--===============7175909181196808787==
boundary="=_aeedb7e322bd8afa7eb8d2b8c5072631"
--=_aeedb7e322bd8afa7eb8d2b8c5072631
Content-Transfer-Encoding: quoted-printable
Upon disassembly of the engine for my 100, I also found .060 flat top=0A=
pistons installed (just as Steven described). This car had been raced=0A=
extensively, and as I understand it a common practice in the 50s was=0At=
o use the pistons from a Dodge or Plymouth for more compression=0A(10-1?=
). Of course I had to re-sleeve the engine to get back to .020=0Adished=
pistons (7-1 compression).=0AI was able to quickly sell the .060s on eb=
ay to a racer for his=0AHealey. Hank=0A=0A=09---------------------------=
--------------From: "Michael MacLean via=0AHealeys" =0ATo: "Harold Manif=
old", "Ahealey help"=0ACc: =0ASent: Friday April 29 2022 10:20:06AM=0ASu=
bject: Re: [Healeys] 100 piston rings- Moss=0A=0A I don't know what to=
tell you guys, but I bought the piston set from=0AMoss several years ag=
o for the short block of my BN2. The pistons came=0Awith three plain rin=
gs and grooves only. Obviously they don't sell=0Athis set anymore. My en=
gine builder said it would be OK when I asked=0Aabout the lack of an oil=
control ring. He just said I would have less=0Afriction this way. Kind=
of wondering now that I see all your examples.=0AMike MacLean=0A=0A On=
Fri, Apr 29, 2022 at 9:58 AM Harold Manifold via Healeys wrote:=0A=0A=
=09New pistons should come with a very detailed instructions. See=0Aatta=
ched example from Wossner. The engine builder and machine shop=0Aneeds t=
his information to properly fit pistons and rings especially if=0Athe pi=
stons are different that OEM. =0A=0A=09Harold =0A=0A=09 FROM: Steven Kin=
gsbury via Healeys=0ASENT: Friday, April 29, 2022 9:03 AM=0ATO: S and T=
Miller=0ACC: healeys@autox.team.net=0ASUBJECT: Re: [Healeys] 100 piston=
rings- Moss =0A=0A=09I rebuilt my engine in October, 2020 and I got my=
pistons from Austin=0AHealey Spares in the UK. They were 0.060 over M s=
pec pistons and as=0Ayou can see from the photo, they did indeed need th=
e fifth ring. Hope=0Athis helps with your situation and thoughts. =0A=
=0A=09The pistons I replaced weren't even AH pistons. My machine shop=0A=
couldn't figure out where they originated, but the replacement rings=0Aw=
e found for them that would fit were for a 1950's Plymouth or=0AMercury.=
They were also flat topped and were going to create too much=0Acompress=
ion, so that's why I went with the M spec pistons. =0A=0A=09Steven Kin=
gsbury =0A=0A=09BN1 =0A=0A=09On Apr 29, 2022, at 6:23 AM, S and T Mi=
ller via Healeys wrote: =0A=0A=09Hoping to validate my decision befor=
e buttoning things up on my 100=0Aengine. Ordered .020 over standard (no=
t 100M) piston set from Moss.=0APiston is a 4 ring piston, but came with=
5 rings. They were identified=0Awhere each ring should be fitted #1-5,=
with #4 (3 piece oil control=0Aring), and #5 (one piece oil control rin=
g). Obviously not a groove for=0A#5. Ring set was marked 100/100M, so I'=
m assuming they send the same=0Aset for both and you just leave off the=
#5 (one piece oil control=0Aring) on the 100 pistons. This is what I de=
cided to do. Now Moss's 4=0Aring set on the website shows the three uppe=
r rings and the #4 ring=0Abeing the 3 piece oil control ring reinforcing=
the thought that the #5=0A(one piece ring) should be disregarded. =
=0A=0A=09Called Moss Tech support and after a week they got back to me=
and=0Asaid that he didn't know the answer, and they would get back to m=
e.=0AThat was another week ago and still no answer. Also nothing is=0Ain=
dicated in the piston directions. Thought I would check to see if=0Aanyo=
ne on the list ran across this? =0A=0A=09TY, Shawn =0A=0A=09The Mill=
ers =0A=0A=09"Always drive them, but remember each drive in an antique=
car is a=0Atest drive." =0A=0A=09 _________________________________=
______________ =0A=0A=09Support Team.Net [1]http://www.team.net/donat=
e.html [2] =0A=0A=09Suggested annual donation $12.75 =0A=0A=09Archiv=
e: [3]http://www.team.net/pipermail/healeys [4] =0A[5]http://autox.team=
.net/archive/healeys [6] =0A=0A=09Healeys@autox.team.net =0A=0A=09 [=
7]http://autox.team.net/mailman/listinfo/healeys [8] =0A=0A=09Unsubscr=
ibe/Manage: =0A[9]http://autox.team.net/mailman/options/healeys/airtight=
productions@icloud.com=0A[10] =0A=0A=09 ________________________=
_______________________=0A Support Team.Net [11]http://www.team.net/don=
ate.html [12]=0A Suggested annual donation $12.75=0A=0A Archive: [13]ht=
tp://www.team.net/pipermail/healeys [14] =0A[15]http://autox.team.net/ar=
chive/healeys [16]=0A=0AHealeys@autox.team.net=0A [17]http://autox.team.=
net/mailman/listinfo/healeys [18]=0A=0A Unsubscribe/Manage: =0A[19]http:=
//autox.team.net/mailman/options/healeys/springer.mike51@gmail.com=0A[20=
]=0A=0A =0A=0ALinks:=0A------=0A[1] http://www.team.net/donate.html=0A[=
2] http://www.team.net/donate.html=0A[3] http://www.team.net/pipermail/h=
ealeys=0A[4] http://www.team.net/pipermail/healeys=0A[5] http://autox.te=
am.net/archive/healeys=0A[6] http://autox.team.net/archive/healeys=0A[7]=
http://autox.team.net/mailman/listinfo/healeys=0A[8] http://autox.team.=
net/mailman/listinfo/healeys=0A[9]=0Ahttp://autox.team.net/mailman/optio=
ns/healeys/airtightproductions@icloud.com=0A[10]=0Ahttp://autox.team.net=
/mailman/options/healeys/airtightproductions@icloud.com=0A[11] http://ww=
w.team.net/donate.html=0A[12] http://www.team.net/donate.html=0A[13] htt=
p://www.team.net/pipermail/healeys=0A[14] http://www.team.net/pipermail/=
healeys=0A[15] http://autox.team.net/archive/healeys=0A[16] http://autox=
.team.net/archive/healeys=0A[17] http://autox.team.net/mailman/listinfo/=
healeys=0A[18] http://autox.team.net/mailman/listinfo/healeys=0A[19]=0Ah=
ttp://autox.team.net/mailman/options/healeys/springer.mike51@gmail.com=
=0A[20]=0Ahttp://autox.team.net/mailman/options/healeys/springer.mike51@=
gmail.com=0A
--=_aeedb7e322bd8afa7eb8d2b8c5072631
Content-Transfer-Encoding: quoted-printable
<html><body>Upon disassembly of the engine for my 100, I also found .060=
flat top pistons installed (just as Steven described). This car h=
ad been raced extensively, and as I understand it a common practice in t=
he 50s was to use the pistons from a Dodge or Plymouth for more compress=
ion (10-1?). Of course I had to re-sleeve the engine to get back t=
o .020 dished pistons (7-1 compression).<div><br></div><div>I was able t=
o quickly sell the .060s on ebay to a racer for his Healey. Hank<br><br>=
<div class=3D"reply-new-signature"></div><p>----------------------------=
-------------</p>From: "Michael MacLean via Healeys" <healeys@autox.team=
.net><br>To: "Harold Manifold", "Ahealey help"<br>Cc: <br>Sent: Friday A=
pril 29 2022 10:20:06AM<br>Subject: Re: [Healeys] 100 piston rings- Moss=
<br><br>=0A<div dir=3D"ltr">=0A<div>I don't know what to tell you guys,=
but I bought the piston=0Aset from Moss several years ago for the short=
block of my=0ABN2. The pistons came with three plain rings and gr=
ooves=0Aonly. Obviously they don't sell this set anymore. My=
=0Aengine builder said it would be OK when I asked about the lack of=0Aa=
n oil control ring. He just said I would have less friction=0Athi=
s way. Kind of wondering now that I see all your=0Aexamples.</div>=
=0A<div>Mike MacLean<br></div>=0A</div>=0A<br><div class=3D"gmail_quote"=
>=0A<div dir=3D"ltr" class=3D"gmail_attr">On Fri, Apr 29, 2022 at 9:58 A=
M=0AHarold Manifold via Healeys <<a>healeys@autox.team.net</a>>=0A=
wrote:<br></div>=0A<blockquote class=3D"gmail_quote" style=3D"margin:0px=
0px 0px .8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex;">=
=0A<div lang=3D"en-us">=0A<div class=3D"gmail-m_-6680899173414383723Word=
Section1">=0A<p class=3D"MsoNormal">New pistons should come with a very=
detailed=0Ainstructions. See attached example from Wossner. The engine=
builder=0Aand machine shop needs this information to properly fit pisto=
ns and=0Arings especially if the pistons are different that OEM.</p>=0A<=
p class=3D"MsoNormal"> </p>=0A<p class=3D"MsoNormal">Harold</p>=0A<=
p class=3D"MsoNormal"> </p>=0A<div style=3D"border-color:rgb(225,22=
5,225);border-style:solid none none;border-width:1pt medium medium;paddi=
ng:3pt 0in 0in;">=0A<p class=3D"MsoNormal" style=3D"border:medium none;p=
adding:0in;">=0A<b>From:</b> <a>Steven Kingsbury via Healeys</a><br><b>S=
ent:</b> Friday, April 29, 2022 9:03 AM<br><b>To:</b> <a>S and T Miller<=
/a><br><b>Cc:</b> <a>healeys@autox.team.net</a><br><b>Subject:</b> Re: [=
Healeys] 100 piston rings- Moss</p>=0A</div>=0A<p class=3D"MsoNormal">&n=
bsp;</p>=0A<div>=0A<div>=0A<p class=3D"MsoNormal">I rebuilt my engine in=
October, 2020 and I got=0Amy pistons from Austin Healey Spares in the U=
K. They were 0.060=0Aover M spec pistons and as you can see from the pho=
to, they did=0Aindeed need the fifth ring. Hope this helps with your sit=
uation and=0Athoughts.</p>=0A</div>=0A<div>=0A<p class=3D"MsoNormal">&nb=
sp;</p>=0A</div>=0A<div>=0A<p class=3D"MsoNormal">The pistons I replaced=
weren't even AH=0Apistons. My machine shop couldn't figure out where th=
ey originated,=0Abut the replacement rings we found for them that would=
fit were for=0Aa 1950's Plymouth or Mercury. They were also flat topped=
and were=0Agoing to create too much compression, so that's why I went w=
ith the=0AM spec pistons.</p>=0A</div>=0A<div>=0A<p class=3D"MsoNormal">=
Steven Kingsbury</p>=0A</div>=0A<div>=0A<p class=3D"MsoNormal">BN1</p>=
=0A</div>=0A<div>=0A<p class=3D"MsoNormal"> </p>=0A</div>=0A<div>=
=0A<p class=3D"MsoNormal"><img src=3D"/index.php/inbox/attachment/filena=
meOriginal/IMG_20200916_172316.jpg/filenamefs/INBOX54318a9d78992d5ad9aac=
3b65e92df635321b" width=3D"1200" height=3D"1200" border=3D"0" alt=3D"INB=
OX54318a9d78992d5ad9aac3b65e92df63532"> </p>=0A</div>=0A<div>=0A<p=
class=3D"MsoNormal"> </p>=0A</div>=0A<blockquote style=3D"margin-t=
op:5pt;margin-bottom:5pt;">=0A<div>=0A<p class=3D"MsoNormal">On Apr 29,=
2022, at 6:23 AM, S and T Miller=0Avia Healeys <<a>healeys@autox.tea=
m.net</a>> wrote:</p>=0A</div>=0A<div>=0A<p class=3D"MsoNormal"> =
;</p>=0A</div>=0A<div>=0A<p class=3D"MsoNormal"> </p>=0A</div>=0A<d=
iv>=0A<div>=0A<p class=3D"MsoNormal"><span style=3D"font-family:inherit,=
serif;">Hoping to validate my=0Adecision before buttoning things up on=
my 100 engine. Ordered .020=0Aover standard (not 100M) piston set from=
Moss. Piston is a 4 ring=0Apiston, but came with 5 rings. They were ide=
ntified where each ring=0Ashould be fitted #1-5, with #4 (3 piece oil co=
ntrol ring), and #5=0A(one piece oil control ring). Obviously not a groo=
ve for #5. Ring=0Aset was marked 100/100M, so I'm assuming they send the=
same set for=0Aboth and you just leave off the #5 (one piece oil contro=
l ring) on=0Athe 100 pistons. This is what I decided to do. Now Moss's 4=
ring=0Aset on the website shows the three upper rings and the #4 ring=
=0Abeing the 3 piece oil control ring reinforcing the thought that the=
=0A#5 (one piece ring) should be disregarded. </span></p>=0A<=
/div>=0A<div>=0A<p class=3D"MsoNormal"><span style=3D"font-family:inheri=
t, serif;"> </span></p>=0A</div>=0A<div>=0A<p class=3D"MsoNormal"><=
span style=3D"font-family:inherit, serif;">Called Moss Tech support=0Aan=
d after a week they got back to me and said that he didn't know=0Athe an=
swer, and they would get back to me. That was another week=0Aago and sti=
ll no answer. Also nothing is indicated in the=0Apiston directions=
. Thought I would check to see if anyone on=0Athe list ran across=
this?</span></p>=0A</div>=0A<div>=0A<p class=3D"MsoNormal"><span style=
=3D"font-family:inherit, serif;">TY, Shawn</span></p>=0A</div>=0A<div>=
=0A<p class=3D"MsoNormal"> </p>=0A</div>=0A<div>=0A<div>=0A<p class=
=3D"MsoNormal">The Millers</p>=0A</div>=0A<div>=0A<p class=3D"MsoNormal"=
> </p>=0A</div>=0A<div>=0A<p class=3D"MsoNormal">"Always drive them=
, but remember each drive in=0Aan antique car is a test drive."</p>=0A</=
div>=0A</div>=0A<div>=0A<div>=0A<p class=3D"MsoNormal">=0A______________=
_________________________________</p>=0A</div>=0A<div>=0A<p class=3D"Mso=
Normal">Support Team.Net <a href=3D"http://www.team.net/donate.html";></a=
><a href=3D"http://www.team.net/donate.html";>http://www.team.net/donate.=
html</a></p>=0A</div>=0A<div>=0A<p class=3D"MsoNormal">Suggested annual=
donation $12.75</p>=0A</div>=0A<div>=0A<p class=3D"MsoNormal"> </p=
>=0A</div>=0A<div>=0A<p class=3D"MsoNormal">Archive: <a href=3D"http://w=
ww.team.net/pipermail/healeys"></a><a href=3D"http://www.team.net/piperm=
ail/healeys">http://www.team.net/pipermail/healeys</a> <a href=3D"http:/=
/autox.team.net/archive/healeys"></a><a href=3D"http://autox.team.net/ar=
chive/healeys">http://autox.team.net/archive/healeys</a></p>=0A</div>=0A=
<div>=0A<p class=3D"MsoNormal"> </p>=0A</div>=0A<div>=0A<p class=3D=
"MsoNormal"><a>Healeys@autox.team.net</a></p>=0A</div>=0A<div>=0A<p clas=
s=3D"MsoNormal"><a href=3D"http://autox.team.net/mailman/listinfo/healey=
s"></a><a href=3D"http://autox.team.net/mailman/listinfo/healeys";>http:/=
/autox.team.net/mailman/listinfo/healeys</a></p>=0A</div>=0A<div>=0A<p c=
lass=3D"MsoNormal"> </p>=0A</div>=0A<div>=0A<p class=3D"MsoNormal">=
leys/airtightproductions@icloud.com"></a><a href=3D"http://autox.team.ne=
t/mailman/options/healeys/airtightproductions@icloud.com">http://autox.t=
eam.net/mailman/options/healeys/airtightproductions@icloud.com</a></p>=
=0A</div>=0A</div>=0A</div>=0A</blockquote>=0A</div>=0A<p class=3D"MsoNo=
rmal"> </p>=0A<p class=3D"MsoNormal"> </p>=0A</div>=0A</div>=
=0A_______________________________________________<br>=0ASupport Team.Ne=
t <a href=3D"http://www.team.net/donate.html";></a><a href=3D"http://www.=
team.net/donate.html">http://www.team.net/donate.html</a><br>=0ASuggeste=
d annual donation $12.75<br><br>=0AArchive: <a href=3D"http://www.=
team.net/pipermail/healeys"></a><a href=3D"http://www.team.net/pipermail=
/healeys">http://www.team.net/pipermail/healeys</a> <a href=3D"http://au=
tox.team.net/archive/healeys"></a><a href=3D"http://autox.team.net/archi=
ve/healeys">http://autox.team.net/archive/healeys</a><br><br><a>Healeys@=
autox.team.net</a><br><a href=3D"http://autox.team.net/mailman/listinfo/=
healeys"></a><a href=3D"http://autox.team.net/mailman/listinfo/healeys";>=
http://autox.team.net/mailman/listinfo/healeys</a><br><br>=0AUnsubscribe=
/Manage: <a href=3D"http://autox.team.net/mailman/options/healeys/spring=
er.mike51@gmail.com"></a><a href=3D"http://autox.team.net/mailman/option=
s/healeys/springer.mike51@gmail.com">http://autox.team.net/mailman/optio=
ns/healeys/springer.mike51@gmail.com</a><br><br></blockquote>=0A</div>=
=0A</healeys@autox.team.net></div></body></html>
--=_aeedb7e322bd8afa7eb8d2b8c5072631--
--===============7175909181196808787==
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
_______________________________________________
Archive: http://www.team.net/pipermail/healeys
http://autox.team.net/archive/healeys
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
--===============7175909181196808787==--
|