br>=
<b>Sent:</b> Tuesday, September 7, 2021 10:23 AM<br><b>To:</b> healeys &lt;=
<a href=3D"mailto:[email-masked]" rel=3D"noreferrer noreferrer nore=
ferrer" target=3D"_blank">[email-masked]</a>&gt;<br><b>Subject:</b>=
 [Healeys] Lightened flywheels<u></u><u></u></p></div><p class=3D"MsoNormal=
"><u></u>=C2=A0<u></u></p><div><div><p class=3D"MsoNormal">6 cylinder flywh=
eels vary slightly but are all generally in the 29 pound range. Very aggres=
sive machine work can get the weight down to the 22-23 pound range. <u></u>=
<u></u></p></div><div><p class=3D"MsoNormal">How much weight you take off w=
ill affect your driving style. To maintain the feel of a stock Healey while=
 still improving the engines response, I suggest removing no more than 3 po=
unds. <u></u><u></u></p></div><div><p class=3D"MsoNormal"><u></u>=C2=A0<u><=
/u></p></div><div><p class=3D"MsoNormal">Richard =C2=A0 <u></u><u></u></p><=
/div></div></div><div id=3D"m_2206703498914175201gmail-m_-54513475677065413=
58m_4102748135953362380m_-1299543942381278781DAB4FAD8-2DD7-40BB-A1B8-4E2AA1=
F9FDF2"><br>
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[email-masked]

--===============4566272914651670782==--

---

From: richard mayor via Healeys <[email-masked]>
Date: Tue, 7 Sep 2021 15:22:01 -0700

--===============4724841948087578282==

--00000000000082b3dd05cb6f3264
Content-Transfer-Encoding: quoted-printable

I should add  one more thing for clarification.  The general rule of thumb
for comparing rotational weight to other weight (sprung or unsprung) is 10
to 1.  So, using that rule, 5 pounds of weight removed from rotational mass
would equal 50 pounds of fuel. As Michael pointed out.
But, it doesn't alway work out that way.  If you removed one pound from the
flywheel in the area where the bolt pattern is then the 10 to 1 rule may
apply.  But if you remove one pound of material out near the ring gear then
it is more like a factor of 30 to 1.  Any rotational weight removed further
away from its axis will have a much greater effect. And when you lighten a
Healey flywheel the place where the meat comes off first is out near the
ring gear.  Removing 3 or 4 pounds has a big effect on acceleration.

lures/
he
t
to
s

--00000000000082b3dd05cb6f3264
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div>I should add=C2=A0 one more thing for clarification.=
=C2=A0 The general rule of thumb for comparing rotational weight to other w=
eight (sprung or unsprung) is 10 to 1.=C2=A0 So, using that rule, 5 pounds =
of weight removed from rotational mass would equal 50 pounds of fuel. As Mi=
chael pointed out.</div><div>But, it doesn&#39;t alway work out that way.=
=C2=A0 If you removed one pound from the flywheel in the area where the bol=
t pattern is then the 10 to 1 rule may apply.=C2=A0 But if you remove one p=
ound of material out near the ring gear then it is more like a factor of 30=
 to 1.=C2=A0 Any rotational weight removed further away from its axis will =
have a much greater effect. And when you lighten a Healey flywheel the plac=
e where the meat comes off first is out near the ring gear.=C2=A0 Removing =
3 or 4 pounds has a big effect on acceleration.=C2=A0 <br></div></div><br><=
div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Tue, Sep=
 7, 2021 at 2:24 PM Michael Salter &lt;<a href=3D"mailto:michaelsalter@gmai=
l.com">[email-masked]</a>&gt; wrote:<br></div><blockquote class=3D=
"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(2=
04,204,204);padding-left:1ex"><div dir=3D"auto">The total mass of the flywh=
eel is not completely relevant insofar as engine moment of inertia is conce=
rned.<div dir=3D"auto">What is important is the mass removed times the squa=
re of the radius, so just how much weight has been removed per se is not im=
portant.=C2=A0</div><div dir=3D"auto">Secondly removing rotational inertia =
is not always the best thing to do, if it was you can be assured that manuf=
acturers would be all over it as a way to save money.</div><div dir=3D"auto=
">The rotational mass is often designed in to protect the drive train, in p=
articular the gearbox.</div><div dir=3D"auto">Read this:=C2=A0 <a href=3D"h=
ttps://www.netbug.net/blogmichael/2017/01/03/austin-healey-100-crank-failur=
es/" target=3D"_blank">https://www.netbug.net/blogmichael/2017/01/03/austin=
-healey-100-crank-failures/</a></div><div dir=3D"auto">Thirdly lightening a=
 flywheel in of itself has very little effect on acceleration.=C2=A0 An eng=
ine with a lightened flywheel may accelerate to 6000 RPM 1 - 2 seconds more=
 quickly but that doesn&#39;t necessarily equate to 1-2 seconds faster to 6=
0 MPH. You may be able to shift marginally faster if the gearbox can stand =
the extra loads and the 4 to 5 pounds off vehicle weight is really only the=
 equivalent of half a tank of fuel. (Who ever notices that their car accele=
rates more quickly with a half full gas tank).</div><div dir=3D"auto"><br><=
/div><div dir=3D"auto">Just sayin&#39;</div><div dir=3D"auto"><br></div><di=
v dir=3D"auto">M</div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr"=
 class=3D"gmail_attr">On Tue., Sep. 7, 2021, 4:17 p.m. Earl Kagna via Heale=
ys, &lt;<a href=3D"mailto:[email-masked]" rel=3D"noreferrer" target=
=3D"_blank">[email-masked]</a>&gt; wrote:<br></div><blockquote clas=
s=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid r=
gb(204,204,204);padding-left:1ex"><div style=3D"overflow-wrap: break-word;"=
 lang=3D"EN-US"><div><p class=3D"MsoNormal">I have Bill Bolton lightened fl=
ywheels in both my Healeys.=C2=A0 According to Kent Lambert, who took over =
Bills Healey business awhile back, the stock weight (6 cyl) is 28.5 pounds,=
 and Bills machining program reduced them to 24.<u></u><u></u></p><p class=
=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal">Both of my ca=
rs run just fine, no problems at all in the 20 + or so years that I=E2=80=
=99ve had them installed.<u></u><u></u></p><p class=3D"MsoNormal"><u></u>=
=C2=A0<u></u></p><p class=3D"MsoNormal">Earl Kagna<u></u><u></u></p><p clas=
s=3D"MsoNormal">Victoria BC<u></u><u></u></p><p class=3D"MsoNormal">BJ8, BT=
7 tri-carb<u></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>=
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal"><u></=
u>=C2=A0<u></u></p><div style=3D"border-color:rgb(225,225,225) currentcolor=
 currentcolor;border-style:solid none none;border-width:1pt medium medium;p=
adding:3pt 0in 0in"><p class=3D"MsoNormal"><b>From:</b> Healeys &lt;<a href=
=3D"mailto:[email-masked]" rel=3D"noreferrer noreferrer" ta=
rget=3D"_blank">[email-masked]</a>&gt; <b>On Behalf Of </b>=
richard mayor<br><b>Sent:</b> Tuesday, September 7, 2021 10:23 AM<br><b>To:=
</b> healeys &lt;<a href=3D"mailto:[email-masked]" rel=3D"noreferre=
r noreferrer" target=3D"_blank">[email-masked]</a>&gt;<br><b>Subjec=
t:</b> [Healeys] Lightened flywheels<u></u><u></u></p></div><p class=3D"Mso=
Normal"><u></u>=C2=A0<u></u></p><div><div><p class=3D"MsoNormal">6 cylinder=
 flywheels vary slightly but are all generally in the 29 pound range. Very =
aggressive machine work can get the weight down to the 22-23 pound range. <=
u></u><u></u></p></div><div><p class=3D"MsoNormal">How much weight you take=
 off will affect your driving style. To maintain the feel of a stock Healey=
 while still improving the engines response, I suggest removing no more tha=
n 3 pounds. <u></u><u></u></p></div><div><p class=3D"MsoNormal"><u></u>=C2=
=A0<u></u></p></div><div><p class=3D"MsoNormal">Richard =C2=A0 <u></u><u></=
u></p></div></div></div><div id=3D"gmail-m_-5451347567706541358m_4102748135=
953362380m_-1299543942381278781DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br>
<table style=3D"border-top:1px solid rgb(211,212,222)">
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-1299543942381278781_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2" width=3D"1" heig=
ht=3D"1" rel=3D"noreferrer noreferrer"> </a></div></div>___________________=
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get=3D"_blank">[email-masked]</a><br>
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il.com</a><br>
<br>
</blockquote></div>
</blockquote></div>

--00000000000082b3dd05cb6f3264--

--===============4724841948087578282==
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[email-masked]

--===============4724841948087578282==--

---

From: Michael Oritt via Healeys <[email-masked]>
Date: Tue, 7 Sep 2021 19:40:33 -0400

--===============0913840111137170084==

--00000000000009a7df05cb704b00
Content-Transfer-Encoding: quoted-printable

I hesitate to nitpick but as to the statement that *"4 to 5 pounds off
vehicle weight is really only the equivalent of half a tank of fuel"  *the =
last
time I looked an AH fuel tank holds about 12 gallons and since gasoline
weighs approximately 7.5 lbs per gallon half a tank weighs about 45
pounds.  The defense rests....

Best--Michael Oritt

a
ilures/
0
2
the
ht
o
k
 to
d
3
n
I
>>> <#m_-7376499558368236035_m_-5451347567706541358_m_4102748135953362380_m=
_-1299543942381278781_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
> http://autox.team.net/mailman/options/healeys/[email-masked]
>
>

--=20
Best--Michael

--00000000000009a7df05cb704b00
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div class=3D"gmail_default" style=3D""><span style=3D"col=
or:rgb(51,51,255)">I hesitate to nitpick but as to the statement that </spa=
n><i style=3D""><font color=3D"#0000ff">&quot;4 to 5 pounds off vehicle wei=
ght is really only the equivalent of half a tank of fuel&quot;=C2=A0</font>=
=C2=A0</i><font color=3D"#0000ff">the l</font><font color=3D"#3333ff">ast t=
ime I looked an AH fuel tank holds about 12 gallons and since gasoline weig=
hs approximately 7.5 lbs per gallon half a tank weighs about 45 pounds.=C2=
=A0=C2=A0</font><span style=3D"color:rgb(51,51,255)">The defense rests....<=
/span></div><div class=3D"gmail_default" style=3D""><font color=3D"#3333ff"=
><br></font></div><div class=3D"gmail_default" style=3D""><font color=3D"#3=
333ff">Best--Michael Oritt=C2=A0=C2=A0</font></div></div><br><div class=3D"=
gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Tue, Sep 7, 2021 at 6=
:00 PM richard mayor via Healeys &lt;<a href=3D"mailto:[email-masked]=
et">[email-masked]</a>&gt; wrote:<br></div><blockquote class=3D"gma=
il_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,2=
04,204);padding-left:1ex"><div dir=3D"ltr"><div>Michael, <br></div><div><br=
></div><div>Comparing the weight of fuel in the gas tank to rotational mass=
 is like comparing apples to bananas. <br></div><div><br></div><div>Richard=
<br></div><div><br></div></div><br><div class=3D"gmail_quote"><div dir=3D"l=
tr" class=3D"gmail_attr">On Tue, Sep 7, 2021 at 2:24 PM Michael Salter &lt;=
<a href=3D"mailto:[email-masked]" target=3D"_blank">michaelsalter@=
gmail.com</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=
=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding=
-left:1ex"><div dir=3D"auto">The total mass of the flywheel is not complete=
ly relevant insofar as engine moment of inertia is concerned.<div dir=3D"au=
to">What is important is the mass removed times the square of the radius, s=
o just how much weight has been removed per se is not important.=C2=A0</div=
><div dir=3D"auto">Secondly removing rotational inertia is not always the b=
est thing to do, if it was you can be assured that manufacturers would be a=
ll over it as a way to save money.</div><div dir=3D"auto">The rotational ma=
ss is often designed in to protect the drive train, in particular the gearb=
ox.</div><div dir=3D"auto">Read this:=C2=A0 <a href=3D"https://www.netbug.n=
et/blogmichael/2017/01/03/austin-healey-100-crank-failures/" target=3D"_bla=
nk">https://www.netbug.net/blogmichael/2017/01/03/austin-healey-100-crank-f=
ailures/</a></div><div dir=3D"auto">Thirdly lightening a flywheel in of its=
elf has very little effect on acceleration.=C2=A0 An engine with a lightene=
d flywheel may accelerate to 6000 RPM 1 - 2 seconds more quickly but that d=
oesn&#39;t necessarily equate to 1-2 seconds faster to 60 MPH. You may be a=
ble to shift marginally faster if the gearbox can stand the extra loads and=
 the 4 to 5 pounds off vehicle weight is really only the equivalent of half=
 a tank of fuel. (Who ever notices that their car accelerates more quickly =
with a half full gas tank).</div><div dir=3D"auto"><br></div><div dir=3D"au=
to">Just sayin&#39;</div><div dir=3D"auto"><br></div><div dir=3D"auto">M</d=
iv></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_att=
r">On Tue., Sep. 7, 2021, 4:17 p.m. Earl Kagna via Healeys, &lt;<a href=3D"=
mailto:[email-masked]" rel=3D"noreferrer" target=3D"_blank">healeys=
@autox.team.net</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" s=
tyle=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);pad=
ding-left:1ex"><div lang=3D"EN-US"><div><p class=3D"MsoNormal">I have Bill =
Bolton lightened flywheels in both my Healeys.=C2=A0 According to Kent Lamb=
ert, who took over Bills Healey business awhile back, the stock weight (6 c=
yl) is 28.5 pounds, and Bills machining program reduced them to 24.<u></u><=
u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNor=
mal">Both of my cars run just fine, no problems at all in the 20 + or so ye=
ars that I=E2=80=99ve had them installed.<u></u><u></u></p><p class=3D"MsoN=
ormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal">Earl Kagna<u></u><u><=
/u></p><p class=3D"MsoNormal">Victoria BC<u></u><u></u></p><p class=3D"MsoN=
ormal">BJ8, BT7 tri-carb<u></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=
=A0<u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"Ms=
oNormal"><u></u>=C2=A0<u></u></p><div style=3D"border-color:rgb(225,225,225=
) currentcolor currentcolor;border-style:solid none none;border-width:1pt m=
edium medium;padding:3pt 0in 0in"><p class=3D"MsoNormal"><b>From:</b> Heale=
ys &lt;<a href=3D"mailto:[email-masked]" rel=3D"noreferrer =
noreferrer" target=3D"_blank">[email-masked]</a>&gt; <b>On =
Behalf Of </b>richard mayor<br><b>Sent:</b> Tuesday, September 7, 2021 10:2=
3 AM<br><b>To:</b> healeys &lt;<a href=3D"mailto:[email-masked]" re=
l=3D"noreferrer noreferrer" target=3D"_blank">[email-masked]</a>&gt=
;<br><b>Subject:</b> [Healeys] Lightened flywheels<u></u><u></u></p></div><=
p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><div><div><p class=3D"MsoNorm=
al">6 cylinder flywheels vary slightly but are all generally in the 29 poun=
d range. Very aggressive machine work can get the weight down to the 22-23 =
pound range. <u></u><u></u></p></div><div><p class=3D"MsoNormal">How much w=
eight you take off will affect your driving style. To maintain the feel of =
a stock Healey while still improving the engines response, I suggest removi=
ng no more than 3 pounds. <u></u><u></u></p></div><div><p class=3D"MsoNorma=
l"><u></u>=C2=A0<u></u></p></div><div><p class=3D"MsoNormal">Richard =C2=A0=
 <u></u><u></u></p></div></div></div><div id=3D"gmail-m_-737649955836823603=
5gmail-m_-5451347567706541358m_4102748135953362380m_-1299543942381278781DAB=
4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br>
<table style=3D"border-top:1px solid rgb(211,212,222)">
	<tbody><tr>
        <td style=3D"width:55px;padding-top:13px"><a href=3D"https://www.av=
ast.com/sig-email?utm_medium=3Demail&amp;utm_source=3Dlink&amp;utm_campaign=
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3px;font-family:Arial,Helvetica,sans-serif;line-height:18px">Virus-free. <a=
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ww.avast.com</a>
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</tbody></table><a href=3D"#m_-7376499558368236035_m_-5451347567706541358_m=
_4102748135953362380_m_-1299543942381278781_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F=
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</blockquote></div>
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Archive: <a href=3D"http://www.team.net/pipermail/healeys" rel=3D"noreferre=
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utox.team.net/archive</a><br>
<br>
<a href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]=
eam.net</a><br>
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<br>
</blockquote></div><br clear=3D"all"><div><br></div>-- <br><div dir=3D"ltr"=
 class=3D"gmail_signature"><font color=3D"#3333ff">Best--Michael</font></di=
v>

--00000000000009a7df05cb704b00--

--===============0913840111137170084==
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[email-masked]

--===============0913840111137170084==--

---

From: llennep--- via Healeys <[email-masked]>
Date: Tue, 7 Sep 2021 23:52:42 +0000 (UTC)

--===============0889549644529990277==
	boundary="----=_Part_3863390_1077540266.1631058762374"

------=_Part_3863390_1077540266.1631058762374
Content-Transfer-Encoding: quoted-printable

Nitpicking me here . . .. =C2=A0.. .gallon of gasoline weighs a tad over 6 =
lbs:)

-----Original Message-----
From: Michael Oritt via Healeys <[email-masked]>
To: richard mayor <[email-masked]>
Cc: healeys <[email-masked]>
Sent: Tue, Sep 7, 2021 7:40 pm
Subject: Re: [Healeys] Lightened flywheels

I hesitate to nitpick but as to the statement that "4 to 5 pounds off vehic=
le weight is really only the equivalent of half a tank of fuel"=C2=A0=C2=A0=
the last time I looked an AH fuel tank holds about 12 gallons and since gas=
oline weighs approximately 7.5 lbs per gallon half a tank weighs about 45 p=
ounds.=C2=A0=C2=A0The defense rests....
Best--Michael Oritt=C2=A0=C2=A0
On Tue, Sep 7, 2021 at 6:00 PM richard mayor via Healeys <[email-masked]=
m.net> wrote:

Michael,=20

Comparing the weight of fuel in the gas tank to rotational mass is like com=
paring apples to bananas.=20

Richard

On Tue, Sep 7, 2021 at 2:24 PM Michael Salter <[email-masked]> wro=
te:

The total mass of the flywheel is not completely relevant insofar as engine=
 moment of inertia is concerned.What is important is the mass removed times=
 the square of the radius, so just how much weight has been removed per se =
is not important.=C2=A0Secondly removing rotational inertia is not always t=
he best thing to do, if it was you can be assured that manufacturers would =
be all over it as a way to save money.The rotational mass is often designed=
 in to protect the drive train, in particular the gearbox.Read this:=C2=A0 =
https://www.netbug.net/blogmichael/2017/01/03/austin-healey-100-crank-failu=
res/Thirdly lightening a flywheel in of itself has very little effect on ac=
celeration.=C2=A0 An engine with a lightened flywheel may accelerate to 600=
0 RPM 1 - 2 seconds more quickly but that doesn't necessarily equate to 1-2=
 seconds faster to 60 MPH. You may be able to shift marginally faster if th=
e gearbox can stand the extra loads and the 4 to 5 pounds off vehicle weigh=
t is really only the equivalent of half a tank of fuel. (Who ever notices t=
hat their car accelerates more quickly with a half full gas tank).
Just sayin'
M
On Tue., Sep. 7, 2021, 4:17 p.m. Earl Kagna via Healeys, <[email-masked]=
m.net> wrote:

I have Bill Bolton lightened flywheels in both my Healeys.=C2=A0 According =
to Kent Lambert, who took over Bills Healey business awhile back, the stock=
 weight (6 cyl) is 28.5 pounds, and Bills machining program reduced them to=
 24.=C2=A0Both of my cars run just fine, no problems at all in the 20 + or =
so years that I=E2=80=99ve had them installed.=C2=A0Earl KagnaVictoria BCBJ=
8, BT7 tri-carb=C2=A0=C2=A0=C2=A0From: Healeys <[email-masked].=
net> On Behalf Of richard mayor
Sent: Tuesday, September 7, 2021 10:23 AM
To: healeys <[email-masked]>
Subject: [Healeys] Lightened flywheels=C2=A06 cylinder flywheels vary sligh=
tly but are all generally in the 29 pound range. Very aggressive machine wo=
rk can get the weight down to the 22-23 pound range. How much weight you ta=
ke off will affect your driving style. To maintain the feel of a stock Heal=
ey while still improving the engines response, I suggest removing no more t=
han 3 pounds. =C2=A0Richard =C2=A0=20

|  | Virus-free. www.avast.com  |

Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archiv=
e

[email-masked]

[email-masked]

Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archiv=
e

[email-masked]

[email-masked]

--=20
Best--Michael_______________________________________________

Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archiv=
e

[email-masked]

erizon.net

------=_Part_3863390_1077540266.1631058762374
Content-Transfer-Encoding: quoted-printable

<div style=3D"color:black;font: 10pt Arial, Helvetica, sans-serif;">Nitpick=
ing me here . . .. &nbsp;.. .
<div>gallon of gasoline weighs a tad over 6 lbs</div>

<div>:)<br>
<br>
<br>

<div style=3D"font-family:helvetica,arial;font-size:10pt;color:black"><font=
 size=3D"2">-----Original Message-----<br>
From: Michael Oritt via Healeys &lt;[email-masked]&gt;<br>
To: richard mayor &lt;[email-masked]&gt;<br>
Cc: healeys &lt;[email-masked]&gt;<br>
Sent: Tue, Sep 7, 2021 7:40 pm<br>
Subject: Re: [Healeys] Lightened flywheels<br>
<br>

<div id=3D"yiv1063698908">
<div>
<div dir=3D"ltr">
<div class=3D"yiv1063698908gmail_default" style=3D""><span style=3D"color:r=
gb(51,51,255);">I hesitate to nitpick but as to the statement that </span><=
i style=3D""><font color=3D"#0000ff">"4 to 5 pounds off vehicle weight is r=
eally only the equivalent of half a tank of fuel"&nbsp;</font>&nbsp;</i><fo=
nt color=3D"#0000ff">the l</font><font color=3D"#3333ff">ast time I looked =
an AH fuel tank holds about 12 gallons and since gasoline weighs approximat=
ely 7.5 lbs per gallon half a tank weighs about 45 pounds.&nbsp;&nbsp;</fon=
t><span style=3D"color:rgb(51,51,255);">The defense rests....</span></div>

<div class=3D"yiv1063698908gmail_default" style=3D""><font color=3D"#3333ff=
"><br clear=3D"none"></font></div>

<div class=3D"yiv1063698908gmail_default" style=3D""><font color=3D"#3333ff=
">Best--Michael Oritt&nbsp;&nbsp;</font></div>
</div>
<br clear=3D"none">
<div class=3D"yiv1063698908gmail_quote">
<div class=3D"yiv1063698908yqt2783158349" id=3D"yiv1063698908yqtfd54840">
<div class=3D"yiv1063698908gmail_attr" dir=3D"ltr">On Tue, Sep 7, 2021 at 6=
:00 PM richard mayor via Healeys &lt;<a shape=3D"rect" ymailto=3D"mailto:he=
[email-masked]" href=3D"mailto:[email-masked]" target=3D"_bla=
nk" rel=3D"noreferrer noopener">[email-masked]</a>&gt; wrote:<br cl=
ear=3D"none"></div>
</div>
<blockquote class=3D"yiv1063698908gmail_quote" style=3D"margin:0px 0px 0px =
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex;">
<div class=3D"yiv1063698908yqt2783158349" id=3D"yiv1063698908yqtfd20741">
<div dir=3D"ltr">
<div>Michael, <br clear=3D"none"></div>

<div><br clear=3D"none"></div>

<div>Comparing the weight of fuel in the gas tank to rotational mass is lik=
e comparing apples to bananas. <br clear=3D"none"></div>

<div><br clear=3D"none"></div>

<div>Richard<br clear=3D"none"></div>

<div><br clear=3D"none"></div>
</div>
<br clear=3D"none">
<div class=3D"yiv1063698908gmail_quote">
<div class=3D"yiv1063698908gmail_attr" dir=3D"ltr">On Tue, Sep 7, 2021 at 2=
:24 PM Michael Salter &lt;<a shape=3D"rect" ymailto=3D"mailto:michaelsalter=
@gmail.com" href=3D"mailto:[email-masked]" target=3D"_blank" rel=
=3D"noreferrer noopener">[email-masked]</a>&gt; wrote:<br clear=3D=
"none"></div>
<blockquote class=3D"yiv1063698908gmail_quote" style=3D"margin:0px 0px 0px =
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex;">
<div>The total mass of the flywheel is not completely relevant insofar as e=
ngine moment of inertia is concerned.
<div>What is important is the mass removed times the square of the radius, =
so just how much weight has been removed per se is not important.&nbsp;</di=
v>

<div>Secondly removing rotational inertia is not always the best thing to d=
o, if it was you can be assured that manufacturers would be all over it as =
a way to save money.</div>

<div>The rotational mass is often designed in to protect the drive train, i=
n particular the gearbox.</div>

<div>Read this:&nbsp; <a shape=3D"rect" href=3D"https://www.netbug.net/blog=
michael/2017/01/03/austin-healey-100-crank-failures/" target=3D"_blank" rel=
=3D"noreferrer noopener">https://www.netbug.net/blogmichael/2017/01/03/aust=
in-healey-100-crank-failures/</a></div>

<div>Thirdly lightening a flywheel in of itself has very little effect on a=
cceleration.&nbsp; An engine with a lightened flywheel may accelerate to 60=
00 RPM 1 - 2 seconds more quickly but that doesn't necessarily equate to 1-=
2 seconds faster to 60 MPH. You may be able to shift marginally faster if t=
he gearbox can stand the extra loads and the 4 to 5 pounds off vehicle weig=
ht is really only the equivalent of half a tank of fuel. (Who ever notices =
that their car accelerates more quickly with a half full gas tank).</div>

<div><br clear=3D"none"></div>

<div>Just sayin'</div>

<div><br clear=3D"none"></div>

<div>M</div>
</div>
<br clear=3D"none">
<div class=3D"yiv1063698908gmail_quote">
<div class=3D"yiv1063698908gmail_attr" dir=3D"ltr">On Tue., Sep. 7, 2021, 4=
:17 p.m. Earl Kagna via Healeys, &lt;<a shape=3D"rect" ymailto=3D"mailto:he=
[email-masked]" href=3D"mailto:[email-masked]" target=3D"_bla=
nk" rel=3D"noreferrer noopener">[email-masked]</a>&gt; wrote:<br cl=
ear=3D"none"></div>
<blockquote class=3D"yiv1063698908gmail_quote" style=3D"margin:0px 0px 0px =
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex;">
<div lang=3D"EN-US">
<div>
<div class=3D"yiv1063698908MsoNormal">I have Bill Bolton lightened flywheel=
s in both my Healeys.&nbsp; According to Kent Lambert, who took over Bills =
Healey business awhile back, the stock weight (6 cyl) is 28.5 pounds, and B=
ills machining program reduced them to 24.<u></u><u></u></div>

<div class=3D"yiv1063698908MsoNormal"><u></u>&nbsp;<u></u></div>

<div class=3D"yiv1063698908MsoNormal">Both of my cars run just fine, no pro=
blems at all in the 20 + or so years that I=E2=80=99ve had them installed.<=
u></u><u></u></div>

<div class=3D"yiv1063698908MsoNormal"><u></u>&nbsp;<u></u></div>

<div class=3D"yiv1063698908MsoNormal">Earl Kagna<u></u><u></u></div>

<div class=3D"yiv1063698908MsoNormal">Victoria BC<u></u><u></u></div>

<div class=3D"yiv1063698908MsoNormal">BJ8, BT7 tri-carb<u></u><u></u></div>

<div class=3D"yiv1063698908MsoNormal"><u></u>&nbsp;<u></u></div>

<div class=3D"yiv1063698908MsoNormal"><u></u>&nbsp;<u></u></div>

<div class=3D"yiv1063698908MsoNormal"><u></u>&nbsp;<u></u></div>

<div style=3D"border-color:rgb(225,225,225) currentcolor currentcolor;borde=
r-style:solid none none;border-width:1pt medium medium;padding:3pt 0in 0in;=
">
<div class=3D"yiv1063698908MsoNormal"><b>From:</b> Healeys &lt;<a shape=3D"=
rect" ymailto=3D"mailto:[email-masked]" href=3D"mailto:heal=
[email-masked]" target=3D"_blank" rel=3D"noreferrer noopener">h=
[email-masked]</a>&gt; <b>On Behalf Of </b>richard mayor<br =
clear=3D"none"><b>Sent:</b> Tuesday, September 7, 2021 10:23 AM<br clear=3D=
"none"><b>To:</b> healeys &lt;<a shape=3D"rect" ymailto=3D"mailto:healeys@a=
utox.team.net" href=3D"mailto:[email-masked]" target=3D"_blank" rel=
=3D"noreferrer noopener">[email-masked]</a>&gt;<br clear=3D"none"><=
b>Subject:</b> [Healeys] Lightened flywheels<u></u><u></u></div>
</div>

<div class=3D"yiv1063698908MsoNormal"><u></u>&nbsp;<u></u></div>

<div>
<div>
<div class=3D"yiv1063698908MsoNormal">6 cylinder flywheels vary slightly bu=
t are all generally in the 29 pound range. Very aggressive machine work can=
 get the weight down to the 22-23 pound range. <u></u><u></u></div>
</div>

<div>
<div class=3D"yiv1063698908MsoNormal">How much weight you take off will aff=
ect your driving style. To maintain the feel of a stock Healey while still =
improving the engines response, I suggest removing no more than 3 pounds. <=
u></u><u></u></div>
</div>

<div>
<div class=3D"yiv1063698908MsoNormal"><u></u>&nbsp;<u></u></div>
</div>

<div>
<div class=3D"yiv1063698908MsoNormal">Richard &nbsp; <u></u><u></u></div>
</div>
</div>
</div>

<div id=3D"yiv1063698908gmail-m_-7376499558368236035gmail-m_-54513475677065=
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<div><br clear=3D"none"></div>
-- <br clear=3D"none">
<div class=3D"yiv1063698908gmail_signature" dir=3D"ltr"><font color=3D"#333=
3ff">Best--Michael</font></div>

<div class=3D"yiv1063698908yqt2783158349" id=3D"yiv1063698908yqtfd65710">
</div>
</div>
</div>

<div class=3D"yqt2783158349" id=3D"yqtfd51460">____________________________=
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------=_Part_3863390_1077540266.1631058762374--

--===============0889549644529990277==
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

[email-masked]

--===============0889549644529990277==--

---

From: Michael Oritt <[email-masked]>
Date: Tue, 7 Sep 2021 20:39:37 -0400

--===============1341357524478199479==

--00000000000060b33305cb711e07
Content-Transfer-Encoding: quoted-printable

Keith--

Right you are (and wrong I am) but 6 x 6.3=3D20+/-which is still more than
5...

Best--Michael Oritt

On Tue, Sep 7, 2021 at 7:53 PM llennep--- via Healeys <
[email-masked]> wrote:

> Nitpicking me here . . ..  .. .
> gallon of gasoline weighs a tad over 6 lbs
> :)
>
>
> vehicle weight is really only the equivalent of half a tank of fuel"  *th=
e
> last time I looked an AH fuel tank holds about 12 gallons and since
> gasoline weighs approximately 7.5 lbs per gallon half a tank weighs about
> 45 pounds.  The defense rests....
>
> Best--Michael Oritt
>
lures/
he
t
o
> <https://mail.aol.com/webmail-std/en-us/suite#m_-7376499558368236035_m_-5=
451347567706541358_m_4102748135953362380_m_-1299543942381278781_DAB4FAD8-2D=
D7-40BB-A1B8-4E2AA1F9FDF2>
> http://autox.team.net/mailman/options/healeys/[email-masked]
>

--=20
Best--Michael

--00000000000060b33305cb711e07
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"color:#3333ff">Keith=
--</div><div class=3D"gmail_default" style=3D"color:#3333ff"><br></div><div=
 class=3D"gmail_default" style=3D"color:#3333ff">Right you are (and wrong I=
 am) but 6 x 6.3=3D20+/-which is still more than 5...</div><div class=3D"gm=
ail_default" style=3D"color:#3333ff"><br></div><div class=3D"gmail_default"=
 style=3D"color:#3333ff">Best--Michael Oritt</div><div class=3D"gmail_defau=
lt" style=3D"color:#3333ff"><br></div><div class=3D"gmail_default" style=3D=
"color:#3333ff"><br></div></div><br><div class=3D"gmail_quote"><div dir=3D"=
ltr" class=3D"gmail_attr">On Tue, Sep 7, 2021 at 7:53 PM llennep--- via Hea=
leys &lt;<a href=3D"mailto:[email-masked]">[email-masked]</=
a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0p=
x 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div style=3D"color:black;font:10pt Arial,Helvetica,sans-serif">Nitpicking =
me here . . .. =C2=A0.. .
<div>gallon of gasoline weighs a tad over 6 lbs</div>

<div>:)<br>
<br>
<br>

<div style=3D"font-family:helvetica,arial;font-size:10pt;color:black"><font=
 size=3D"2">-----Original Message-----<br>
From: Michael Oritt via Healeys &lt;<a href=3D"mailto:[email-masked]=
t" target=3D"_blank">[email-masked]</a>&gt;<br>
To: richard mayor &lt;<a href=3D"mailto:[email-masked]" target=3D"_b=
lank">[email-masked]</a>&gt;<br>
Cc: healeys &lt;<a href=3D"mailto:[email-masked]" target=3D"_blank"=
>[email-masked]</a>&gt;<br>

<div id=3D"gmail-m_-6446079295951788294yiv1063698908">
<div>
<div dir=3D"ltr">
<div><span style=3D"color:rgb(51,51,255)">I hesitate to nitpick but as to t=
he statement that </span><i><font color=3D"#0000ff">&quot;4 to 5 pounds off=
 vehicle weight is really only the equivalent of half a tank of fuel&quot;=
=C2=A0</font>=C2=A0</i><font color=3D"#0000ff">the l</font><font color=3D"#=
3333ff">ast time I looked an AH fuel tank holds about 12 gallons and since =
gasoline weighs approximately 7.5 lbs per gallon half a tank weighs about 4=
5 pounds.=C2=A0=C2=A0</font><span style=3D"color:rgb(51,51,255)">The defens=
e rests....</span></div>

<div><font color=3D"#3333ff"><br clear=3D"none"></font></div>

<div><font color=3D"#3333ff">Best--Michael Oritt=C2=A0=C2=A0</font></div>
</div>
<br clear=3D"none">
<div>
<div id=3D"gmail-m_-6446079295951788294yiv1063698908yqtfd54840">
<div dir=3D"ltr">On Tue, Sep 7, 2021 at 6:00 PM richard mayor via Healeys &=
lt;<a shape=3D"rect" href=3D"mailto:[email-masked]" rel=3D"noreferr=
er noopener" target=3D"_blank">[email-masked]</a>&gt; wrote:<br cle=
ar=3D"none"></div>
</div>
<blockquote style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204=
,204,204);padding-left:1ex">
<div id=3D"gmail-m_-6446079295951788294yiv1063698908yqtfd20741">
<div dir=3D"ltr">
<div>Michael, <br clear=3D"none"></div>

<div><br clear=3D"none"></div>
</div>
<br clear=3D"none">
<div>
<div dir=3D"ltr">On Tue, Sep 7, 2021 at 2:24 PM Michael Salter &lt;<a shape=
=3D"rect" href=3D"mailto:[email-masked]" rel=3D"noreferrer noopene=
r" target=3D"_blank">[email-masked]</a>&gt; wrote:<br clear=3D"non=
e"></div>
<blockquote style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204=
,204,204);padding-left:1ex">
<div>The total mass of the flywheel is not completely relevant insofar as e=
ngine moment of inertia is concerned.
<div>What is important is the mass removed times the square of the radius, =
so just how much weight has been removed per se is not important.=C2=A0</di=
v>

<div>Read this:=C2=A0 <a shape=3D"rect" href=3D"https://www.netbug.net/blog=
michael/2017/01/03/austin-healey-100-crank-failures/" rel=3D"noreferrer noo=
pener" target=3D"_blank">https://www.netbug.net/blogmichael/2017/01/03/aust=
in-healey-100-crank-failures/</a></div>

<div>Thirdly lightening a flywheel in of itself has very little effect on a=
cceleration.=C2=A0 An engine with a lightened flywheel may accelerate to 60=
00 RPM 1 - 2 seconds more quickly but that doesn&#39;t necessarily equate t=
o 1-2 seconds faster to 60 MPH. You may be able to shift marginally faster =
if the gearbox can stand the extra loads and the 4 to 5 pounds off vehicle =
weight is really only the equivalent of half a tank of fuel. (Who ever noti=
ces that their car accelerates more quickly with a half full gas tank).</di=
v>

<div>Just sayin&#39;</div>

<div>M</div>
</div>
<br clear=3D"none">
<div>
<div dir=3D"ltr">On Tue., Sep. 7, 2021, 4:17 p.m. Earl Kagna via Healeys, &=
lt;<a shape=3D"rect" href=3D"mailto:[email-masked]" rel=3D"noreferr=
er noopener" target=3D"_blank">[email-masked]</a>&gt; wrote:<br cle=
ar=3D"none"></div>
<blockquote style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204=
,204,204);padding-left:1ex">
<div lang=3D"EN-US">
<div>
<div>I have Bill Bolton lightened flywheels in both my Healeys.=C2=A0 Accor=
ding to Kent Lambert, who took over Bills Healey business awhile back, the =
stock weight (6 cyl) is 28.5 pounds, and Bills machining program reduced th=
em to 24.<u></u><u></u></div>

<div><u></u>=C2=A0<u></u></div>

<div>Both of my cars run just fine, no problems at all in the 20 + or so ye=
ars that I=E2=80=99ve had them installed.<u></u><u></u></div>

<div><u></u>=C2=A0<u></u></div>

<div>Earl Kagna<u></u><u></u></div>

<div>Victoria BC<u></u><u></u></div>

<div>BJ8, BT7 tri-carb<u></u><u></u></div>

<div><u></u>=C2=A0<u></u></div>

<div><u></u>=C2=A0<u></u></div>

<div><u></u>=C2=A0<u></u></div>

<div style=3D"border-color:rgb(225,225,225) currentcolor currentcolor;borde=
r-style:solid none none;border-width:1pt medium medium;padding:3pt 0in 0in"=
<div><b>From:</b> Healeys &lt;<a shape=3D"rect" href=3D"mailto:healeys-boun=
[email-masked]" rel=3D"noreferrer noopener" target=3D"_blank">healeys-b=
[email-masked]</a>&gt; <b>On Behalf Of </b>richard mayor<br clear=3D=
"none"><b>Sent:</b> Tuesday, September 7, 2021 10:23 AM<br clear=3D"none"><=
b>To:</b> healeys &lt;<a shape=3D"rect" href=3D"mailto:[email-masked]=
et" rel=3D"noreferrer noopener" target=3D"_blank">[email-masked]</a=
>&gt;<br clear=3D"none"><b>Subject:</b> [Healeys] Lightened flywheels<u></u=
><u></u></div>
</div>

<div><u></u>=C2=A0<u></u></div>

<div>
<div>
<div>6 cylinder flywheels vary slightly but are all generally in the 29 pou=
nd range. Very aggressive machine work can get the weight down to the 22-23=
 pound range. <u></u><u></u></div>
</div>

<div>
<div>How much weight you take off will affect your driving style. To mainta=
in the feel of a stock Healey while still improving the engines response, I=
 suggest removing no more than 3 pounds. <u></u><u></u></div>
</div>

<div>
<div><u></u>=C2=A0<u></u></div>
</div>

<div>
<div>Richard =C2=A0 <u></u><u></u></div>
</div>
</div>
</div>

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<div dir=3D"ltr"><font color=3D"#3333ff">Best--Michael</font></div>

<div id=3D"gmail-m_-6446079295951788294yiv1063698908yqtfd65710">
</div>
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--00000000000060b33305cb711e07--

--===============1341357524478199479==
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

[email-masked]

--===============1341357524478199479==--

---

From: Bob Haskell via Healeys <[email-masked]>
Date: Tue, 7 Sep 2021 21:00:34 -0400

--===============4090929201280949801==
Content-Language: en-US
Content-Transfer-Encoding: 8bit

<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
  <body>
    <font size="-1"><font face="Courier 10 Pitch">More nitpicking: gas
        tank capacity is 12 imperial gallons or 14.4 US gallons. :)</font></font><br>
    <pre class="moz-signature" cols="72">Cheers,

Bob Haskell
Austin Healey 3000 BN7/BT7 registrar</pre>
    <div class="moz-cite-prefix">On 9/7/21 8:39 PM, Michael Oritt wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAPTa0B5QV4R=[email-masked]">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr">
        <div class="gmail_default" style="color:#3333ff">Keith--</div>
        <div class="gmail_default" style="color:#3333ff"><br>
        </div>
        <div class="gmail_default" style="color:#3333ff">Right you are
          (and wrong I am) but 6 x 6.3=20+/-which is still more than
          5...</div>
        <div class="gmail_default" style="color:#3333ff"><br>
        </div>
        <div class="gmail_default" style="color:#3333ff">Best--Michael
          Oritt</div>
        <div class="gmail_default" style="color:#3333ff"><br>
        </div>
        <div class="gmail_default" style="color:#3333ff"><br>
        </div>
      </div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">On Tue, Sep 7, 2021 at 7:53 PM
          llennep--- via Healeys &lt;<a
            href="mailto:[email-masked]" moz-do-not-send="true">[email-masked]</a>&gt;
          wrote:<br>
        </div>
        <blockquote class="gmail_quote" style="margin:0px 0px 0px
          0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
          <div style="color:black;font:10pt Arial,Helvetica,sans-serif">Nitpicking
            me here . . ..  .. .
            <div>gallon of gasoline weighs a tad over 6 lbs</div>
            <div>:)<br>
              <br>
              <br>
              <div
                style="font-family:helvetica,arial;font-size:10pt;color:black"><font
                  size="2">-----Original Message-----<br>
                  From: Michael Oritt via Healeys &lt;<a
                    href="mailto:[email-masked]" target="_blank"
                    moz-do-not-send="true">[email-masked]</a>&gt;<br>
                  To: richard mayor &lt;<a
                    href="mailto:[email-masked]" target="_blank"
                    moz-do-not-send="true">[email-masked]</a>&gt;<br>
                  Cc: healeys &lt;<a
                    href="mailto:[email-masked]" target="_blank"
                    moz-do-not-send="true">[email-masked]</a>&gt;<br>
                  Sent: Tue, Sep 7, 2021 7:40 pm<br>
                  Subject: Re: [Healeys] Lightened flywheels<br>
                  <br>
                  <div id="gmail-m_-6446079295951788294yiv1063698908">
                    <div>
                      <div dir="ltr">
                        <div><span style="color:rgb(51,51,255)">I
                            hesitate to nitpick but as to the statement
                            that </span><i><font color="#0000ff">"4 to
                              5 pounds off vehicle weight is really only
                              the equivalent of half a tank of fuel" </font> </i><font
                            color="#0000ff">the l</font><font
                            color="#3333ff">ast time I looked an AH fuel
                            tank holds about 12 gallons and since
                            gasoline weighs approximately 7.5 lbs per
                            gallon half a tank weighs about 45 pounds.  </font><span
                            style="color:rgb(51,51,255)">The defense
                            rests....</span></div>
                        <div><font color="#3333ff"><br clear="none">
                          </font></div>
                        <div><font color="#3333ff">Best--Michael Oritt  </font></div>
                      </div>
                      <br clear="none">
                      <div>
                        <div
                          id="gmail-m_-6446079295951788294yiv1063698908yqtfd54840">
                          <div dir="ltr">On Tue, Sep 7, 2021 at 6:00 PM
                            richard mayor via Healeys &lt;<a
                              shape="rect"
                              href="mailto:[email-masked]"
                              rel="noreferrer noopener" target="_blank"
                              moz-do-not-send="true">[email-masked]</a>&gt;
                            wrote:<br clear="none">
                          </div>
                        </div>
                        <blockquote style="margin:0px 0px 0px
                          0.8ex;border-left:1px solid
                          rgb(204,204,204);padding-left:1ex">
                          <div
                            id="gmail-m_-6446079295951788294yiv1063698908yqtfd20741">
                            <div dir="ltr">
                              <div>Michael, <br clear="none">
                              </div>
                              <div><br clear="none">
                              </div>
                              <div>Comparing the weight of fuel in the
                                gas tank to rotational mass is like
                                comparing apples to bananas. <br
                                  clear="none">
                              </div>
                              <div><br clear="none">
                              </div>
                              <div>Richard<br clear="none">
                              </div>
                              <div><br clear="none">
                              </div>
                            </div>
                            <br clear="none">
                            <div>
                              <div dir="ltr">On Tue, Sep 7, 2021 at 2:24
                                PM Michael Salter &lt;<a shape="rect"
                                  href="mailto:[email-masked]"
                                  rel="noreferrer noopener"
                                  target="_blank" moz-do-not-send="true">[email-masked]</a>&gt;
                                wrote:<br clear="none">
                              </div>
                              <blockquote style="margin:0px 0px 0px
                                0.8ex;border-left:1px solid
                                rgb(204,204,204);padding-left:1ex">
                                <div>The total mass of the flywheel is
                                  not completely relevant insofar as
                                  engine moment of inertia is concerned.
                                  <div>What is important is the mass
                                    removed times the square of the
                                    radius, so just how much weight has
                                    been removed per se is not
                                    important. </div>
                                  <div>Secondly removing rotational
                                    inertia is not always the best thing
                                    to do, if it was you can be assured
                                    that manufacturers would be all over
                                    it as a way to save money.</div>
                                  <div>The rotational mass is often
                                    designed in to protect the drive
                                    train, in particular the gearbox.</div>
                                  <div>Read this:  <a shape="rect"
href="https://www.netbug.net/blogmichael/2017/01/03/austin-healey-100-crank-failures/"
                                      rel="noreferrer noopener"
                                      target="_blank"
                                      moz-do-not-send="true">https://www.netbug.net/blogmichael/2017/01/03/austin-healey-100-crank-failures/</a></div>
                                  <div>Thirdly lightening a flywheel in
                                    of itself has very little effect on
                                    acceleration.  An engine with a
                                    lightened flywheel may accelerate to
                                    6000 RPM 1 - 2 seconds more quickly
                                    but that doesn't necessarily equate
                                    to 1-2 seconds faster to 60 MPH. You
                                    may be able to shift marginally
                                    faster if the gearbox can stand the
                                    extra loads and the 4 to 5 pounds
                                    off vehicle weight is really only
                                    the equivalent of half a tank of
                                    fuel. (Who ever notices that their
                                    car accelerates more quickly with a
                                    half full gas tank).</div>
                                  <div><br clear="none">
                                  </div>
                                  <div>Just sayin'</div>
                                  <div><br clear="none">
                                  </div>
                                  <div>M</div>
                                </div>
                                <br clear="none">
                                <div>
                                  <div dir="ltr">On Tue., Sep. 7, 2021,
                                    4:17 p.m. Earl Kagna via Healeys,
                                    &lt;<a shape="rect"
                                      href="mailto:[email-masked]"
                                      rel="noreferrer noopener"
                                      target="_blank"
                                      moz-do-not-send="true">[email-masked]</a>&gt;
                                    wrote:<br clear="none">
                                  </div>
                                  <blockquote style="margin:0px 0px 0px
                                    0.8ex;border-left:1px solid
                                    rgb(204,204,204);padding-left:1ex">
                                    <div lang="EN-US">
                                      <div>
                                        <div>I have Bill Bolton
                                          lightened flywheels in both my
                                          Healeys.  According to Kent
                                          Lambert, who took over Bills
                                          Healey business awhile back,
                                          the stock weight (6 cyl) is
                                          28.5 pounds, and Bills
                                          machining program reduced them
                                          to 24.</div>
                                        <div> </div>
                                        <div>Both of my cars run just
                                          fine, no problems at all in
                                          the 20 + or so years that I’ve
                                          had them installed.</div>
                                        <div> </div>
                                        <div>Earl Kagna</div>
                                        <div>Victoria BC</div>
                                        <div>BJ8, BT7 tri-carb</div>
                                        <div> </div>
                                        <div> </div>
                                        <div> </div>
                                        <div
                                          style="border-color:rgb(225,225,225)
                                          currentcolor
                                          currentcolor;border-style:solid
                                          none none;border-width:1pt
                                          medium medium;padding:3pt 0in
                                          0in">
                                          <div><b>From:</b> Healeys &lt;<a
                                              shape="rect"
                                              href="mailto:[email-masked]"
                                              rel="noreferrer noopener"
                                              target="_blank"
                                              moz-do-not-send="true">[email-masked]</a>&gt;
                                            <b>On Behalf Of </b>richard
                                            mayor<br clear="none">
                                            <b>Sent:</b> Tuesday,
                                            September 7, 2021 10:23 AM<br
                                              clear="none">
                                            <b>To:</b> healeys &lt;<a
                                              shape="rect"
                                              href="mailto:[email-masked]"
                                              rel="noreferrer noopener"
                                              target="_blank"
                                              moz-do-not-send="true">[email-masked]</a>&gt;<br
                                              clear="none">
                                            <b>Subject:</b> [Healeys]
                                            Lightened flywheels</div>
                                        </div>
                                        <div> </div>
                                        <div>
                                          <div>
                                            <div>6 cylinder flywheels
                                              vary slightly but are all
                                              generally in the 29 pound
                                              range. Very aggressive
                                              machine work can get the
                                              weight down to the 22-23
                                              pound range. </div>
                                          </div>
                                          <div>
                                            <div>How much weight you
                                              take off will affect your
                                              driving style. To maintain
                                              the feel of a stock Healey
                                              while still improving the
                                              engines response, I
                                              suggest removing no more
                                              than 3 pounds. </div>
                                          </div>
                                          <div>
                                            <div> </div>
                                          </div>
                                          <div>
                                            <div>Richard   </div>
                                          </div>
                                        </div>
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[email-masked]

--===============4090929201280949801==--

---

From: Michael Salter <[email-masked]>
Date: Tue, 7 Sep 2021 21:03:00 -0400

--===============1625725592924530593==

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Perhaps another way to look at this question is with respect tp engine
power.
It takes a certain amount of horsepower to accelerate a mass (car) at a
certain rate.
Taking weight off the flywheel decreases the amount of horsepower required
to accelerate the car and for that matter the engine's speed of rotation
but the change in the amount of horsepower required is very small.
Sure engines with light flywheels sound racey but they aren't more powerful=
.

M

On Tue., Sep. 7, 2021, 6:22 p.m. richard mayor, <[email-masked]>
wrote:

> I should add  one more thing for clarification.  The general rule of thum=
b
> for comparing rotational weight to other weight (sprung or unsprung) is 1=
0
> to 1.  So, using that rule, 5 pounds of weight removed from rotational ma=
ss
> But, it doesn't alway work out that way.  If you removed one pound from
> the flywheel in the area where the bolt pattern is then the 10 to 1 rule
> may apply.  But if you remove one pound of material out near the ring gea=
r
> then it is more like a factor of 30 to 1.  Any rotational weight removed
> further away from its axis will have a much greater effect. And when you
> lighten a Healey flywheel the place where the meat comes off first is out
> near the ring gear.  Removing 3 or 4 pounds has a big effect on
> acceleration.
>
a
ilures/
0
2
the
ht
o
k
 to
d
3
n
I
>>> <#m_573075059829985210_m_-5451347567706541358_m_4102748135953362380_m_-=
1299543942381278781_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>

--0000000000004babd205cb717242
Content-Transfer-Encoding: quoted-printable

<div dir=3D"auto">Perhaps another way to look at this question is with resp=
ect tp engine power.=C2=A0<div dir=3D"auto">It takes a certain amount of ho=
rsepower to accelerate a mass (car) at a certain rate.=C2=A0</div><div dir=
=3D"auto">Taking weight off the flywheel decreases the amount of horsepower=
 required to accelerate the car and for that matter the engine&#39;s speed =
of rotation but the change in the amount of horsepower required is very sma=
ll.</div><div dir=3D"auto">Sure engines with light flywheels sound racey bu=
t they aren&#39;t more powerful.</div><div dir=3D"auto"><br></div><div dir=
=3D"auto">M</div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" clas=
s=3D"gmail_attr">On Tue., Sep. 7, 2021, 6:22 p.m. richard mayor, &lt;<a hre=
f=3D"mailto:[email-masked]">[email-masked]</a>&gt; wrote:<br>=
</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex"><div dir=3D"ltr"><div>I should add=C2=
=A0 one more thing for clarification.=C2=A0 The general rule of thumb for c=
omparing rotational weight to other weight (sprung or unsprung) is 10 to 1.=
=C2=A0 So, using that rule, 5 pounds of weight removed from rotational mass=
 would equal 50 pounds of fuel. As Michael pointed out.</div><div>But, it d=
oesn&#39;t alway work out that way.=C2=A0 If you removed one pound from the=
 flywheel in the area where the bolt pattern is then the 10 to 1 rule may a=
pply.=C2=A0 But if you remove one pound of material out near the ring gear =
then it is more like a factor of 30 to 1.=C2=A0 Any rotational weight remov=
ed further away from its axis will have a much greater effect. And when you=
 lighten a Healey flywheel the place where the meat comes off first is out =
near the ring gear.=C2=A0 Removing 3 or 4 pounds has a big effect on accele=
ration.=C2=A0 <br></div></div><br><div class=3D"gmail_quote"><div dir=3D"lt=
r" class=3D"gmail_attr">On Tue, Sep 7, 2021 at 2:24 PM Michael Salter &lt;<=
a href=3D"mailto:[email-masked]" target=3D"_blank" rel=3D"noreferr=
er">[email-masked]</a>&gt; wrote:<br></div><blockquote class=3D"gm=
ail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,=
204,204);padding-left:1ex"><div dir=3D"auto">The total mass of the flywheel=
 is not completely relevant insofar as engine moment of inertia is concerne=
d.<div dir=3D"auto">What is important is the mass removed times the square =
of the radius, so just how much weight has been removed per se is not impor=
tant.=C2=A0</div><div dir=3D"auto">Secondly removing rotational inertia is =
not always the best thing to do, if it was you can be assured that manufact=
urers would be all over it as a way to save money.</div><div dir=3D"auto">T=
he rotational mass is often designed in to protect the drive train, in part=
icular the gearbox.</div><div dir=3D"auto">Read this:=C2=A0 <a href=3D"http=
s://www.netbug.net/blogmichael/2017/01/03/austin-healey-100-crank-failures/=
" target=3D"_blank" rel=3D"noreferrer">https://www.netbug.net/blogmichael/2=
017/01/03/austin-healey-100-crank-failures/</a></div><div dir=3D"auto">Thir=
dly lightening a flywheel in of itself has very little effect on accelerati=
on.=C2=A0 An engine with a lightened flywheel may accelerate to 6000 RPM 1 =
- 2 seconds more quickly but that doesn&#39;t necessarily equate to 1-2 sec=
onds faster to 60 MPH. You may be able to shift marginally faster if the ge=
arbox can stand the extra loads and the 4 to 5 pounds off vehicle weight is=
 really only the equivalent of half a tank of fuel. (Who ever notices that =
their car accelerates more quickly with a half full gas tank).</div><div di=
r=3D"auto"><br></div><div dir=3D"auto">Just sayin&#39;</div><div dir=3D"aut=
o"><br></div><div dir=3D"auto">M</div></div><br><div class=3D"gmail_quote">=
<div dir=3D"ltr" class=3D"gmail_attr">On Tue., Sep. 7, 2021, 4:17 p.m. Earl=
 Kagna via Healeys, &lt;<a href=3D"mailto:[email-masked]" rel=3D"no=
referrer noreferrer" target=3D"_blank">[email-masked]</a>&gt; wrote=
:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.=
8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div lang=3D"E=
N-US"><div><p class=3D"MsoNormal">I have Bill Bolton lightened flywheels in=
 both my Healeys.=C2=A0 According to Kent Lambert, who took over Bills Heal=
ey business awhile back, the stock weight (6 cyl) is 28.5 pounds, and Bills=
 machining program reduced them to 24.<u></u><u></u></p><p class=3D"MsoNorm=
al"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal">Both of my cars run just=
 fine, no problems at all in the 20 + or so years that I=E2=80=99ve had the=
m installed.<u></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></=
p><p class=3D"MsoNormal">Earl Kagna<u></u><u></u></p><p class=3D"MsoNormal"=
>Victoria BC<u></u><u></u></p><p class=3D"MsoNormal">BJ8, BT7 tri-carb<u></=
u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"Mso=
Normal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u>=
</p><div style=3D"border-color:rgb(225,225,225) currentcolor currentcolor;b=
order-style:solid none none;border-width:1pt medium medium;padding:3pt 0in =
0in"><p class=3D"MsoNormal"><b>From:</b> Healeys &lt;<a href=3D"mailto:heal=
[email-masked]" rel=3D"noreferrer noreferrer noreferrer" target=
=3D"_blank">[email-masked]</a>&gt; <b>On Behalf Of </b>rich=
ard mayor<br><b>Sent:</b> Tuesday, September 7, 2021 10:23 AM<br><b>To:</b>=
 healeys &lt;<a href=3D"mailto:[email-masked]" rel=3D"noreferrer no=
referrer noreferrer" target=3D"_blank">[email-masked]</a>&gt;<br><b=
>Subject:</b> [Healeys] Lightened flywheels<u></u><u></u></p></div><p class=
><u></u></p></div></div></div><div id=3D"m_573075059829985210gmail-m_-54513=
47567706541358m_4102748135953362380m_-1299543942381278781DAB4FAD8-2DD7-40BB=
-A1B8-4E2AA1F9FDF2"><br>
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--0000000000004babd205cb717242--

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[email-masked]

--===============1625725592924530593==--

---

From: John Spaur via Healeys <[email-masked]>
Date: Tue, 7 Sep 2021 22:14:03 -0700

--===============4133200792001332465==
	boundary="----=_NextPart_000_020A_01D7A435.AB7E1DB0"
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More nitpicking.

=20

The density of gasoline is also determined by its temperature and =
chemical makeup. Premium unleaded gasoline has a higher density than =
regular unleaded. Ethanol has a higher density than gasoline without =
ethanol, so the percentage of ethanol needs to be factored in. Finally, =
gasoline is denser at colder temperatures than it is at higher =
temperatures. So please, take all of this into account when determining =
the fuel weight in your cars based on your location and the fuel =
available.

=20

I wonder if the lead content of gasoline increases its weight because, =
as we all know lead, is very heavy. Hahaha

=20

John Spaur

=20

From: Healeys [mailto:[email-masked]] On Behalf Of =
Michael Oritt
Sent: Tuesday, September 7, 2021 5:40 PM
To: Keith Pennell <[email-masked]>
Cc: [email-masked]
Subject: Re: [Healeys] Lightened flywheels

=20

Keith--

=20

Right you are (and wrong I am) but 6 x 6.3=3D20+/-which is still more =
than 5...

=20

Best--Michael Oritt

=20

=20

=20

On Tue, Sep 7, 2021 at 7:53 PM llennep--- via Healeys =

Nitpicking me here . . ..  .. .=20

:)

-----Original Message-----
From: Michael Oritt via Healeys <[email-masked] =

I hesitate to nitpick but as to the statement that "4 to 5 pounds off =
vehicle weight is really only the equivalent of half a tank of fuel"  =
the last time I looked an AH fuel tank holds about 12 gallons and since =
gasoline weighs approximately 7.5 lbs per gallon half a tank weighs =
about 45 pounds.  The defense rests....

=20

Best--Michael Oritt =20

=20

On Tue, Sep 7, 2021 at 6:00 PM richard mayor via Healeys =

Michael,=20

=20

Comparing the weight of fuel in the gas tank to rotational mass is like =
comparing apples to bananas.=20

=20

Richard

=20

=20

On Tue, Sep 7, 2021 at 2:24 PM Michael Salter <[email-masked] =

The total mass of the flywheel is not completely relevant insofar as =
engine moment of inertia is concerned.=20

What is important is the mass removed times the square of the radius, so =
just how much weight has been removed per se is not important.=20

Secondly removing rotational inertia is not always the best thing to do, =
if it was you can be assured that manufacturers would be all over it as =
a way to save money.

The rotational mass is often designed in to protect the drive train, in =
particular the gearbox.

Read this:  =

Thirdly lightening a flywheel in of itself has very little effect on =
acceleration.  An engine with a lightened flywheel may accelerate to =
6000 RPM 1 - 2 seconds more quickly but that doesn't necessarily equate =
to 1-2 seconds faster to 60 MPH. You may be able to shift marginally =
faster if the gearbox can stand the extra loads and the 4 to 5 pounds =
off vehicle weight is really only the equivalent of half a tank of fuel. =
(Who ever notices that their car accelerates more quickly with a half =
full gas tank).

=20

Just sayin'

=20

M

=20

On Tue., Sep. 7, 2021, 4:17 p.m. Earl Kagna via Healeys, =

I have Bill Bolton lightened flywheels in both my Healeys.  According to =
Kent Lambert, who took over Bills Healey business awhile back, the stock =
weight (6 cyl) is 28.5 pounds, and Bills machining program reduced them =
to 24.

=20

Both of my cars run just fine, no problems at all in the 20 + or so =
years that I=E2=80=99ve had them installed.

=20

Earl Kagna

Victoria BC

BJ8, BT7 tri-carb

=20

=20

=20

From: Healeys <[email-masked] =
Sent: Tuesday, September 7, 2021 10:23 AM
Subject: [Healeys] Lightened flywheels

=20

=20

Richard  =20

=20

 =
<https://www.avast.com/sig-email?utm_medium=3Demail&utm_source=3Dlink&utm=
_campaign=3Dsig-email&utm_content=3Demailclient>=20

Virus-free.  =
<https://www.avast.com/sig-email?utm_medium=3Demail&utm_source=3Dlink&utm=
_campaign=3Dsig-email&utm_content=3Demailclient> www.avast.com=20

Archive: http://www.team.net/pipermail/healeys =
http://autox.team.net/archive

Archive: http://www.team.net/pipermail/healeys =
http://autox.team.net/archive

=20

--=20

Best--Michael

Archive: http://www.team.net/pipermail/healeys  =
<http://www.team.net/pipermail/healeys> http://autox.team.net/archive

Archive: http://www.team.net/pipermail/healeys =
http://autox.team.net/archive

=20

--=20

Best--Michael

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<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue =
vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'=
>More nitpicking.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'=
><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'=
>The density of gasoline is also determined by its temperature and =
chemical makeup. Premium unleaded gasoline has a higher density than =
regular unleaded. Ethanol has a higher density than gasoline without =
ethanol, so the percentage of ethanol needs to be factored in. Finally, =
gasoline is denser at colder temperatures than it is at higher =
temperatures. So please, take all of this into account when determining =
the fuel weight in your cars based on your location and the fuel =
available.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'=
><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'=
>I wonder if the lead content of gasoline increases its weight because, =
as we all know lead, is very heavy. Hahaha<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'=
><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'=
>John Spaur<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'=
><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><b><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span><=
/b><span style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'> =
Healeys [mailto:[email-masked]] <b>On Behalf Of =
</b>Michael Oritt<br><b>Sent:</b> Tuesday, September 7, 2021 5:40 =
PM<br><b>To:</b> Keith Pennell &lt;[email-masked]&gt;<br><b>Cc:</b> =
[email-masked]<br><b>Subject:</b> Re: [Healeys] Lightened =
flywheels<o:p></o:p></span></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div><p =
class=3DMsoNormal><span =
style=3D'color:#3333FF'>Keith--<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
style=3D'color:#3333FF'><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span style=3D'color:#3333FF'>Right you are (and wrong =
I am) but 6 x 6.3=3D20+/-which is still more than =
5...<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'color:#3333FF'><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span style=3D'color:#3333FF'>Best--Michael =
Oritt<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'color:#3333FF'><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span =
style=3D'color:#3333FF'><o:p>&nbsp;</o:p></span></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div><p class=3DMsoNormal>On =
Tue, Sep 7, 2021 at 7:53 PM llennep--- via Healeys &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt; =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in =
6.0pt;margin-left:4.8pt;margin-right:0in'><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>Nit=
picking me here . . .. &nbsp;.. . <o:p></o:p></span></p><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>gal=
lon of gasoline weighs a tad over 6 =
lbs<o:p></o:p></span></p></div><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>:)<=
br><br><o:p></o:p></span></p><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>-----Original Message-----<br>From: Michael Oritt via Healeys &lt;<a =
href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt;<br>To: richard mayor =
&lt;<a href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt;<br>Cc: healeys &lt;<a =
href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt;<br>Sent: Tue, Sep 7, =
2021 7:40 pm<br>Subject: Re: [Healeys] Lightened =
flywheels<o:p></o:p></span></p><div =
id=3D"gmail-m_-6446079295951788294yiv1063698908"><div><div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#3333F=
F'>I hesitate to nitpick but as to the statement that </span><i><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:blue'>=
&quot;4 to 5 pounds off vehicle weight is really only the equivalent of =
half a tank of fuel&quot;&nbsp;</span></i><i><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>&nbsp;</span></i><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:blue'>=
the l</span><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#3333F=
F'>ast time I looked an AH fuel tank holds about 12 gallons and since =
gasoline weighs approximately 7.5 lbs per gallon half a tank weighs =
about 45 pounds.&nbsp;&nbsp;The defense rests....</span><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
><o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
><o:p>&nbsp;</o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#3333F=
F'>Best--Michael Oritt&nbsp;&nbsp;</span><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
><o:p></o:p></span></p></div></div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
><o:p>&nbsp;</o:p></span></p><div><div =
id=3D"gmail-m_-6446079295951788294yiv1063698908yqtfd54840"><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>On Tue, Sep 7, 2021 at 6:00 PM richard mayor via Healeys &lt;<a =
href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; =
wrote:<o:p></o:p></span></p></div></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in =
6.0pt;margin-left:4.8pt;margin-right:0in'><div =
id=3D"gmail-m_-6446079295951788294yiv1063698908yqtfd20741"><div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>Michael, <o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
><o:p>&nbsp;</o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>Comparing the weight of fuel in the gas tank to rotational mass is like =
comparing apples to bananas. <o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
><o:p>&nbsp;</o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>Richard<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
><o:p>&nbsp;</o:p></span></p></div></div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
><o:p>&nbsp;</o:p></span></p><div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>On Tue, Sep 7, 2021 at 2:24 PM Michael Salter &lt;<a =
href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; =
wrote:<o:p></o:p></span></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in =
6.0pt;margin-left:4.8pt;margin-right:0in'><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>The total mass of the flywheel is not completely relevant insofar as =
engine moment of inertia is concerned. <o:p></o:p></span></p><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>What is important is the mass removed times the square of the radius, =
so just how much weight has been removed per se is not =
important.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>Secondly removing rotational inertia is not always the best thing to =
do, if it was you can be assured that manufacturers would be all over it =
as a way to save money.<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>The rotational mass is often designed in to protect the drive train, in =
particular the gearbox.<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>Read this:&nbsp; <a =
href=3D"https://www.netbug.net/blogmichael/2017/01/03/austin-healey-100-c=
rank-failures/" =
target=3D"_blank">https://www.netbug.net/blogmichael/2017/01/03/austin-he=
aley-100-crank-failures/</a><o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>Thirdly lightening a flywheel in of itself has very little effect on =
acceleration.&nbsp; An engine with a lightened flywheel may accelerate =
to 6000 RPM 1 - 2 seconds more quickly but that doesn't necessarily =
equate to 1-2 seconds faster to 60 MPH. You may be able to shift =
marginally faster if the gearbox can stand the extra loads and the 4 to =
5 pounds off vehicle weight is really only the equivalent of half a tank =
of fuel. (Who ever notices that their car accelerates more quickly with =
a half full gas tank).<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
><o:p>&nbsp;</o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>Just sayin'<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
><o:p>&nbsp;</o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>M<o:p></o:p></span></p></div></div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
><o:p>&nbsp;</o:p></span></p><div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>On Tue., Sep. 7, 2021, 4:17 p.m. Earl Kagna via Healeys, &lt;<a =
href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; =
wrote:<o:p></o:p></span></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in =
6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>I have Bill Bolton lightened flywheels in both my Healeys.&nbsp; =
According to Kent Lambert, who took over Bills Healey business awhile =
back, the stock weight (6 cyl) is 28.5 pounds, and Bills machining =
program reduced them to 24.<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>Both of my cars run just fine, no problems at all in the 20 + or so =
years that I=E2=80=99ve had them =
installed.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>Earl Kagna<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>Victoria BC<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>BJ8, BT7 tri-carb<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>&nbsp;<o:p></o:p></span></p></div><div =
style=3D'border:none;border-top:solid windowtext 1.0pt;padding:3.0pt 0in =
0in 0in;border-color:currentcolor currentcolor'><div><p =
class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>From:</span></b><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
> Healeys &lt;<a href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; <b>On Behalf Of =
</b>richard mayor<br><b>Sent:</b> Tuesday, September 7, 2021 10:23 =
AM<br><b>To:</b> healeys &lt;<a href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt;<br><b>Subject:</b> =
[Healeys] Lightened flywheels<o:p></o:p></span></p></div></div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>&nbsp;<o:p></o:p></span></p></div><div><div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>6 cylinder flywheels vary slightly but are all generally in the 29 =
pound range. Very aggressive machine work can get the weight down to the =
22-23 pound range. <o:p></o:p></span></p></div></div><div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>How much weight you take off will affect your driving style. To =
maintain the feel of a stock Healey while still improving the engines =
response, I suggest removing no more than 3 pounds. =
<o:p></o:p></span></p></div></div><div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>&nbsp;<o:p></o:p></span></p></div></div><div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>Richard &nbsp; <o:p></o:p></span></p></div></div></div></div><div =
id=3D"gmail-m_-6446079295951788294yiv1063698908gmail-m_-73764995583682360=
35gmail-m_-5451347567706541358m_4102748135953362380m_-1299543942381278781=
DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
><o:p>&nbsp;</o:p></span></p><table class=3DMsoNormalTable border=3D1 =
cellpadding=3D0 style=3D'border:none;border-top:solid #D3D4DE =
1.0pt'><tr><td width=3D58 =
style=3D'width:41.25pt;border:none;padding:9.75pt .75pt .75pt .75pt'><p =
class=3DMsoNormal><a =
href=3D"https://www.avast.com/sig-email?utm_medium=3Demail&amp;utm_source=
=3Dlink&amp;utm_campaign=3Dsig-email&amp;utm_content=3Demailclient" =
target=3D"_blank"><span style=3D'text-decoration:none'><img border=3D0 =
width=3D46 height=3D29 id=3D"_x0000_i1025" =
src=3D"https://ipmcdn.avastcom/images/icons/icon-envelope-tick-round-oran=
ge-animated-no-repeat-v1.gif"></span></a><o:p></o:p></p></td><td =
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class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><p class=3DMsoNormal>-- =
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style=3D'color:#3333FF'>Best--Michael</span><o:p></o:p></p></div></div></=
body></html>
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[email-masked]

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---

From: Bluehealey <[email-masked]>
Date: Wed, 8 Sep 2021 09:13:49 +0100

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Team.
Whilst this is an interesting topic and =E2=80=98Lightened Flywheel=E2=80=99=
 may have some bragging rights potential, carrying out this mod does have a d=
own side.
The reduced flywheel mass creates a more pronounced engine reaction force in=
 the opposite direction.
I had a BJ8 almost 20 years ago which had a very light flywheel, poor tick o=
ver and quick throttle response. It sounded good. However the torque reactio=
n was extreme enough to lift the engine mount tower out of the chassis rails=
 !!
The cracking in the pics have been highlighted with red sharpie for clarity.=

Enjoy

Alan - from my iPad

> On 8 Sep 2021, at 06:16, John Spaur via Healeys <[email-masked]> w=
rote:
>=20
> =EF=BB=BF
> More nitpicking.
> =20
> The density of gasoline is also determined by its temperature and chemical=
 makeup. Premium unleaded gasoline has a higher density than regular unleade=
d. Ethanol has a higher density than gasoline without ethanol, so the percen=
tage of ethanol needs to be factored in. Finally, gasoline is denser at cold=
er temperatures than it is at higher temperatures. So please, take all of th=
is into account when determining the fuel weight in your cars based on your l=
ocation and the fuel available.
> =20
> I wonder if the lead content of gasoline increases its weight because, as w=
e all know lead, is very heavy. Hahaha
> =20
> John Spaur
> =20
> From: Healeys [mailto:[email-masked]] On Behalf Of Michael=
 Oritt
> Right you are (and wrong I am) but 6 x 6.3=3D20+/-which is still more than=
 5...
> =20
> Best--Michael Oritt
> =20
> =20
> =20
> On Tue, Sep 7, 2021 at 7:53 PM llennep--- via Healeys <[email-masked].=
net> wrote:
> I hesitate to nitpick but as to the statement that "4 to 5 pounds off vehi=
cle weight is really only the equivalent of half a tank of fuel"  the last t=
ime I looked an AH fuel tank holds about 12 gallons and since gasoline weigh=
s approximately 7.5 lbs per gallon half a tank weighs about 45 pounds.  The d=
efense rests....
> =20
> Best--Michael Oritt =20
> =20
> On Tue, Sep 7, 2021 at 6:00 PM richard mayor via Healeys <[email-masked]=
am.net> wrote:
> Michael,
> =20
> Comparing the weight of fuel in the gas tank to rotational mass is like co=
mparing apples to bananas.
> =20
> Richard
> =20
> =20
> On Tue, Sep 7, 2021 at 2:24 PM Michael Salter <[email-masked]> wr=
ote:
> The total mass of the flywheel is not completely relevant insofar as engin=
e moment of inertia is concerned.
> What is important is the mass removed times the square of the radius, so j=
ust how much weight has been removed per se is not important.=20
> Secondly removing rotational inertia is not always the best thing to do, i=
f it was you can be assured that manufacturers would be all over it as a way=
 to save money.
> The rotational mass is often designed in to protect the drive train, in pa=
rticular the gearbox.
> Read this:  https://www.netbug.net/blogmichael/2017/01/03/austin-healey-10=
0-crank-failures/
> Thirdly lightening a flywheel in of itself has very little effect on accel=
eration.  An engine with a lightened flywheel may accelerate to 6000 RPM 1 -=
 2 seconds more quickly but that doesn't necessarily equate to 1-2 seconds f=
aster to 60 MPH. You may be able to shift marginally faster if the gearbox c=
an stand the extra loads and the 4 to 5 pounds off vehicle weight is really o=
nly the equivalent of half a tank of fuel. (Who ever notices that their car a=
ccelerates more quickly with a half full gas tank).
> =20
> Just sayin'
> =20
> M
> =20
> On Tue., Sep. 7, 2021, 4:17 p.m. Earl Kagna via Healeys, <[email-masked]=
am.net> wrote:
> I have Bill Bolton lightened flywheels in both my Healeys.  According to K=
ent Lambert, who took over Bills Healey business awhile back, the stock weig=
ht (6 cyl) is 28.5 pounds, and Bills machining program reduced them to 24.
> 6 cylinder flywheels vary slightly but are all generally in the 29 pound r=
ange. Very aggressive machine work can get the weight down to the 22-23 poun=
d range.
> How much weight you take off will affect your driving style. To maintain t=
he feel of a stock Healey while still improving the engines response, I sugg=
est removing no more than 3 pounds.
> =20
> Richard =20
> =20
>=20
> Virus-free. www.avast.com
> Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archi=
ve
> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/michaels=
[email-masked]
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ve
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ve
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verizon.net
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ve
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[email-masked]
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ve
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[email-masked]

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">Team.<div>Whilst this is an interesting top=
ic and =E2=80=98Lightened Flywheel=E2=80=99 may have some bragging rights po=
tential, carrying out this mod does have a down side.</div><div>The reduced f=
lywheel mass creates a more pronounced engine reaction force in the opposite=
 direction.</div><div>I had a BJ8 almost 20 years ago which had a very light=
 flywheel, poor tick over and quick throttle response. It sounded good. Howe=
ver the torque reaction was extreme enough to lift the engine mount tower ou=
t of the chassis rails !!</div><div>The cracking in the pics have been highl=
ighted with red sharpie for clarity.</div><div>Enjoy</div><div><img src=3D"c=
id:16837180-5BA0-47E7-BA9F-B49DBC1AE513-L0-001"><img src=3D"cid:4A2AB327-7E4=
D-4A3E-94CF-9C06BF489552-L0-001"><img src=3D"cid:789FD44B-A82D-429D-BEE7-1F2=
BFA96ACE4-L0-001"><br><br><div dir=3D"ltr">Alan - from my iPad</div><div dir=
=3D"ltr"><br><blockquote type=3D"cite">On 8 Sep 2021, at 06:16, John Spaur v=
ia Healeys &lt;[email-masked]&gt; wrote:<br><br></blockquote></div><=
blockquote type=3D"cite"><div dir=3D"ltr">=EF=BB=BF<meta http-equiv=3D"Conte=
nt-Type" content=3D"text/html; charset=3Dutf-8"><meta name=3D"Generator" con=
tent=3D"Microsoft Word 15 (filtered medium)"><!--[if !mso]><style>v\:* {beha=
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<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--><div class=3D"WordSection1"><p class=3D"Ms=
oNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,san=
s-serif;color:#1F497D">More nitpicking.<o:p></o:p></span></p><p class=3D"Mso=
Normal"><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,sans=
-serif;color:#1F497D"><o:p>&nbsp;</o:p></span></p><p class=3D"MsoNormal"><sp=
an style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;colo=
r:#1F497D">The density of gasoline is also determined by its temperature and=
 chemical makeup. Premium unleaded gasoline has a higher density than regula=
r unleaded. Ethanol has a higher density than gasoline without ethanol, so t=
he percentage of ethanol needs to be factored in. Finally, gasoline is dense=
r at colder temperatures than it is at higher temperatures. So please, take a=
ll of this into account when determining the fuel weight in your cars based o=
n your location and the fuel available.<o:p></o:p></span></p><p class=3D"Mso=
Normal"><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,sans=
-serif;color:#1F497D"><o:p>&nbsp;</o:p></span></p><p class=3D"MsoNormal"><sp=
an style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;colo=
r:#1F497D">I wonder if the lead content of gasoline increases its weight bec=
ause, as we all know lead, is very heavy. Hahaha<o:p></o:p></span></p><p cla=
ss=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&q=
uot;,sans-serif;color:#1F497D"><o:p>&nbsp;</o:p></span></p><p class=3D"MsoNo=
rmal"><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-s=
erif;color:#1F497D">John Spaur<o:p></o:p></span></p><p class=3D"MsoNormal"><=
span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif;co=
lor:#1F497D"><o:p>&nbsp;</o:p></span></p><p class=3D"MsoNormal"><b><span sty=
le=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-serif">From:</sp=
an></b><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,sans-=
serif"> Healeys [mailto:[email-masked]] <b>On Behalf Of </b>=
Michael Oritt<br><b>Sent:</b> Tuesday, September 7, 2021 5:40 PM<br><b>To:</=
b> Keith Pennell &lt;[email-masked]&gt;<br><b>Cc:</b> [email-masked]=
m.net<br><b>Subject:</b> Re: [Healeys] Lightened flywheels<o:p></o:p></span>=
</p><p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p><div><div><p class=3D"MsoNor=
mal"><span style=3D"color:#3333FF">Keith--<o:p></o:p></span></p></div><div><=
p class=3D"MsoNormal"><span style=3D"color:#3333FF"><o:p>&nbsp;</o:p></span>=
</p></div><div><p class=3D"MsoNormal"><span style=3D"color:#3333FF">Right yo=
u are (and wrong I am) but 6 x 6.3=3D20+/-which is still more than 5...<o:p>=
</o:p></span></p></div><div><p class=3D"MsoNormal"><span style=3D"color:#333=
3FF"><o:p>&nbsp;</o:p></span></p></div><div><p class=3D"MsoNormal"><span sty=
le=3D"color:#3333FF">Best--Michael Oritt<o:p></o:p></span></p></div><div><p c=
lass=3D"MsoNormal"><span style=3D"color:#3333FF"><o:p>&nbsp;</o:p></span></p=
></div><div><p class=3D"MsoNormal"><span style=3D"color:#3333FF"><o:p>&nbsp;=
</o:p></span></p></div></div><p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p><di=
v><div><p class=3D"MsoNormal">On Tue, Sep 7, 2021 at 7:53 PM llennep--- via H=
ealeys &lt;<a href=3D"mailto:[email-masked]">[email-masked]<=
/a>&gt; wrote:<o:p></o:p></p></div><blockquote style=3D"border:none;border-l=
eft:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-r=
ight:0in"><div><p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-f=
amily:&quot;Arial&quot;,sans-serif;color:black">Nitpicking me here . . .. &n=
bsp;.. . <o:p></o:p></span></p><div><p class=3D"MsoNormal"><span style=3D"fo=
nt-size:10.0pt;font-family:&quot;Arial&quot;,sans-serif;color:black">gallon o=
f gasoline weighs a tad over 6 lbs<o:p></o:p></span></p></div><div><p class=3D=
"MsoNormal" style=3D"margin-bottom:12.0pt"><span style=3D"font-size:10.0pt;f=
ont-family:&quot;Arial&quot;,sans-serif;color:black">:)<br><br><o:p></o:p></=
span></p><div><p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span st=
yle=3D"font-size:10.0pt;font-family:&quot;Helvetica&quot;,sans-serif;color:b=
lack">-----Original Message-----<br>From: Michael Oritt via Healeys &lt;<a h=
ref=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]=
et</a>&gt;<br>To: richard mayor &lt;<a href=3D"mailto:[email-masked]"=
 target=3D"_blank">[email-masked]</a>&gt;<br>Cc: healeys &lt;<a href=3D=
"mailto:[email-masked]" target=3D"_blank">[email-masked]</a>=
&gt;<br>Sent: Tue, Sep 7, 2021 7:40 pm<br>Subject: Re: [Healeys] Lightened f=
lywheels<o:p></o:p></span></p><div id=3D"gmail-m_-6446079295951788294yiv1063=
698908"><div><div><div><p class=3D"MsoNormal"><span style=3D"font-size:10.0p=
t;font-family:&quot;Helvetica&quot;,sans-serif;color:#3333FF">I hesitate to n=
itpick but as to the statement that </span><i><span style=3D"font-size:10.0p=
t;font-family:&quot;Helvetica&quot;,sans-serif;color:blue">"4 to 5 pounds of=
f vehicle weight is really only the equivalent of half a tank of fuel"&nbsp;=
</span></i><i><span style=3D"font-size:10.0pt;font-family:&quot;Helvetica&qu=
ot;,sans-serif;color:black">&nbsp;</span></i><span style=3D"font-size:10.0pt=
;font-family:&quot;Helvetica&quot;,sans-serif;color:blue">the l</span><span s=
tyle=3D"font-size:10.0pt;font-family:&quot;Helvetica&quot;,sans-serif;color:=
#3333FF">ast time I looked an AH fuel tank holds about 12 gallons and since g=
asoline weighs approximately 7.5 lbs per gallon half a tank weighs about 45 p=
ounds.&nbsp;&nbsp;The defense rests....</span><span style=3D"font-size:10.0p=
t;font-family:&quot;Helvetica&quot;,sans-serif;color:black"><o:p></o:p></spa=
n></p></div><div><p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font=
-family:&quot;Helvetica&quot;,sans-serif;color:black"><o:p>&nbsp;</o:p></spa=
n></p></div><div><p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font=
-family:&quot;Helvetica&quot;,sans-serif;color:#3333FF">Best--Michael Oritt&=
nbsp;&nbsp;</span><span style=3D"font-size:10.0pt;font-family:&quot;Helvetic=
a&quot;,sans-serif;color:black"><o:p></o:p></span></p></div></div><p class=3D=
"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Helvetica&quot=
;,sans-serif;color:black"><o:p>&nbsp;</o:p></span></p><div><div id=3D"gmail-=
m_-6446079295951788294yiv1063698908yqtfd54840"><div><p class=3D"MsoNormal"><=
span style=3D"font-size:10.0pt;font-family:&quot;Helvetica&quot;,sans-serif;=
color:black">On Tue, Sep 7, 2021 at 6:00 PM richard mayor via Healeys &lt;<a=
 href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]=
.net</a>&gt; wrote:<o:p></o:p></span></p></div></div><blockquote style=3D"bo=
rder:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-l=
eft:4.8pt;margin-right:0in"><div id=3D"gmail-m_-6446079295951788294yiv106369=
8908yqtfd20741"><div><div><p class=3D"MsoNormal"><span style=3D"font-size:10=
.0pt;font-family:&quot;Helvetica&quot;,sans-serif;color:black">Michael, <o:p=
></o:p></span></p></div><div><p class=3D"MsoNormal"><span style=3D"font-size=
:10.0pt;font-family:&quot;Helvetica&quot;,sans-serif;color:black"><o:p>&nbsp=
;</o:p></span></p></div><div><p class=3D"MsoNormal"><span style=3D"font-size=
:10.0pt;font-family:&quot;Helvetica&quot;,sans-serif;color:black">Comparing t=
he weight of fuel in the gas tank to rotational mass is like comparing apple=
s to bananas. <o:p></o:p></span></p></div><div><p class=3D"MsoNormal"><span s=
tyle=3D"font-size:10.0pt;font-family:&quot;Helvetica&quot;,sans-serif;color:=
black"><o:p>&nbsp;</o:p></span></p></div><div><p class=3D"MsoNormal"><span s=
tyle=3D"font-size:10.0pt;font-family:&quot;Helvetica&quot;,sans-serif;color:=
black">Richard<o:p></o:p></span></p></div><div><p class=3D"MsoNormal"><span s=
tyle=3D"font-size:10.0pt;font-family:&quot;Helvetica&quot;,sans-serif;color:=
black"><o:p>&nbsp;</o:p></span></p></div></div><p class=3D"MsoNormal"><span s=
tyle=3D"font-size:10.0pt;font-family:&quot;Helvetica&quot;,sans-serif;color:=
black"><o:p>&nbsp;</o:p></span></p><div><div><p class=3D"MsoNormal"><span st=
yle=3D"font-size:10.0pt;font-family:&quot;Helvetica&quot;,sans-serif;color:b=
lack">On Tue, Sep 7, 2021 at 2:24 PM Michael Salter &lt;<a href=3D"mailto:mi=
[email-masked]" target=3D"_blank">[email-masked]</a>&gt; wro=
te:<o:p></o:p></span></p></div><blockquote style=3D"border:none;border-left:=
solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right=
:0in"><div><p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-famil=
y:&quot;Helvetica&quot;,sans-serif;color:black">The total mass of the flywhe=
el is not completely relevant insofar as engine moment of inertia is concern=
ed. <o:p></o:p></span></p><div><p class=3D"MsoNormal"><span style=3D"font-si=
ze:10.0pt;font-family:&quot;Helvetica&quot;,sans-serif;color:black">What is i=
mportant is the mass removed times the square of the radius, so just how muc=
h weight has been removed per se is not important.&nbsp;<o:p></o:p></span></=
p></div><div><p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-fam=
ily:&quot;Helvetica&quot;,sans-serif;color:black">Secondly removing rotation=
al inertia is not always the best thing to do, if it was you can be assured t=
hat manufacturers would be all over it as a way to save money.<o:p></o:p></s=
pan></p></div><div><p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;fo=
nt-family:&quot;Helvetica&quot;,sans-serif;color:black">The rotational mass i=
s often designed in to protect the drive train, in particular the gearbox.<o=
:p></o:p></span></p></div><div><p class=3D"MsoNormal"><span style=3D"font-si=
ze:10.0pt;font-family:&quot;Helvetica&quot;,sans-serif;color:black">Read thi=
s:&nbsp; <a href=3D"https://www.netbug.net/blogmichael/2017/01/03/austin-hea=
ley-100-crank-failures/" target=3D"_blank">https://www.netbug.net/blogmichae=
l/2017/01/03/austin-healey-100-crank-failures/</a><o:p></o:p></span></p></di=
v><div><p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&q=
uot;Helvetica&quot;,sans-serif;color:black">Thirdly lightening a flywheel in=
 of itself has very little effect on acceleration.&nbsp; An engine with a li=
ghtened flywheel may accelerate to 6000 RPM 1 - 2 seconds more quickly but t=
hat doesn't necessarily equate to 1-2 seconds faster to 60 MPH. You may be a=
ble to shift marginally faster if the gearbox can stand the extra loads and t=
he 4 to 5 pounds off vehicle weight is really only the equivalent of half a t=
ank of fuel. (Who ever notices that their car accelerates more quickly with a=
 half full gas tank).<o:p></o:p></span></p></div><div><p class=3D"MsoNormal"=
><span style=3D"font-size:10.0pt;font-family:&quot;Helvetica&quot;,sans-seri=
f;color:black"><o:p>&nbsp;</o:p></span></p></div><div><p class=3D"MsoNormal"=
><span style=3D"font-size:10.0pt;font-family:&quot;Helvetica&quot;,sans-seri=
f;color:black">Just sayin'<o:p></o:p></span></p></div><div><p class=3D"MsoNo=
rmal"><span style=3D"font-size:10.0pt;font-family:&quot;Helvetica&quot;,sans=
-serif;color:black"><o:p>&nbsp;</o:p></span></p></div><div><p class=3D"MsoNo=
rmal"><span style=3D"font-size:10.0pt;font-family:&quot;Helvetica&quot;,sans=
-serif;color:black">M<o:p></o:p></span></p></div></div><p class=3D"MsoNormal=
"><span style=3D"font-size:10.0pt;font-family:&quot;Helvetica&quot;,sans-ser=
if;color:black"><o:p>&nbsp;</o:p></span></p><div><div><p class=3D"MsoNormal"=
><span style=3D"font-size:10.0pt;font-family:&quot;Helvetica&quot;,sans-seri=
f;color:black">On Tue., Sep. 7, 2021, 4:17 p.m. Earl Kagna via Healeys, &lt;=
<a href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]=
am.net</a>&gt; wrote:<o:p></o:p></span></p></div><blockquote style=3D"border=
:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:=
4.8pt;margin-right:0in"><div><div><div><p class=3D"MsoNormal"><span style=3D=
"font-size:10.0pt;font-family:&quot;Helvetica&quot;,sans-serif;color:black">=
I have Bill Bolton lightened flywheels in both my Healeys.&nbsp; According t=
o Kent Lambert, who took over Bills Healey business awhile back, the stock w=
eight (6 cyl) is 28.5 pounds, and Bills machining program reduced them to 24=
.<o:p></o:p></span></p></div><div><p class=3D"MsoNormal"><span style=3D"font=
-size:10.0pt;font-family:&quot;Helvetica&quot;,sans-serif;color:black">&nbsp=
;<o:p></o:p></span></p></div><div><p class=3D"MsoNormal"><span style=3D"font=
-size:10.0pt;font-family:&quot;Helvetica&quot;,sans-serif;color:black">Both o=
f my cars run just fine, no problems at all in the 20 + or so years that I=E2=
=80=99ve had them installed.<o:p></o:p></span></p></div><div><p class=3D"Mso=
Normal"><span style=3D"font-size:10.0pt;font-family:&quot;Helvetica&quot;,sa=
ns-serif;color:black">&nbsp;<o:p></o:p></span></p></div><div><p class=3D"Mso=
Normal"><span style=3D"font-size:10.0pt;font-family:&quot;Helvetica&quot;,sa=
ns-serif;color:black">Earl Kagna<o:p></o:p></span></p></div><div><p class=3D=
"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Helvetica&quot=
;,sans-serif;color:black">Victoria BC<o:p></o:p></span></p></div><div><p cla=
ss=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Helvetica=
&quot;,sans-serif;color:black">BJ8, BT7 tri-carb<o:p></o:p></span></p></div>=
<div><p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quo=
t;Helvetica&quot;,sans-serif;color:black">&nbsp;<o:p></o:p></span></p></div>=
<div><p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quo=
t;Helvetica&quot;,sans-serif;color:black">&nbsp;<o:p></o:p></span></p></div>=
<div><p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quo=
t;Helvetica&quot;,sans-serif;color:black">&nbsp;<o:p></o:p></span></p></div>=
<div style=3D"border:none;border-top:solid windowtext 1.0pt;padding:3.0pt 0i=
n 0in 0in;border-color:currentcolor currentcolor"><div><p class=3D"MsoNormal=
"><b><span style=3D"font-size:10.0pt;font-family:&quot;Helvetica&quot;,sans-=
serif;color:black">From:</span></b><span style=3D"font-size:10.0pt;font-fami=
ly:&quot;Helvetica&quot;,sans-serif;color:black"> Healeys &lt;<a href=3D"mai=
lto:[email-masked]" target=3D"_blank">healeys-bounces@autox.=
team.net</a>&gt; <b>On Behalf Of </b>richard mayor<br><b>Sent:</b> Tuesday, S=
eptember 7, 2021 10:23 AM<br><b>To:</b> healeys &lt;<a href=3D"mailto:healey=
[email-masked]" target=3D"_blank">[email-masked]</a>&gt;<br><b>Sub=
ject:</b> [Healeys] Lightened flywheels<o:p></o:p></span></p></div></div><di=
v><p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;H=
elvetica&quot;,sans-serif;color:black">&nbsp;<o:p></o:p></span></p></div><di=
v><div><div><p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-fami=
ly:&quot;Helvetica&quot;,sans-serif;color:black">6 cylinder flywheels vary s=
lightly but are all generally in the 29 pound range. Very aggressive machine=
 work can get the weight down to the 22-23 pound range. <o:p></o:p></span></=
p></div></div><div><div><p class=3D"MsoNormal"><span style=3D"font-size:10.0=
pt;font-family:&quot;Helvetica&quot;,sans-serif;color:black">How much weight=
 you take off will affect your driving style. To maintain the feel of a stoc=
k Healey while still improving the engines response, I suggest removing no m=
ore than 3 pounds. <o:p></o:p></span></p></div></div><div><div><p class=3D"M=
soNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Helvetica&quot;,=
sans-serif;color:black">&nbsp;<o:p></o:p></span></p></div></div><div><div><p=
 class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Helve=
tica&quot;,sans-serif;color:black">Richard &nbsp; <o:p></o:p></span></p></di=
v></div></div></div><div id=3D"gmail-m_-6446079295951788294yiv1063698908gmai=
l-m_-7376499558368236035gmail-m_-5451347567706541358m_4102748135953362380m_-=
1299543942381278781DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><p class=3D"MsoNorm=
al"><span style=3D"font-size:10.0pt;font-family:&quot;Helvetica&quot;,sans-s=
erif;color:black"><o:p>&nbsp;</o:p></span></p><table class=3D"MsoNormalTable=
" border=3D"1" cellpadding=3D"0" style=3D"border:none;border-top:solid #D3D4=
DE 1.0pt"><tbody><tr><td width=3D"58" style=3D"width:41.25pt;border:none;pad=
ding:9.75pt .75pt .75pt .75pt"><p class=3D"MsoNormal"><a href=3D"https://www=
.avast.com/sig-email?utm_medium=3Demail&amp;utm_source=3Dlink&amp;utm_campai=
gn=3Dsig-email&amp;utm_content=3Demailclient" target=3D"_blank"><span style=3D=
"text-decoration:none"><img border=3D"0" width=3D"46" height=3D"29" id=3D"_x=
0000_i1025" src=3D"https://ipmcdn.avastcom/images/icons/icon-envelope-tick-r=
ound-orange-animated-no-repeat-v1.gif" data-unique-identifier=3D""></span></=
a><o:p></o:p></p></td><td width=3D"473" style=3D"width:352.5pt;border:none;p=
adding:9.0pt .75pt .75pt .75pt"><p class=3D"MsoNormal" style=3D"line-height:=
13.5pt"><span style=3D"font-size:10.0pt;font-family:&quot;Arial&quot;,sans-s=
erif;color:#41424E">Virus-free. <a href=3D"https://www.avast.com/sig-email?u=
tm_medium=3Demail&amp;utm_source=3Dlink&amp;utm_campaign=3Dsig-email&amp;utm=
_content=3Demailclient" target=3D"_blank"><span style=3D"color:#4453EA">www.=
avast.com</span></a> <o:p></o:p></span></p></td></tr></tbody></table></div><=
/div><p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span style=3D"fo=
nt-size:10.0pt;font-family:&quot;Helvetica&quot;,sans-serif;color:black">___=
____________________________________________<br>Support Team.Net <a href=3D"=
e.html</a><br>Suggested annual donation&nbsp; $12.75<br><br>Archive: <a href=
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"_blank">http://autox.team.net/archive</a><br><br><a href=3D"mailto:Healeys@=
autox.team.net" target=3D"_blank">[email-masked]</a><br><a href=3D"h=
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ail.com</a><o:p></o:p></span></p></blockquote></div></blockquote></div><p cl=
ass=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Helvetic=
a&quot;,sans-serif;color:black">____________________________________________=
___<br>Support Team.Net <a href=3D"http://www.team.net/donate.html" target=3D=
"_blank">http://www.team.net/donate.html</a><br>Suggested annual donation&nb=
sp; $12.75<br><br>Archive: <a href=3D"http://www.team.net/pipermail/healeys"=
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://autox.team.net/archive" target=3D"_blank">http://autox.team.net/archive</=
a><br><br><a href=3D"mailto:[email-masked]" target=3D"_blank">Healey=
[email-masked]</a><br><a href=3D"http://autox.team.net/mailman/listinfo/he=
aleys" target=3D"_blank">http://autox.team.net/mailman/listinfo/healeys</a><=
br><br>Unsubscribe/Manage: <o:p></o:p></span></p></div><p class=3D"MsoNormal=
" style=3D"margin-bottom:12.0pt"><span style=3D"font-size:10.0pt;font-family=
:&quot;Helvetica&quot;,sans-serif;color:black"><a href=3D"http://autox.team.=
net/mailman/options/healeys/[email-masked]" target=3D"_blank">http:=
//autox.team.net/mailman/options/healeys/[email-masked]</a><o:p></o=
:p></span></p></blockquote></div><p class=3D"MsoNormal"><span style=3D"font-=
size:10.0pt;font-family:&quot;Helvetica&quot;,sans-serif;color:black"><br cl=
ear=3D"all"><o:p></o:p></span></p><div><p class=3D"MsoNormal"><span style=3D=
"font-size:10.0pt;font-family:&quot;Helvetica&quot;,sans-serif;color:black">=
<o:p>&nbsp;</o:p></span></p></div><p class=3D"MsoNormal"><span style=3D"font=
-size:10.0pt;font-family:&quot;Helvetica&quot;,sans-serif;color:black">-- <o=
:p></o:p></span></p><div><p class=3D"MsoNormal"><span style=3D"font-size:10.=
0pt;font-family:&quot;Helvetica&quot;,sans-serif;color:#3333FF">Best--Michae=
l</span><span style=3D"font-size:10.0pt;font-family:&quot;Helvetica&quot;,sa=
ns-serif;color:black"><o:p></o:p></span></p></div></div></div><div id=3D"gma=
il-m_-6446079295951788294yqtfd51460"><p class=3D"MsoNormal" style=3D"margin-=
bottom:12.0pt"><span style=3D"font-size:10.0pt;font-family:&quot;Helvetica&q=
uot;,sans-serif;color:black">_______________________________________________=
<br>Support Team.Net <a href=3D"http://www.team.net/donate.html" target=3D"_=
blank">http://www.team.net/donate.html</a><br>Suggested annual donation&nbsp=
; $12.75<br><br>Archive: <a href=3D"http://www.team.net/pipermail/healeys" t=
arget=3D"_blank">http://www.team.net/pipermail/healeys </a><a href=3D"http:/=
/autox.team.net/archive" target=3D"_blank">http://autox.team.net/archive</a>=
<br><br><a href=3D"mailto:[email-masked]" target=3D"_blank">Healeys@=
autox.team.net</a><br><a href=3D"http://autox.team.net/mailman/listinfo/heal=
eys" target=3D"_blank">http://autox.team.net/mailman/listinfo/healeys</a><br=
><br>Unsubscribe/Manage: <a href=3D"http://autox.team.net/mailman/options/he=
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ptions/healeys/[email-masked]</a><o:p></o:p></span></p></div></div></di=
v></div><p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt">______________=
_________________________________<br>Support Team.Net <a href=3D"http://www.=
team.net/donate.html" target=3D"_blank">http://www.team.net/donate.html</a><=
br>Suggested annual donation&nbsp; $12.75<br><br>Archive: <a href=3D"http://=
www.team.net/pipermail/healeys" target=3D"_blank">http://www.team.net/piperm=
ail/healeys</a> <a href=3D"http://autox.team.net/archive" target=3D"_blank">=
http://autox.team.net/archive</a><br><br><a href=3D"mailto:[email-masked]=
m.net" target=3D"_blank">[email-masked]</a><br><a href=3D"http://aut=
ox.team.net/mailman/listinfo/healeys" target=3D"_blank">http://autox.team.ne=
t/mailman/listinfo/healeys</a><br><br>Unsubscribe/Manage: <a href=3D"http://=
autox.team.net/mailman/options/healeys/[email-masked]" target=3D"_b=
lank">http://autox.team.net/mailman/options/healeys/[email-masked]<=
/a><o:p></o:p></p></blockquote></div><p class=3D"MsoNormal"><br clear=3D"all=
"><o:p></o:p></p><div><p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p></div><p c=
lass=3D"MsoNormal">-- <o:p></o:p></p><div><p class=3D"MsoNormal"><span style=
=3D"color:#3333FF">Best--Michael</span><o:p></o:p></p></div></div><span>____=
___________________________________________</span><br><span>Support Team.Net=
 http://www.team.net/donate.html</span><br><span>Suggested annual donation &=
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permail/healeys http://autox.team.net/archive</span><br><span></span><br><sp=
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[email-masked]

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---

From: Simon Lachlan via Healeys <[email-masked]>
Date: Wed, 8 Sep 2021 09:41:52 +0100

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Well, this is all very interesting I=E2=80=99m sure.=20

As for AH 3000 flywheels, they don=E2=80=99t seem to like coming off. =
However, mine=E2=80=99s at the workshop now.=20

I=E2=80=99d always thought that they reduced the weight of a standard =
flywheel by drilling, not that I=E2=80=99d given it a whole load of =
thought. In fact, I=E2=80=99d never even seen a whole flywheel until the =
other day. But, it seems, they skim it off. Getting the dowels out can =
be a trial apparently.

Mine weighed in at 28 and a bit pounds.=20

Simon

=20

From: Healeys <[email-masked]> On Behalf Of John Spaur =
via Healeys
Sent: 08 September 2021 06:14
To: 'Michael Oritt' <[email-masked]>; 'Keith Pennell' =
<[email-masked]>
Cc: [email-masked]
Subject: Re: [Healeys] Lightened flywheels

=20

More nitpicking.

=20

=20

=20

John Spaur

=20

=20

Keith--

=20

=20

Best--Michael Oritt

=20

=20

=20

:)

-----Original Message-----

=20

Best--Michael Oritt =20

=20

Michael,=20

=20

=20

Richard

=20

=20

Read this:  =

=20

Just sayin'

=20

M

=20

=20

=20

Earl Kagna

Victoria BC

BJ8, BT7 tri-carb

=20

=20

=20

=20

=20

Richard  =20

=20

 =

Virus-free.  =

=20

--=20

Best--Michael

=20

--=20

Best--Michael

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<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--></head><body lang=3DEN-GB link=3Dblue =
vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-la=
nguage:EN-US'>Well, this is all very interesting I=E2=80=99m sure. =
<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-la=
nguage:EN-US'>As for AH 3000 flywheels, they don=E2=80=99t seem to like =
coming off. However, mine=E2=80=99s at the workshop now. =
<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-la=
nguage:EN-US'>I=E2=80=99d always thought that they reduced the weight of =
a standard flywheel by drilling, not that I=E2=80=99d given it a whole =
load of thought. In fact, I=E2=80=99d never even seen a whole flywheel =
until the other day. But, it seems, they skim it off. Getting the dowels =
out can be a trial apparently.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-la=
nguage:EN-US'>Mine weighed in at 28 and a bit pounds. =
<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-la=
nguage:EN-US'>Simon<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-la=
nguage:EN-US'><o:p>&nbsp;</o:p></span></p><div><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b><span lang=3DEN-US =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span><=
/b><span lang=3DEN-US =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'> Healeys =
&lt;[email-masked]&gt; <b>On Behalf Of </b>John Spaur =
via Healeys<br><b>Sent:</b> 08 September 2021 06:14<br><b>To:</b> =
'Michael Oritt' &lt;[email-masked]&gt;; 'Keith Pennell' =
&lt;[email-masked]&gt;<br><b>Cc:</b> =
[email-masked]<br><b>Subject:</b> Re: [Healeys] Lightened =
flywheels<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal><span =
lang=3DEN-US =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'=
>More nitpicking.<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US =
><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US =
available.<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US =
><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US =
as we all know lead, is very heavy. Hahaha<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'=
><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US =
>John Spaur<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US =
><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><b><span lang=3DEN-US =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span><=
/b><span lang=3DEN-US =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'> Healeys [<a =
href=3D"mailto:[email-masked]">mailto:healeys-bounces@aut=
ox.team.net</a>] <b>On Behalf Of </b>Michael Oritt<br><b>Sent:</b> =
Tuesday, September 7, 2021 5:40 PM<br><b>To:</b> Keith Pennell &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt;<br><b>Cc:=
</b> <a =
href=3D"mailto:[email-masked]">[email-masked]</a><br><b>S=
ubject:</b> Re: [Healeys] Lightened flywheels<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><div><div><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'color:#3333FF'>Keith--<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'color:#3333FF'><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US style=3D'color:#3333FF'>Right you =
are (and wrong I am) but 6 x 6.3=3D20+/-which is still more than =
5...<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US =
style=3D'color:#3333FF'><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'color:#3333FF'>Best--Michael =
Oritt<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US =
style=3D'color:#3333FF'><o:p>&nbsp;</o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'color:#3333FF'><o:p>&nbsp;</o:p></span></p></div></div><p =
class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><div><div><p =
class=3DMsoNormal><span lang=3DEN-US>On Tue, Sep 7, 2021 at 7:53 PM =
llennep--- via Healeys &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt; =
wrote:<o:p></o:p></span></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm =
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5=
.0pt'><div><p class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>Nit=
picking me here . . .. &nbsp;.. . <o:p></o:p></span></p><div><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>gal=
lon of gasoline weighs a tad over 6 =
lbs<o:p></o:p></span></p></div><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>:)<=
o:p></o:p></span></p><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
class=3DMsoNormal><span lang=3DEN-US =
lang=3DEN-US =
half a tank of fuel&quot;&nbsp;</span></i><i><span lang=3DEN-US =
>&nbsp;</span></i><span lang=3DEN-US =
the l</span><span lang=3DEN-US =
lang=3DEN-US =
><o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US =
><o:p>&nbsp;</o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#3333F=
F'>Best--Michael Oritt&nbsp;&nbsp;</span><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
><o:p></o:p></span></p></div></div><p class=3DMsoNormal><span =
lang=3DEN-US =
id=3D"gmail-m_-6446079295951788294yiv1063698908yqtfd54840"><div><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; =
wrote:<o:p></o:p></span></p></div></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm =
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5=
.0pt'><div =
id=3D"gmail-m_-6446079295951788294yiv1063698908yqtfd20741"><div><div><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>Michael, <o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US =
><o:p>&nbsp;</o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US =
comparing apples to bananas. <o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
><o:p>&nbsp;</o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US =
>Richard<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US =
><o:p>&nbsp;</o:p></span></p></div></div><p class=3DMsoNormal><span =
lang=3DEN-US =
><o:p>&nbsp;</o:p></span></p><div><div><p class=3DMsoNormal><span =
lang=3DEN-US =
href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; =
wrote:<o:p></o:p></span></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm =
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5=
.0pt'><div><p class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
engine moment of inertia is concerned. <o:p></o:p></span></p><div><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
so just how much weight has been removed per se is not =
important.&nbsp;<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
do, if it was you can be assured that manufacturers would be all over it =
as a way to save money.<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
particular the gearbox.<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
class=3DMsoNormal><span lang=3DEN-US =
class=3DMsoNormal><span lang=3DEN-US =
><o:p>&nbsp;</o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US =
>Just sayin'<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US =
><o:p>&nbsp;</o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US =
>M<o:p></o:p></span></p></div></div><p class=3DMsoNormal><span =
lang=3DEN-US =
><o:p>&nbsp;</o:p></span></p><div><div><p class=3DMsoNormal><span =
lang=3DEN-US =
href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; =
wrote:<o:p></o:p></span></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm =
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5=
.0pt'><div><div><div><p class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
class=3DMsoNormal><span lang=3DEN-US =
>&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US =
lang=3DEN-US =
>&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US =
>Earl Kagna<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US =
>Victoria BC<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US =
>BJ8, BT7 tri-carb<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US =
>&nbsp;<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
lang=3DEN-US =
>&nbsp;<o:p></o:p></span></p></div><div =
style=3D'border:none;border-top:solid windowtext 1.0pt;padding:3.0pt 0cm =
0cm 0cm;border-color:currentcolor currentcolor'><div><p =
class=3DMsoNormal><b><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
>From:</span></b><span lang=3DEN-US =
class=3DMsoNormal><span lang=3DEN-US =
>&nbsp;<o:p></o:p></span></p></div><div><div><div><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
pound range. Very aggressive machine work can get the weight down to the =
22-23 pound range. <o:p></o:p></span></p></div></div><div><div><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
lang=3DEN-US =
>&nbsp;<o:p></o:p></span></p></div></div><div><div><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
lang=3DEN-US =
><o:p>&nbsp;</o:p></span></p><table class=3DMsoNormalTable border=3D1 =
cellspacing=3D3 cellpadding=3D0 style=3D'border:none;border-top:solid =
#D3D4DE 1.0pt'><tr><td width=3D55 =
style=3D'width:41.25pt;border:none;padding:9.75pt .75pt .75pt .75pt'><p =
class=3DMsoNormal><a =
href=3D"https://www.avast.com/sig-email?utm_medium=3Demail&amp;utm_source=
=3Dlink&amp;utm_campaign=3Dsig-email&amp;utm_content=3Demailclient" =
target=3D"_blank"><span style=3D'text-decoration:none'><img border=3D0 =
width=3D46 height=3D29 style=3D'width:.4791in;height:.3055in' =
id=3D"_x0000_i1025" =
src=3D"https://ipmcdn.avastcom/images/icons/icon-envelope-tick-round-oran=
ge-animated-no-repeat-v1.gif"></span></a><o:p></o:p></p></td><td =
width=3D470 style=3D'width:352.5pt;border:none;padding:9.0pt .75pt .75pt =
.75pt'><p class=3DMsoNormal style=3D'line-height:13.5pt'><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:#41424E'>V=
irus-free. <a =
href=3D"https://www.avast.com/sig-email?utm_medium=3Demail&amp;utm_source=
=3Dlink&amp;utm_campaign=3Dsig-email&amp;utm_content=3Demailclient" =
target=3D"_blank"><span style=3D'color:#4453EA'>www.avast.com</span></a> =
<o:p></o:p></span></p></td></tr></table></div></div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
/div><p class=3DMsoNormal><span lang=3DEN-US =
style=3D'margin-bottom:12.0pt'><span lang=3DEN-US =
class=3DMsoNormal><span lang=3DEN-US =
><br clear=3Dall><o:p></o:p></span></p><div><p class=3DMsoNormal><span =
lang=3DEN-US =
><o:p>&nbsp;</o:p></span></p></div><p class=3DMsoNormal><span =
lang=3DEN-US =
>-- <o:p></o:p></span></p><div><p class=3DMsoNormal><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#3333F=
F'>Best--Michael</span><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
id=3D"gmail-m_-6446079295951788294yqtfd51460"><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'=
href=3D"http://www.team.net/donate.html" =
target=3D"_blank">http://www.team.net/donate.html</a><br>Suggested =
annual donation&nbsp; $12.75<br><br>Archive: <a =
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--===============7926892066509666827==
Content-Transfer-Encoding: 7bit
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[email-masked]

--===============7926892066509666827==--

---

From: Bob Haskell via Healeys <[email-masked]>
Date: Wed, 8 Sep 2021 05:45:36 -0400

Alan,

Cracking around the engine mount is a pretty common issue, although 
probably not to the point where the engine mount separates from the 
frame.  A 20 year old BT7 I bought in 1980 had cracks around the mounts.

Cheers,

Bob Haskell
Austin Healey 3000 BN7/BT7 registrar

On 9/8/21 4:13 AM, Bluehealey wrote:
> Team.
> Whilst this is an interesting topic and ‘Lightened Flywheel’ may have 
> some bragging rights potential, carrying out this mod does have a down 
> side.
> The reduced flywheel mass creates a more pronounced engine reaction 
> force in the opposite direction.
> I had a BJ8 almost 20 years ago which had a very light flywheel, poor 
> tick over and quick throttle response. It sounded good. However the 
> torque reaction was extreme enough to lift the engine mount tower out 
> of the chassis rails !!
> The cracking in the pics have been highlighted with red sharpie for 
> clarity.
> Enjoy
>
>
> Alan - from my iPad
>
>> On 8 Sep 2021, at 06:16, John Spaur via Healeys 
>> <[email-masked]> wrote:
>>
>> 
>>
>> More nitpicking.
>>
>> The density of gasoline is also determined by its temperature and 
>> chemical makeup. Premium unleaded gasoline has a higher density than 
>> regular unleaded. Ethanol has a higher density than gasoline without 
>> ethanol, so the percentage of ethanol needs to be factored in. 
>> Finally, gasoline is denser at colder temperatures than it is at 
>> higher temperatures. So please, take all of this into account when 
>> determining the fuel weight in your cars based on your location and 
>> the fuel available.
>>
>> I wonder if the lead content of gasoline increases its weight 
>> because, as we all know lead, is very heavy. Hahaha
>>
>> John Spaur
>>
>> *From:*Healeys [mailto:[email-masked]] *On Behalf Of 
>> *Michael Oritt
>> *Sent:* Tuesday, September 7, 2021 5:40 PM
>> *To:* Keith Pennell <[email-masked]>
>> *Cc:* [email-masked]
>> *Subject:* Re: [Healeys] Lightened flywheels
>>
>> Keith--
>>
>> Right you are (and wrong I am) but 6 x 6.3=20+/-which is still more 
>> than 5...
>>
>> Best--Michael Oritt
>>
>> On Tue, Sep 7, 2021 at 7:53 PM llennep--- via Healeys 
>> <[email-masked] <mailto:[email-masked]>> wrote:
>>
>>     From: Michael Oritt via Healeys <[email-masked]
>>     <mailto:[email-masked]>>
>>     To: richard mayor <[email-masked]
>>     <mailto:[email-masked]>>
>>     Cc: healeys <[email-masked] <mailto:[email-masked]>>
>>     I hesitate to nitpick but as to the statement that /"4 to 5
>>     pounds off vehicle weight is really only the equivalent of half a
>>     tank of fuel" ///the last time I looked an AH fuel tank holds
>>     about 12 gallons and since gasoline weighs approximately 7.5 lbs
>>     per gallon half a tank weighs about 45 pounds.  The defense rests....
>>
>>     Best--Michael Oritt
>>
>>     On Tue, Sep 7, 2021 at 6:00 PM richard mayor via Healeys
>>     <[email-masked] <mailto:[email-masked]>> wrote:
>>
>>         Michael,
>>
>>         Comparing the weight of fuel in the gas tank to rotational
>>         mass is like comparing apples to bananas.
>>
>>         Richard
>>
>>         On Tue, Sep 7, 2021 at 2:24 PM Michael Salter
>>         <[email-masked] <mailto:[email-masked]>> wrote:
>>
>>             The total mass of the flywheel is not completely relevant
>>             insofar as engine moment of inertia is concerned.
>>
>>             What is important is the mass removed times the square of
>>             the radius, so just how much weight has been removed per
>>             se is not important.
>>
>>             Secondly removing rotational inertia is not always the
>>             best thing to do, if it was you can be assured that
>>             manufacturers would be all over it as a way to save money.
>>
>>             The rotational mass is often designed in to protect the
>>             drive train, in particular the gearbox.
>>
>>             Read this:
>>             https://www.netbug.net/blogmichael/2017/01/03/austin-healey-100-crank-failures/
>>             <https://www.netbug.net/blogmichael/2017/01/03/austin-healey-100-crank-failures/>
>>
>>             Thirdly lightening a flywheel in of itself has very
>>             little effect on acceleration. An engine with a lightened
>>             flywheel may accelerate to 6000 RPM 1 - 2 seconds more
>>             quickly but that doesn't necessarily equate to 1-2
>>             seconds faster to 60 MPH. You may be able to shift
>>             marginally faster if the gearbox can stand the extra
>>             loads and the 4 to 5 pounds off vehicle weight is really
>>             only the equivalent of half a tank of fuel. (Who ever
>>             notices that their car accelerates more quickly with a
>>             half full gas tank).
>>
>>             Just sayin'
>>
>>             M
>>
>>             On Tue., Sep. 7, 2021, 4:17 p.m. Earl Kagna via Healeys,
>>             <[email-masked] <mailto:[email-masked]>>
>>             wrote:
>>
>>                 I have Bill Bolton lightened flywheels in both my
>>                 Healeys. According to Kent Lambert, who took over
>>                 Bills Healey business awhile back, the stock weight
>>                 (6 cyl) is 28.5 pounds, and Bills machining program
>>                 reduced them to 24.
>>
>>                 Both of my cars run just fine, no problems at all in
>>                 the 20 + or so years that I’ve had them installed.
>>
>>                 Earl Kagna
>>
>>                 Victoria BC
>>
>>                 BJ8, BT7 tri-carb
>>
>>                 *From:*Healeys <[email-masked]
>>                 <mailto:[email-masked]>> *On Behalf
>>                 Of *richard mayor
>>                 *To:* healeys <[email-masked]
>>                 <mailto:[email-masked]>>
>>                 6 cylinder flywheels vary slightly but are all
>>                 generally in the 29 pound range. Very aggressive
>>                 machine work can get the weight down to the 22-23
>>                 pound range.
>>
>>                 How much weight you take off will affect your driving
>>                 style. To maintain the feel of a stock Healey while
>>                 still improving the engines response, I suggest
>>                 removing no more than 3 pounds.
>>
>>                 Richard
>>
>>                 <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient>
>>
>>                 	
>>
>>                 <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient>
>>
>>
>>                 <http://www.team.net/donate.html>
>>                 Archive: http://www.team.net/pipermail/healeys
>>                 <http://autox.team.net/archive>
>>
>>                 [email-masked] <mailto:[email-masked]>
>>                 <http://autox.team.net/mailman/listinfo/healeys>
>>
>>                 Unsubscribe/Manage:
>>                 <http://autox.team.net/mailman/options/healeys/[email-masked]>
>>
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>>         Archive: http://www.team.net/pipermail/healeys
>>         <http://www.team.net/pipermail/healeys>
>>         http://autox.team.net/archive <http://autox.team.net/archive>
>>
>>         [email-masked] <mailto:[email-masked]>
>>         <http://autox.team.net/mailman/listinfo/healeys>
>>
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>>
>>         <http://autox.team.net/mailman/options/healeys/[email-masked]>
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>>
>>     -- 
>>
>>     Best--Michael
>>
>>     <http://www.team.net/donate.html>
>>     Archive: http://www.team.net/pipermail/healeys
>>     <http://www.team.net/pipermail/healeys>http://autox.team.net/archive
>>     <http://autox.team.net/archive>
>>
>>     [email-masked] <mailto:[email-masked]>
>>     <http://autox.team.net/mailman/listinfo/healeys>
>>
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>>     <http://autox.team.net/mailman/options/healeys/[email-masked]>
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>>     Archive: http://www.team.net/pipermail/healeys
>>     <http://www.team.net/pipermail/healeys>
>>     http://autox.team.net/archive <http://autox.team.net/archive>
>>
>>     [email-masked] <mailto:[email-masked]>
>>     <http://autox.team.net/mailman/listinfo/healeys>
>>
>>     Unsubscribe/Manage:
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>>
>> -- 
>>
>> Best--Michael
>>
>> http://autox.team.net/mailman/options/healeys/[email-masked]
>>
>
> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/[email-masked]
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---

From: Roger Grace via Healeys <[email-masked]>
Date: Wed, 8 Sep 2021 10:26:24 -0700

--===============5497567850196981611==

--000000000000256e9905cb7f2fb0
Content-Transfer-Encoding: quoted-printable

I am with M on this one. There is no doubt that where the metal mass is
removed is important. The moment of inertia is proportional to the square
of the radius. I removed 6.8 lbs from my BJ8 one mostly around the
periphery. This is a 23% reduction in weight but must be a higher %
reduction in inertia - perhaps 30% - who knows !
Next issue being discussed is the potential improvements (if any) with this
mod. No doubt  when in neutral the engine will accelerate faster as less
inertia to get moving. Total inertia is engine plus flywheel (ignoring
drive train) inertias. So the relevant fact is the CHANGE/REDUCTION in
total inertia. I have no idea what the engine inertia is.
When the engine torque accelerates the flywheel, and the engine mechanical
components, energy is added to the flywheel. This is proportional to change
in angular velocity (RPM) and Inertia.
So, with a lightened flywheel, less engine torque (energy) is used to
accelerate the flywheel to a new speed and thus more energy (engine output)
is available to accelerate the car.
Very difficult to estimate. - may or may not be insignificant.
So until someone does some bench tests to measure these inertias we will
just have to rely on anecdotes !
On my car the engine now shuts off pronto and no fear of the dreaded
dieseling.
rg

On Tue, Sep 7, 2021 at 6:10 PM Michael Salter <[email-masked]>
wrote:

> Taking weight off the flywheel decreases the amount of horsepower require=
d
> Sure engines with light flywheels sound racey but they aren't more
> powerful.
>
> M
>
>> I should add  one more thing for clarification.  The general rule of
>> thumb for comparing rotational weight to other weight (sprung or unsprun=
g)
>> is 10 to 1.  So, using that rule, 5 pounds of weight removed from
>> rotational mass would equal 50 pounds of fuel. As Michael pointed out.
>> may apply.  But if you remove one pound of material out near the ring ge=
ar
>> lighten a Healey flywheel the place where the meat comes off first is ou=
t
>>> What is important is the mass removed times the square of the radius, s=
o
>>> Secondly removing rotational inertia is not always the best thing to do=
,
>>> if it was you can be assured that manufacturers would be all over it as=
 a
>>> https://www.netbug.net/blogmichael/2017/01/03/austin-healey-100-crank-f=
ailures/
>>> acceleration.  An engine with a lightened flywheel may accelerate to 60=
00
>>> RPM 1 - 2 seconds more quickly but that doesn't necessarily equate to 1=
-2
>>> seconds faster to 60 MPH. You may be able to shift marginally faster if=
 the
>>> gearbox can stand the extra loads and the 4 to 5 pounds off vehicle wei=
ght
>>>> I have Bill Bolton lightened flywheels in both my Healeys.  According
>>>> to Kent Lambert, who took over Bills Healey business awhile back, the =
stock
>>>> weight (6 cyl) is 28.5 pounds, and Bills machining program reduced the=
m to
>>>> *From:* Healeys <[email-masked]> *On Behalf Of *richar=
d
>>>> 6 cylinder flywheels vary slightly but are all generally in the 29
>>>> pound range. Very aggressive machine work can get the weight down to t=
he
>>>> 22-23 pound range.
>>>>
>>>> How much weight you take off will affect your driving style. To
>>>> maintain the feel of a stock Healey while still improving the engines
>>>> response, I suggest removing no more than 3 pounds.
>>>>
>>>>
>>>>
>>>> Richard
>>>>
>>>>
>>>> <https://www.avast.com/sig-email?utm_medium=3Demail&utm_source=3Dlink&=
utm_campaign=3Dsig-email&utm_content=3Demailclient> Virus-free.
>>>> www.avast.com
>>>> <https://www.avast.com/sig-email?utm_medium=3Demail&utm_source=3Dlink&=
utm_campaign=3Dsig-email&utm_content=3Demailclient>
>>>> <#m_-4327506918077947763_m_7168537835214182875_m_573075059829985210_m_=
-5451347567706541358_m_4102748135953362380_m_-1299543942381278781_DAB4FAD8-=
2DD7-40BB-A1B8-4E2AA1F9FDF2>
> http://autox.team.net/mailman/options/healeys/[email-masked]
>
>

--000000000000256e9905cb7f2fb0
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div>I am with M on this one. There is no doubt that where=
 the metal mass is removed is important. The moment of inertia is proportio=
nal to the square of the radius. I removed 6.8 lbs from my BJ8 one mostly a=
round the periphery. This is a 23% reduction in weight but must be a higher=
 % reduction in inertia - perhaps 30% - who knows !</div><div>Next issue be=
ing discussed is the potential improvements (if any) with this mod. No doub=
t=C2=A0 when in neutral the engine will accelerate faster as less inertia t=
o get moving. Total inertia is engine plus flywheel (ignoring drive train) =
inertias. So the relevant fact is the CHANGE/REDUCTION in total inertia. I =
have no idea what the engine inertia is.</div><div>When the engine torque a=
ccelerates the flywheel, and the engine mechanical components, energy is ad=
ded to the flywheel. This is proportional to change in angular velocity (RP=
M) and Inertia. <br></div><div>So, with a lightened flywheel, less engine t=
orque (energy) is used to accelerate the flywheel to a new speed and thus m=
ore energy (engine output) is available to accelerate the car.</div><div>Ve=
ry difficult to estimate. - may or may not be insignificant. <br></div><div=
>So until someone does some bench tests to measure these inertias we will j=
ust have to rely on anecdotes !</div><div>On my car the engine now shuts of=
f pronto and no fear of the dreaded dieseling.</div><div>rg<br></div><div><=
br></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gma=
il_attr">On Tue, Sep 7, 2021 at 6:10 PM Michael Salter &lt;<a href=3D"mailt=
o:[email-masked]" target=3D"_blank">[email-masked]</a>&gt=
; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px=
 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div di=
r=3D"auto">Perhaps another way to look at this question is with respect tp =
engine power.=C2=A0<div dir=3D"auto">It takes a certain amount of horsepowe=
r to accelerate a mass (car) at a certain rate.=C2=A0</div><div dir=3D"auto=
">Taking weight off the flywheel decreases the amount of horsepower require=
d to accelerate the car and for that matter the engine&#39;s speed of rotat=
ion but the change in the amount of horsepower required is very small.</div=
><div dir=3D"auto">Sure engines with light flywheels sound racey but they a=
ren&#39;t more powerful.</div><div dir=3D"auto"><br></div><div dir=3D"auto"=
>M</div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmai=
l_attr">On Tue., Sep. 7, 2021, 6:22 p.m. richard mayor, &lt;<a href=3D"mail=
to:[email-masked]" target=3D"_blank">[email-masked]</a>&gt; w=
rote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0p=
x 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir=
=3D"ltr"><div>I should add=C2=A0 one more thing for clarification.=C2=A0 Th=
e general rule of thumb for comparing rotational weight to other weight (sp=
rung or unsprung) is 10 to 1.=C2=A0 So, using that rule, 5 pounds of weight=
 removed from rotational mass would equal 50 pounds of fuel. As Michael poi=
nted out.</div><div>But, it doesn&#39;t alway work out that way.=C2=A0 If y=
ou removed one pound from the flywheel in the area where the bolt pattern i=
s then the 10 to 1 rule may apply.=C2=A0 But if you remove one pound of mat=
erial out near the ring gear then it is more like a factor of 30 to 1.=C2=
=A0 Any rotational weight removed further away from its axis will have a mu=
ch greater effect. And when you lighten a Healey flywheel the place where t=
he meat comes off first is out near the ring gear.=C2=A0 Removing 3 or 4 po=
unds has a big effect on acceleration.=C2=A0 <br></div></div><br><div class=
=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Tue, Sep 7, 2021 =
at 2:24 PM Michael Salter &lt;<a href=3D"mailto:[email-masked]" re=
l=3D"noreferrer" target=3D"_blank">[email-masked]</a>&gt; wrote:<b=
r></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex=
;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"auto"=
>The total mass of the flywheel is not completely relevant insofar as engin=
e moment of inertia is concerned.<div dir=3D"auto">What is important is the=
 mass removed times the square of the radius, so just how much weight has b=
een removed per se is not important.=C2=A0</div><div dir=3D"auto">Secondly =
removing rotational inertia is not always the best thing to do, if it was y=
ou can be assured that manufacturers would be all over it as a way to save =
money.</div><div dir=3D"auto">The rotational mass is often designed in to p=
rotect the drive train, in particular the gearbox.</div><div dir=3D"auto">R=
ead this:=C2=A0 <a href=3D"https://www.netbug.net/blogmichael/2017/01/03/au=
stin-healey-100-crank-failures/" rel=3D"noreferrer" target=3D"_blank">https=
://www.netbug.net/blogmichael/2017/01/03/austin-healey-100-crank-failures/<=
/a></div><div dir=3D"auto">Thirdly lightening a flywheel in of itself has v=
ery little effect on acceleration.=C2=A0 An engine with a lightened flywhee=
l may accelerate to 6000 RPM 1 - 2 seconds more quickly but that doesn&#39;=
t necessarily equate to 1-2 seconds faster to 60 MPH. You may be able to sh=
ift marginally faster if the gearbox can stand the extra loads and the 4 to=
 5 pounds off vehicle weight is really only the equivalent of half a tank o=
f fuel. (Who ever notices that their car accelerates more quickly with a ha=
lf full gas tank).</div><div dir=3D"auto"><br></div><div dir=3D"auto">Just =
sayin&#39;</div><div dir=3D"auto"><br></div><div dir=3D"auto">M</div></div>=
<br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Tue=
., Sep. 7, 2021, 4:17 p.m. Earl Kagna via Healeys, &lt;<a href=3D"mailto:he=
[email-masked]" rel=3D"noreferrer noreferrer" target=3D"_blank">heale=
[email-masked]</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote"=
 style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);p=
adding-left:1ex"><div lang=3D"EN-US"><div><p class=3D"MsoNormal">I have Bil=
l Bolton lightened flywheels in both my Healeys.=C2=A0 According to Kent La=
mbert, who took over Bills Healey business awhile back, the stock weight (6=
 cyl) is 28.5 pounds, and Bills machining program reduced them to 24.<u></u=
><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoN=
ormal">Both of my cars run just fine, no problems at all in the 20 + or so =
years that I=E2=80=99ve had them installed.<u></u><u></u></p><p class=3D"Ms=
oNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal">Earl Kagna<u></u><u=
></u></p><p class=3D"MsoNormal">Victoria BC<u></u><u></u></p><p class=3D"Ms=
oNormal">BJ8, BT7 tri-carb<u></u><u></u></p><p class=3D"MsoNormal"><u></u>=
=C2=A0<u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D=
"MsoNormal"><u></u>=C2=A0<u></u></p><div style=3D"border-color:rgb(225,225,=
225) currentcolor currentcolor;border-style:solid none none;border-width:1p=
t medium medium;padding:3pt 0in 0in"><p class=3D"MsoNormal"><b>From:</b> He=
aleys &lt;<a href=3D"mailto:[email-masked]" rel=3D"noreferr=
er noreferrer noreferrer" target=3D"_blank">[email-masked]<=
/a>&gt; <b>On Behalf Of </b>richard mayor<br><b>Sent:</b> Tuesday, Septembe=
r 7, 2021 10:23 AM<br><b>To:</b> healeys &lt;<a href=3D"mailto:healeys@auto=
x.team.net" rel=3D"noreferrer noreferrer noreferrer" target=3D"_blank">heal=
[email-masked]</a>&gt;<br><b>Subject:</b> [Healeys] Lightened flywheels=
<u></u><u></u></p></div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><div=
><div><p class=3D"MsoNormal">6 cylinder flywheels vary slightly but are all=
 generally in the 29 pound range. Very aggressive machine work can get the =
weight down to the 22-23 pound range. <u></u><u></u></p></div><div><p class=
=3D"MsoNormal">How much weight you take off will affect your driving style.=
 To maintain the feel of a stock Healey while still improving the engines r=
esponse, I suggest removing no more than 3 pounds. <u></u><u></u></p></div>=
<div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p></div><div><p class=3D"=
MsoNormal">Richard =C2=A0 <u></u><u></u></p></div></div></div><div id=3D"gm=
ail-m_-4327506918077947763gmail-m_7168537835214182875m_573075059829985210gm=
ail-m_-5451347567706541358m_4102748135953362380m_-1299543942381278781DAB4FA=
D8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br>
<table style=3D"border-top:1px solid rgb(211,212,222)">
	<tbody><tr>
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--000000000000256e9905cb7f2fb0--

--===============5497567850196981611==
Content-Transfer-Encoding: 7bit
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[email-masked]

--===============5497567850196981611==--

---

From: Harold Manifold via Healeys <[email-masked]>
Date: Wed, 8 Sep 2021 11:38:20 -0700

--_37C1F72D-FE73-4535-B0AD-6EA92C3DCA2B_
Content-Transfer-Encoding: quoted-printable

<html xmlns:o=3D"urn:schemas-microsoft-com:office:office" xmlns:w=3D"urn:sc=
hemas-microsoft-com:office:word" xmlns:m=3D"http://schemas.microsoft.com/of=
fice/2004/12/omml" xmlns=3D"http://www.w3.org/TR/REC-html40"><head><meta ht=
tp-equiv=3DContent-Type content=3D"text/html; charset=3Dutf-8"><meta name=
=3DGenerator content=3D"Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
	{font-family:"Cambria Math";
	panose-1:2 4 5 3 5 4 6 3 2 4;}
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	{font-family:Calibri;
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/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
	{margin:0in;
	font-size:11.0pt;
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	{size:8.5in 11.0in;
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div.WordSection1
	{page:WordSection1;}
--></style></head><body lang=3DEN-US link=3Dblue vlink=3D"#954F72" style=3D=
'word-wrap:break-word'><div class=3DWordSection1><p class=3DMsoNormal>Here =
is a picture of a fix for cracked engine mounts an experienced Healey resto=
rer recommended for my car. I was advised it is not unusual for cracks to a=
ppear around the engine mounts.</p><p class=3DMsoNormal><o:p>&nbsp;</o:p></=
p><p class=3DMsoNormal>Simon =E2=80=93 you can=E2=80=99t wait until you rem=
ove the engine for this fix!</p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><=
p class=3DMsoNormal>Harold<o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;</=
o:p></p><div style=3D'mso-element:para-border-div;border:none;border-top:so=
lid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=3DMsoNormal style=3D'=
border:none;padding:0in'><b>From: </b><a href=3D"mailto:[email-masked].=
net">Bob Haskell via Healeys</a><br><b>Sent: </b>Wednesday, September 8, 20=
21 2:46 AM<br><b>To: </b><a href=3D"mailto:[email-masked]">Bluehealey=
</a>; <a href=3D"mailto:[email-masked]">Autox Healeys</a><br><b>Sub=
ject: </b>Re: [Healeys] Lightened flywheels</p></div><p class=3DMsoNormal><=
o:p>&nbsp;</o:p></p><p class=3DMsoNormal>Alan,</p><p class=3DMsoNormal><o:p=
>&nbsp;</o:p></p><p class=3DMsoNormal>Cracking around the engine mount is a=
 pretty common issue, although </p><p class=3DMsoNormal>probably not to the=
 point where the engine mount separates from the </p><p class=3DMsoNormal>f=
rame.&nbsp; A 20 year old BT7 I bought in 1980 had cracks around the mounts=
.</p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal>Cheers,=
</p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal>Bob Hask=
ell</p><p class=3DMsoNormal>Austin Healey 3000 BN7/BT7 registrar</p><p clas=
s=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal>On 9/8/21 4:13 AM, =
Bluehealey wrote:</p><p class=3DMsoNormal>&gt; Team.</p><p class=3DMsoNorma=
l>&gt; Whilst this is an interesting topic and =E2=80=98Lightened Flywheel=
=E2=80=99 may have </p><p class=3DMsoNormal>&gt; some bragging rights poten=
tial, carrying out this mod does have a down </p><p class=3DMsoNormal>&gt; =
side.</p><p class=3DMsoNormal>&gt; The reduced flywheel mass creates a more=
 pronounced engine reaction </p><p class=3DMsoNormal>&gt; force in the oppo=
site direction.</p><p class=3DMsoNormal>&gt; I had a BJ8 almost 20 years ag=
o which had a very light flywheel, poor </p><p class=3DMsoNormal>&gt; tick =
over and quick throttle response. It sounded good. However the </p><p class=
=3DMsoNormal>&gt; torque reaction was extreme enough to lift the engine mou=
nt tower out </p><p class=3DMsoNormal>&gt; of the chassis rails !!</p><p cl=
ass=3DMsoNormal>&gt; The cracking in the pics have been highlighted with re=
d sharpie for </p><p class=3DMsoNormal>&gt; clarity.</p><p class=3DMsoNorma=
l>&gt; Enjoy</p><p class=3DMsoNormal>&gt;<o:p>&nbsp;</o:p></p><p class=3DMs=
oNormal>&gt;<o:p>&nbsp;</o:p></p><p class=3DMsoNormal>&gt; Alan - from my i=
Pad</p><p class=3DMsoNormal>&gt;<o:p>&nbsp;</o:p></p><p class=3DMsoNormal>&=
gt;&gt; On 8 Sep 2021, at 06:16, John Spaur via Healeys </p><p class=3DMsoN=
ormal>&gt;&gt; &lt;[email-masked]&gt; wrote:</p><p class=3DMsoNorma=
l>&gt;&gt;<o:p>&nbsp;</o:p></p><p class=3DMsoNormal>&gt;&gt; =EF=BB=BF</p><=
p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p><p class=3DMsoNormal>&gt;&=
gt; More nitpicking.</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p><=
p class=3DMsoNormal>&gt;&gt; The density of gasoline is also determined by =
its temperature and </p><p class=3DMsoNormal>&gt;&gt; chemical makeup. Prem=
ium unleaded gasoline has a higher density than </p><p class=3DMsoNormal>&g=
t;&gt; regular unleaded. Ethanol has a higher density than gasoline without=
 </p><p class=3DMsoNormal>&gt;&gt; ethanol, so the percentage of ethanol ne=
eds to be factored in. </p><p class=3DMsoNormal>&gt;&gt; Finally, gasoline =
is denser at colder temperatures than it is at </p><p class=3DMsoNormal>&gt=
;&gt; higher temperatures. So please, take all of this into account when </=
p><p class=3DMsoNormal>&gt;&gt; determining the fuel weight in your cars ba=
sed on your location and </p><p class=3DMsoNormal>&gt;&gt; the fuel availab=
le.</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p><p class=3DMsoNorm=
al>&gt;&gt; I wonder if the lead content of gasoline increases its weight <=
/p><p class=3DMsoNormal>&gt;&gt; because, as we all know lead, is very heav=
y. Hahaha</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p><p class=3DM=
soNormal>&gt;&gt; John Spaur</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o=
:p></p><p class=3DMsoNormal>&gt;&gt; *From:*Healeys [mailto:healeys-bounces=
@autox.team.net] *On Behalf Of </p><p class=3DMsoNormal>&gt;&gt; *Michael O=
ritt</p><p class=3DMsoNormal>&gt;&gt; *Sent:* Tuesday, September 7, 2021 5:=
40 PM</p><p class=3DMsoNormal>&gt;&gt; *To:* Keith Pennell &lt;llennep@veri=
zon.net&gt;</p><p class=3DMsoNormal>&gt;&gt; *Cc:* [email-masked]</=
p><p class=3DMsoNormal>&gt;&gt; *Subject:* Re: [Healeys] Lightened flywheel=
s</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p><p class=3DMsoNormal=
>&gt;&gt; Keith--</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p><p c=
lass=3DMsoNormal>&gt;&gt; Right you are (and wrong I am) but 6 x 6.3=3D20+/=
-which is still more </p><p class=3DMsoNormal>&gt;&gt; than 5...</p><p clas=
s=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p><p class=3DMsoNormal>&gt;&gt; Be=
st--Michael Oritt</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p><p c=
lass=3DMsoNormal>&gt;&gt; On Tue, Sep 7, 2021 at 7:53 PM llennep--- via Hea=
leys </p><p class=3DMsoNormal>&gt;&gt; &lt;[email-masked] &lt;mailt=
o:[email-masked]&gt;&gt; wrote:</p><p class=3DMsoNormal>&gt;&gt;<o:=
p>&nbsp;</o:p></p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 Nit=
picking me here . . .. &nbsp;.. .</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbs=
p;</o:p></p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 gallon of=
 gasoline weighs a tad over 6 lbs</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbs=
p;</o:p></p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 :)</p><p =
class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p><p class=3DMsoNormal>&gt;&gt=
;=C2=A0=C2=A0=C2=A0=C2=A0 -----Original Message-----</p><p class=3DMsoNorma=
l>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 From: Michael Oritt via Healeys &lt;heal=
[email-masked]</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=
 &lt;mailto:[email-masked]&gt;&gt;</p><p class=3DMsoNormal>&gt;&gt;=
=C2=A0=C2=A0=C2=A0=C2=A0 To: richard mayor &lt;[email-masked]</p><p =
class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 &lt;mailto:boyracer466@g=
mail.com&gt;&gt;</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 C=
c: healeys &lt;[email-masked] &lt;mailto:[email-masked]&gt;=
&gt;</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 Sent: Tue, Se=
p 7, 2021 7:40 pm</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 =
Subject: Re: [Healeys] Lightened flywheels</p><p class=3DMsoNormal>&gt;&gt;=
<o:p>&nbsp;</o:p></p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 =
I hesitate to nitpick but as to the statement that /&quot;4 to 5</p><p clas=
s=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 pounds off vehicle weight is=
 really only the equivalent of half a</p><p class=3DMsoNormal>&gt;&gt;=C2=
=A0=C2=A0=C2=A0=C2=A0 tank of fuel&quot; ///the last time I looked an AH fu=
el tank holds</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 abou=
t 12 gallons and since gasoline weighs approximately 7.5 lbs</p><p class=3D=
MsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 per gallon half a tank weighs ab=
out 45 pounds.&nbsp;&nbsp;The defense rests....</p><p class=3DMsoNormal>&gt=
;&gt;<o:p>&nbsp;</o:p></p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=
=C2=A0 Best--Michael Oritt</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p=
></p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 On Tue, Sep 7, 2=
021 at 6:00 PM richard mayor via Healeys</p><p class=3DMsoNormal>&gt;&gt;=
=C2=A0=C2=A0=C2=A0=C2=A0 &lt;[email-masked] &lt;mailto:healeys@auto=
x.team.net&gt;&gt; wrote:</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p>=
</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0 Michael,</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p><p cla=
ss=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Com=
paring the weight of fuel in the gas tank to rotational</p><p class=3DMsoNo=
rmal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 mass is like =
comparing apples to bananas.</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o=
:p></p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0 Richard</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p><p c=
lass=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 O=
n Tue, Sep 7, 2021 at 2:24 PM Michael Salter</p><p class=3DMsoNormal>&gt;&g=
t;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 &lt;michaelsalter@gmail.=
com &lt;mailto:[email-masked]&gt;&gt; wrote:</p><p class=3DMsoNorm=
al>&gt;&gt;<o:p>&nbsp;</o:p></p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 The total mass=
 of the flywheel is not completely relevant</p><p class=3DMsoNormal>&gt;&gt=
;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 i=
nsofar as engine moment of inertia is concerned.</p><p class=3DMsoNormal>&g=
t;&gt;<o:p>&nbsp;</o:p></p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 What is important is=
 the mass removed times the square of</p><p class=3DMsoNormal>&gt;&gt;=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 the r=
adius, so just how much weight has been removed per</p><p class=3DMsoNormal=
>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0 se is not important.</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:=
p></p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Secondly removing rotational inertia is n=
ot always the</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 best thing to do, if it was y=
ou can be assured that</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 manufacturers would =
be all over it as a way to save money.</p><p class=3DMsoNormal>&gt;&gt;<o:p=
>&nbsp;</o:p></p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 The rotational mass is often =
designed in to protect the</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 drive train, in p=
articular the gearbox.</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p=
><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0 Read this:</p><p class=3DMsoNormal>&gt;&gt;=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 https=
://www.netbug.net/blogmichael/2017/01/03/austin-healey-100-crank-failures/<=
/p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 &lt;https://www.netbug.net/blogmichael/2017/=
01/03/austin-healey-100-crank-failures/&gt;</p><p class=3DMsoNormal>&gt;&gt=
;<o:p>&nbsp;</o:p></p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Thirdly lightening a flywh=
eel in of itself has very</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 little effect on =
acceleration. An engine with a lightened</p><p class=3DMsoNormal>&gt;&gt;=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 fl=
ywheel may accelerate to 6000 RPM 1 - 2 seconds more</p><p class=3DMsoNorma=
l>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0 quickly but that doesn't necessarily equate to 1-2</p><p class=3D=
MsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0 seconds faster to 60 MPH. You may be able to shift</p><p cl=
ass=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0 marginally faster if the gearbox can stand the extra<=
/p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 loads and the 4 to 5 pounds off vehicle weig=
ht is really</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 only the equivalent of half a ta=
nk of fuel. (Who ever</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 notices that their car =
accelerates more quickly with a</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 half full g=
as tank).</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p><p class=3DM=
soNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0Just sayin'</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p=
></p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 M</p><p class=3DMsoNormal>&gt;&gt;<o:p>&n=
bsp;</o:p></p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 On Tue., Sep. 7, 2021, 4:17 p.m.=
 Earl Kagna via Healeys,</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 &lt;[email-masked]=
am.net &lt;mailto:[email-masked]&gt;&gt;</p><p class=3DMsoNormal>&g=
t;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0 wrote:</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p><p class=3D=
MsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 I have Bill Bolton lightened flywhe=
els in both my</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Heale=
ys. According to Kent Lambert, who took over</p><p class=3DMsoNormal>&gt;&g=
t;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0 Bills Healey business awhile back, the stock weigh=
t</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 (6 cyl) is 28.5 p=
ounds, and Bills machining program</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0 reduced them to 24.</p><p class=3DMsoNormal>&gt;&gt;<o:p>&n=
bsp;</o:p></p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Both of =
my cars run just fine, no problems at all in</p><p class=3DMsoNormal>&gt;&g=
t;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0 the 20 + or so years that I=E2=80=99ve had them in=
stalled.</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p><p class=3DMs=
oNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Earl Kagna</p><p class=3DMsoNormal>=
&gt;&gt;<o:p>&nbsp;</o:p></p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0 Victoria BC</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 BJ8, BT7 tri-carb</p><p cl=
ass=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p><p class=3DMsoNormal>&gt;&gt;=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0 *From:*Healeys &lt;[email-masked]</p>=
<p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 &lt;mailto:healeys-boun=
[email-masked]&gt;&gt; *On Behalf</p><p class=3DMsoNormal>&gt;&gt;=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 Of *richard mayor</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0*Sent:* Tuesday, September 7, 2021 10:23 AM</p><p class=
=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 *To:* healeys &lt;healeys@autox.=
team.net</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 &lt;mailto:=
[email-masked]&gt;&gt;</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0 *Subject:* [Healeys] Lightened flywheels</p><p class=3DMsoNormal>=
&gt;&gt;<o:p>&nbsp;</o:p></p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0 6 cylinder flywheels vary slightly but are all</p><p class=3DMsoNorm=
al>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 generally in the 29 pound range. Very agg=
ressive</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 machine wor=
k can get the weight down to the 22-23</p><p class=3DMsoNormal>&gt;&gt;=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 pound range.</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;=
</o:p></p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 How much weigh=
t you take off will affect your driving</p><p class=3DMsoNormal>&gt;&gt;=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 style. To maintain the feel of a stock Healey while</p><=
p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 still improving the eng=
ines response, I suggest</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0 removing no more than 3 pounds.</p><p class=3DMsoNormal>&gt;&gt;<o:p>&n=
bsp;</o:p></p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Richard<=
/p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p><p class=3DMsoNormal>&=
gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 &lt;https://www.avast.com/sig-email?utm_medi=
um=3Demail&amp;utm_source=3Dlink&amp;utm_campaign=3Dsig-email&amp;utm_conte=
nt=3Demailclient&gt;</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p><=
p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0 </p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p=
><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Virus-free. www.avast.c=
om</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 &lt;https://www.a=
vast.com/sig-email?utm_medium=3Demail&amp;utm_source=3Dlink&amp;utm_campaig=
n=3Dsig-email&amp;utm_content=3Demailclient&gt;</p><p class=3DMsoNormal>&gt=
;&gt;<o:p>&nbsp;</o:p></p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p=
><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 _______________________=
________________________</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0 Support Team.Net http://www.team.net/donate.html</p><p class=3DMsoNorma=
l>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 &lt;http://www.team.net/donate.html&gt;</=
p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Suggested annual don=
ation $12.75</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p><p class=
=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Archive: http://www.team.net/pip=
ermail/healeys</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 &lt;h=
ttp://www.team.net/pipermail/healeys&gt;</p><p class=3DMsoNormal>&gt;&gt;=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0 http://autox.team.net/archive</p><p class=3DMsoNormal=
>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0&lt;http://autox.team.net/archive&gt;</p><=
p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p><p class=3DMsoNormal>&gt;&=
gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0 [email-masked] &lt;mailto:[email-masked]=
am.net&gt;</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 http://a=
utox.team.net/mailman/listinfo/healeys</p><p class=3DMsoNormal>&gt;&gt;=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 &lt;http://autox.team.net/mailman/listinfo/healeys&gt;</=
p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p><p class=3DMsoNormal>&g=
t;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0 Unsubscribe/Manage:</p><p class=3DMsoNormal>&gt=
;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0 http://autox.team.net/mailman/options/healeys/m=
[email-masked]</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0 &lt;http://autox.team.net/mailman/options/healeys/[email-masked]=
om&gt;</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nbsp;</o:p></p><p class=3DMsoN=
ormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ____________=
___________________________________</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Support Team.Net http://www.team=
.net/donate.html</p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0 &lt;http://www.team.net/donate.html&gt;</p><p clas=
s=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Sugg=
ested annual donation&nbsp; $12.75</p><p class=3DMsoNormal>&gt;&gt;<o:p>&nb=
sp;</o:p></p><p class=3DMsoNormal>&gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0 Archive: http://www.team.net/pipermail/healeys</p><p class=
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[email-masked]

--_37C1F72D-FE73-4535-B0AD-6EA92C3DCA2B_--

---

From: Bob Haskell via Healeys <[email-masked]>
Date: Wed, 8 Sep 2021 16:21:52 -0400

Something similar was done on the rally cars.  Now, where would I have 
learned that? Hmm.

Cheers,

Bob Haskell

On 9/8/21 2:38 PM, Harold Manifold wrote:
>
> Here is a picture of a fix for cracked engine mounts an experienced 
> Healey restorer recommended for my car. I was advised it is not 
> unusual for cracks to appear around the engine mounts.
>
> Simon – you can’t wait until you remove the engine for this fix!
>
> Harold
>
> *From: *Bob Haskell via Healeys <mailto:[email-masked]>
> *Sent: *Wednesday, September 8, 2021 2:46 AM
> *To: *Bluehealey <mailto:[email-masked]>; Autox Healeys 
> <mailto:[email-masked]>
> *Subject: *Re: [Healeys] Lightened flywheels
>
> Alan,
>
> http://autox.team.net/mailman/options/healeys/[email-masked]
>
> >
>
> http://autox.team.net/mailman/options/healeys/[email-masked]
>

[email-masked]

---

From: Michael Salter <[email-masked]>
Date: Wed, 8 Sep 2021 16:36:49 -0400

--===============3020228973367018630==

--00000000000023eafb05cb81d899
Content-Transfer-Encoding: quoted-printable

That's exactly how the factory did the 100S mounts. Obviously a "known"
issue.

M

On Wed., Sep. 8, 2021, 4:22 p.m. Bob Haskell via Healeys, <
[email-masked]> wrote:

> > Simon =E2=80=93 you can=E2=80=99t wait until you remove the engine for =
this fix!
> > frame.  A 20 year old BT7 I bought in 1980 had cracks around the mounts=
.
> > > Whilst this is an interesting topic and =E2=80=98Lightened Flywheel=
=E2=80=99 may have
> >
> > > some bragging rights potential, carrying out this mod does have a dow=
n
> > >> Right you are (and wrong I am) but 6 x 6.3=3D20+/-which is still mor=
e
> > >>     Cc: healeys <[email-masked]
> >
> > >>     pounds off vehicle weight is really only the equivalent of half =
a
> > >>             The total mass of the flywheel is not completely relevan=
t
> > >>             What is important is the mass removed times the square o=
f
> > >>             manufacturers would be all over it as a way to save mone=
y.
lures/
> > <
lures/
> > >>             little effect on acceleration. An engine with a lightene=
d
> > >>                 the 20 + or so years that I=E2=80=99ve had them inst=
alled.
> > >>                 How much weight you take off will affect your drivin=
g
> > <
> https://www.avast.com/sig-email?utm_medium=3Demail&utm_source=3Dlink&utm_=
campaign=3Dsig-email&utm_content=3Demailclient
> > <
> https://www.avast.com/sig-email?utm_medium=3Demail&utm_source=3Dlink&utm_=
campaign=3Dsig-email&utm_content=3Demailclient
> > >> http://autox.team.net/mailman/options/healeys/[email-masked]=
m
> >
> > >> <
> http://autox.team.net/mailman/options/healeys/[email-masked]>
> >
> > >>
> >
> > >> http://autox.team.net/mailman/options/healeys/[email-masked]=
m
> >
> > >> <
> http://autox.team.net/mailman/options/healeys/[email-masked]>
> >
> > >>
> >
> > >>
> >
> > >>     --
> >
> > >>
> >
> > >>     Best--Michael
> >
> > >>
> >
> > >> http://autox.team.net/mailman/options/healeys/[email-masked]=
m
> >
> > >> <
> http://autox.team.net/mailman/options/healeys/[email-masked]>
> >
> > >>
> >
> > >>
> >
> > >> --
> >
> > >>
> >
> > >> Best--Michael
> >
> > >>
> >

--00000000000023eafb05cb81d899
Content-Transfer-Encoding: quoted-printable

<div dir=3D"auto">That&#39;s exactly how the factory did the 100S mounts. O=
bviously a &quot;known&quot; issue.<div dir=3D"auto"><br></div><div dir=3D"=
auto">M</div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D=
"gmail_attr">On Wed., Sep. 8, 2021, 4:22 p.m. Bob Haskell via Healeys, &lt;=
<a href=3D"mailto:[email-masked]">[email-masked]</a>&gt; wr=
ote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;=
border-left:1px #ccc solid;padding-left:1ex">Something similar was done on =
the rally cars.=C2=A0 Now, where would I have <br>
learned that? Hmm.<br>
<br>
Cheers,<br>
<br>
Bob Haskell<br>
Austin Healey 3000 BN7/BT7 registrar<br>
<br>
On 9/8/21 2:38 PM, Harold Manifold wrote:<br>
&gt;<br>
&gt; Here is a picture of a fix for cracked engine mounts an experienced <b=
r>
&gt; Healey restorer recommended for my car. I was advised it is not <br>
&gt; unusual for cracks to appear around the engine mounts.<br>
&gt;<br>
&gt; Simon =E2=80=93 you can=E2=80=99t wait until you remove the engine for=
 this fix!<br>
&gt;<br>
&gt; Harold<br>
&gt;<br>
&gt; *From: *Bob Haskell via Healeys &lt;mailto:<a href=3D"mailto:healeys@a=
utox.team.net" target=3D"_blank" rel=3D"noreferrer">[email-masked]<=
/a>&gt;<br>
&gt; *Sent: *Wednesday, September 8, 2021 2:46 AM<br>
&gt; *To: *Bluehealey &lt;mailto:<a href=3D"mailto:[email-masked]" ta=
rget=3D"_blank" rel=3D"noreferrer">[email-masked]</a>&gt;; Autox Heal=
eys <br>
&gt; &lt;mailto:<a href=3D"mailto:[email-masked]" target=3D"_blank"=
 rel=3D"noreferrer">[email-masked]</a>&gt;<br>
&gt; *Subject: *Re: [Healeys] Lightened flywheels<br>
&gt;<br>
&gt; Alan,<br>
&gt;<br>
&gt; Cracking around the engine mount is a pretty common issue, although<br=
&gt;<br>
&gt; probably not to the point where the engine mount separates from the<br=
&gt;<br>
&gt; frame.=C2=A0 A 20 year old BT7 I bought in 1980 had cracks around the =
mounts.<br>
&gt;<br>
&gt; Cheers,<br>
&gt;<br>
&gt; Bob Haskell<br>
&gt;<br>
&gt; Austin Healey 3000 BN7/BT7 registrar<br>
&gt;<br>
&gt; On 9/8/21 4:13 AM, Bluehealey wrote:<br>
&gt;<br>
&gt; &gt; Team.<br>
&gt;<br>
&gt; &gt; Whilst this is an interesting topic and =E2=80=98Lightened Flywhe=
el=E2=80=99 may have<br>
&gt;<br>
&gt; &gt; some bragging rights potential, carrying out this mod does have a=
 down<br>
&gt;<br>
&gt; &gt; side.<br>
&gt;<br>
&gt; &gt; The reduced flywheel mass creates a more pronounced engine reacti=
on<br>
&gt;<br>
&gt; &gt; force in the opposite direction.<br>
&gt;<br>
&gt; &gt; I had a BJ8 almost 20 years ago which had a very light flywheel, =
poor<br>
&gt;<br>
&gt; &gt; tick over and quick throttle response. It sounded good. However t=
he<br>
&gt;<br>
&gt; &gt; torque reaction was extreme enough to lift the engine mount tower=
 out<br>
&gt;<br>
&gt; &gt; of the chassis rails !!<br>
&gt;<br>
&gt; &gt; The cracking in the pics have been highlighted with red sharpie f=
or<br>
&gt;<br>
&gt; &gt; clarity.<br>
&gt;<br>
&gt; &gt; Enjoy<br>
&gt;<br>
&gt; &gt;<br>
&gt;<br>
&gt; &gt;<br>
&gt;<br>
&gt; &gt; Alan - from my iPad<br>
&gt;<br>
&gt; &gt;<br>
&gt;<br>
&gt; &gt;&gt; On 8 Sep 2021, at 06:16, John Spaur via Healeys<br>
&gt;<br>
&gt; &gt;&gt; &lt;<a href=3D"mailto:[email-masked]" target=3D"_blan=
k" rel=3D"noreferrer">[email-masked]</a>&gt; wrote:<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt; =EF=BB=BF<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt; More nitpicking.<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt; The density of gasoline is also determined by its temperature=
 and<br>
&gt;<br>
&gt; &gt;&gt; chemical makeup. Premium unleaded gasoline has a higher densi=
ty than<br>
&gt;<br>
&gt; &gt;&gt; regular unleaded. Ethanol has a higher density than gasoline =
without<br>
&gt;<br>
&gt; &gt;&gt; ethanol, so the percentage of ethanol needs to be factored in=
.<br>
&gt;<br>
&gt; &gt;&gt; Finally, gasoline is denser at colder temperatures than it is=
 at<br>
&gt;<br>
&gt; &gt;&gt; higher temperatures. So please, take all of this into account=
 when<br>
&gt;<br>
&gt; &gt;&gt; determining the fuel weight in your cars based on your locati=
on and<br>
&gt;<br>
&gt; &gt;&gt; the fuel available.<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt; I wonder if the lead content of gasoline increases its weight=
<br>
&gt;<br>
&gt; &gt;&gt; because, as we all know lead, is very heavy. Hahaha<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt; John Spaur<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt; *From:*Healeys [mailto:<a href=3D"mailto:healeys-bounces@auto=
x.team.net" target=3D"_blank" rel=3D"noreferrer">[email-masked]=
.net</a>] *On Behalf Of<br>
&gt;<br>
&gt; &gt;&gt; *Michael Oritt<br>
&gt;<br>
&gt; &gt;&gt; *Sent:* Tuesday, September 7, 2021 5:40 PM<br>
&gt;<br>
&gt; &gt;&gt; *To:* Keith Pennell &lt;<a href=3D"mailto:[email-masked]=
" target=3D"_blank" rel=3D"noreferrer">[email-masked]</a>&gt;<br>
&gt;<br>
&gt; &gt;&gt; *Cc:* <a href=3D"mailto:[email-masked]" target=3D"_bl=
ank" rel=3D"noreferrer">[email-masked]</a><br>
&gt;<br>
&gt; &gt;&gt; *Subject:* Re: [Healeys] Lightened flywheels<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt; Keith--<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt; Right you are (and wrong I am) but 6 x 6.3=3D20+/-which is st=
ill more<br>
&gt;<br>
&gt; &gt;&gt; than 5...<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt; Best--Michael Oritt<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt; On Tue, Sep 7, 2021 at 7:53 PM llennep--- via Healeys<br>
&gt;<br>
&gt; &gt;&gt; &lt;<a href=3D"mailto:[email-masked]" target=3D"_blan=
k" rel=3D"noreferrer">[email-masked]</a> &lt;mailto:<a href=3D"mail=
to:[email-masked]" target=3D"_blank" rel=3D"noreferrer">healeys@aut=
ox.team.net</a>&gt;&gt; wrote:<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 Nitpicking me here . . .. =C2=A0.. .<=
br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 gallon of gasoline weighs a tad over =
6 lbs<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 :)<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 -----Original Message-----<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 From: Michael Oritt via Healeys &lt;<=
a href=3D"mailto:[email-masked]" target=3D"_blank" rel=3D"noreferre=
r">[email-masked]</a><br>
&gt;<br>
&gt; &gt;&gt; &lt;mailto:<a href=3D"mailto:[email-masked]" target=
=3D"_blank" rel=3D"noreferrer">[email-masked]</a>&gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 To: richard mayor &lt;<a href=3D"mail=
to:[email-masked]" target=3D"_blank" rel=3D"noreferrer">boyracer466@=
gmail.com</a><br>
&gt;<br>
&gt; &gt;&gt; &lt;mailto:<a href=3D"mailto:[email-masked]" target=3D=
"_blank" rel=3D"noreferrer">[email-masked]</a>&gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 Cc: healeys &lt;<a href=3D"mailto:hea=
[email-masked]" target=3D"_blank" rel=3D"noreferrer">[email-masked]=
m.net</a> <br>
&gt; &lt;mailto:<a href=3D"mailto:[email-masked]" target=3D"_blank"=
 rel=3D"noreferrer">[email-masked]</a>&gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 Sent: Tue, Sep 7, 2021 7:40 pm<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 Subject: Re: [Healeys] Lightened flyw=
heels<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 I hesitate to nitpick but as to the s=
tatement that /&quot;4 to 5<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 pounds off vehicle weight is really o=
nly the equivalent of half a<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 tank of fuel&quot; ///the last time I=
 looked an AH fuel tank holds<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 about 12 gallons and since gasoline w=
eighs approximately 7.5 lbs<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 per gallon half a tank weighs about 4=
5 pounds.=C2=A0=C2=A0The defense <br>
&gt; rests....<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 Best--Michael Oritt<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 On Tue, Sep 7, 2021 at 6:00 PM richar=
d mayor via Healeys<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 &lt;<a href=3D"mailto:[email-masked]=
eam.net" target=3D"_blank" rel=3D"noreferrer">[email-masked]</a> &l=
t;mailto:<a href=3D"mailto:[email-masked]" target=3D"_blank" rel=3D=
"noreferrer">[email-masked]</a>&gt;&gt; wrote:<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Michael,<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Comparing the=
 weight of fuel in the gas tank to rotational<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 mass is like =
comparing apples to bananas.<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Richard<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 On Tue, Sep 7=
, 2021 at 2:24 PM Michael Salter<br>
&gt;<br>
&gt; &gt;&gt; &lt;<a href=3D"mailto:[email-masked]" target=3D"_bla=
nk" rel=3D"noreferrer">[email-masked]</a> &lt;mailto:<a href=3D"ma=
ilto:[email-masked]" target=3D"_blank" rel=3D"noreferrer">michaels=
[email-masked]</a>&gt;&gt; wrote:<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 The total mass of the flywheel is not completely relevant<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 insofar as engine moment of inertia is concerned.<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 What is important is the mass removed times the square of<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 the radius, so just how much weight has been removed per<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 se is not important.<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 Secondly removing rotational inertia is not always the<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 best thing to do, if it was you can be assured that<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 manufacturers would be all over it as a way to save money.<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 The rotational mass is often designed in to protect the<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 drive train, in particular the gearbox.<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 Read this:<br>
&gt;<br>
&gt; &gt;&gt; <br>
&gt; <a href=3D"https://www.netbug.net/blogmichael/2017/01/03/austin-healey=
-100-crank-failures/" rel=3D"noreferrer noreferrer" target=3D"_blank">https=
://www.netbug.net/blogmichael/2017/01/03/austin-healey-100-crank-failures/<=
/a><br>
&gt;<br>
&gt; &gt;&gt; <br>
&gt; &lt;<a href=3D"https://www.netbug.net/blogmichael/2017/01/03/austin-he=
aley-100-crank-failures/" rel=3D"noreferrer noreferrer" target=3D"_blank">h=
ttps://www.netbug.net/blogmichael/2017/01/03/austin-healey-100-crank-failur=
es/</a>&gt;<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 Thirdly lightening a flywheel in of itself has very<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 little effect on acceleration. An engine with a lightened<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 flywheel may accelerate to 6000 RPM 1 - 2 seconds more<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 quickly but that doesn&#39;t necessarily equate to 1-2<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 seconds faster to 60 MPH. You may be able to shift<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 marginally faster if the gearbox can stand the extra<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 loads and the 4 to 5 pounds off vehicle weight is really<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 only the equivalent of half a tank of fuel. (Who ever<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 notices that their car accelerates more quickly with a<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 half full gas tank).<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0Just sayin&#39;<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 M<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 On Tue., Sep. 7, 2021, 4:17 p.m. Earl Kagna via Healeys,<br>
&gt;<br>
&gt; &gt;&gt; &lt;<a href=3D"mailto:[email-masked]" target=3D"_blan=
k" rel=3D"noreferrer">[email-masked]</a> &lt;mailto:<a href=3D"mail=
to:[email-masked]" target=3D"_blank" rel=3D"noreferrer">healeys@aut=
ox.team.net</a>&gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 wrote:<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 I have Bill Bolton lightened flywheels=
 in both my<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Healeys. According to Kent Lambert, wh=
o took over<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Bills Healey business awhile back, the=
 stock weight<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 (6 cyl) is 28.5 pounds, and Bills mach=
ining program<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 reduced them to 24.<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Both of my cars run just fine, no prob=
lems at all in<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 the 20 + or so years that I=E2=80=99ve=
 had them installed.<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Earl Kagna<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Victoria BC<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 BJ8, BT7 tri-carb<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 *From:*Healeys &lt;<a href=3D"mailto:h=
[email-masked]" target=3D"_blank" rel=3D"noreferrer">healeys=
[email-masked]</a><br>
&gt;<br>
&gt; &gt;&gt; &lt;mailto:<a href=3D"mailto:[email-masked]" =
target=3D"_blank" rel=3D"noreferrer">[email-masked]</a>&gt;=
&gt; *On Behalf<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Of *richard mayor<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0*Sent:* Tuesday, September 7, 2021 10:2=
3 AM<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 *To:* healeys &lt;<a href=3D"mailto:he=
[email-masked]" target=3D"_blank" rel=3D"noreferrer">[email-masked]=
am.net</a><br>
&gt;<br>
&gt; &gt;&gt; &lt;mailto:<a href=3D"mailto:[email-masked]" target=
=3D"_blank" rel=3D"noreferrer">[email-masked]</a>&gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 *Subject:* [Healeys] Lightened flywhee=
ls<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 6 cylinder flywheels vary slightly but=
 are all<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 generally in the 29 pound range. Very =
aggressive<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 machine work can get the weight down t=
o the 22-23<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 pound range.<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 How much weight you take off will affe=
ct your driving<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 style. To maintain the feel of a stock=
 Healey while<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 still improving the engines response, =
I suggest<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 removing no more than 3 pounds.<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Richard<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt; <br>
&gt; &lt;<a href=3D"https://www.avast.com/sig-email?utm_medium=3Demail&amp;=
utm_source=3Dlink&amp;utm_campaign=3Dsig-email&amp;utm_content=3Demailclien=
t" rel=3D"noreferrer noreferrer" target=3D"_blank">https://www.avast.com/si=
g-email?utm_medium=3Demail&amp;utm_source=3Dlink&amp;utm_campaign=3Dsig-ema=
il&amp;utm_content=3Demailclient</a>&gt;<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Virus-free. <a href=3D"http://www.avas=
t.com" rel=3D"noreferrer noreferrer" target=3D"_blank">www.avast.com</a><br=
&gt;<br>
&gt; &gt;&gt; <br>
&gt; &lt;<a href=3D"https://www.avast.com/sig-email?utm_medium=3Demail&amp;=
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&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt; _______________________________________________<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
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=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Suggested annual donation $12.75<br>
&gt;<br>
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&gt; &gt;&gt; Unsubscribe/Manage:<br>
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<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt; _______________________________________________<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Support Team.=
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rrer noreferrer" target=3D"_blank">http://www.team.net/donate.html</a>&gt;<=
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&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Suggested ann=
ual donation $12.75<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Archive: <a h=
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&gt;<br>
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ilto:[email-masked]" target=3D"_blank" rel=3D"noreferrer">Healeys@a=
utox.team.net</a> &lt;mailto:<a href=3D"mailto:[email-masked]" targ=
et=3D"_blank" rel=3D"noreferrer">[email-masked]</a>&gt;<br>
&gt;<br>
&gt; &gt;&gt; =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0<a href=3D"http://autox.t=
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&gt;<br>
&gt; &gt;&gt; &lt;<a href=3D"http://autox.team.net/mailman/listinfo/healeys=
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lman/listinfo/healeys</a>&gt;<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Unsubscribe/M=
anage:<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt; <a href=3D"http://autox.team.net/mailman/options/healeys/mich=
[email-masked]" rel=3D"noreferrer noreferrer" target=3D"_blank">http:/=
/autox.team.net/mailman/options/healeys/[email-masked]</a><br>
&gt;<br>
&gt; &gt;&gt; &lt;<a href=3D"http://autox.team.net/mailman/options/healeys/=
[email-masked]" rel=3D"noreferrer noreferrer" target=3D"_blank">ht=
tp://autox.team.net/mailman/options/healeys/[email-masked]</a>&gt;=
<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 --<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 Best--Michael<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt; _______________________________________________<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 Support Team.Net <a href=3D"http://ww=
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&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 Suggested annual donation $12.75<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 Archive: <a href=3D"http://www.team.n=
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&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt; _______________________________________________<br>
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&gt;<br>
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&gt; &gt;&gt;=C2=A0=C2=A0=C2=A0=C2=A0 Unsubscribe/Manage:<br>
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&gt;<br>
&gt; &gt;&gt; &lt;<a href=3D"http://autox.team.net/mailman/options/healeys/=
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<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt; --<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt; Best--Michael<br>
&gt;<br>
&gt; &gt;&gt;<br>
&gt;<br>
&gt; &gt;&gt; _______________________________________________<br>
&gt;<br>
&gt; &gt;&gt; Support Team.Net <a href=3D"http://www.team.net/donate.html" =
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&gt;<br>
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