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My bad ... as John has pointed out ...
"7 psi on the 100."
not 4 as I wrote above.
M.
On Thu., Feb. 24, 2022, 4:47 a.m. john harper via Healeys, <
healeys@autox.team.net> wrote:
> All
>
> The pressure on the water pump is defined by the radiator cap. 7 psi on
> the 100.
>
> Best regards
>
> On Thu, 24 Feb 2022 at 00:31, Alan Seigrist via Healeys <
> healeys@autox.team.net> wrote:
>
>> Henry -
>>
>> All water passages in Austin motors are done like this. This is because
>> the water pump is on the front of the motor, and the water outlet is in =
the
>> front of the motor, so the jacket forces water to the back on the block
>> then back to the front on the head, but also needs some cool water in th=
e
>> front too. it=E2=80=99s meant to make sure the water is the same temp w=
hether it=E2=80=99s
>> in the front or the back of the engine. Don=E2=80=99t mess with the pas=
sages or
>> you=E2=80=99ll end up with hot spots on the motor.
>>
>> Best,
>>
>> Alan
>>
>> On Thu, 24 Feb 2022 at 4:03 AM, Henry G Leach via Healeys <
>> healeys@autox.team.net> wrote:
>>
>>> Has anyone ever stuck a magnet to a Payen *copper* gasket? I did-its a
>>> steel gasket with a copper coating. There is a real engineering issue w=
ith
>>> the 2660cc block and I am not sure why it is configured as it is. There=
may
>>> have been a study done on the engine's water flow way back then and som=
e
>>> modifications made for cooling. It does not add up or make sense, howev=
er.
>>>
>>> So, look at this head and the gasket and then the block. Why are the
>>> water passages reduced on the jackets shown? Then too, why is there no
>>> passage in one area marked that is actually open for water on the head*
>>> and* gasket? This is one "hot spot" found between 2-3 cylinders when
>>> read with a heat gun.
>>>
>>> I was tempted to drill out the opening in the block before re-assemblin=
g
>>> my head, but thought better of it. I would never question engineering
>>> technology of BMC. Modern day replacements have that same area blocked.
>>> Never-the-less, can anyone explain this concept to me; the reason for t=
his
>>> and a 4lb. radiator cap. This engine needs water, lots of it to keep it
>>> cool. Why restrict it? Then too, aluminum has its own set of issues th=
at
>>> may/may not improve the cooling capacity of some old, thick cast iron
>>> block. Maybe throwing money at it has an effect. Hank
>>>
>>> -----------------------------------------
>>> From: gradea1@charter.net
>>> To: "Steven Kingsbury"
>>> Cc: "Healey Mail List"
>>> Sent: Tuesday February 22 2022 12:23:07PM
>>> Subject: RE: [Healeys] Head Gasket Woes Part Two
>>>
>>> Steven-that's a real heavy piston at .060 (compression ratio 9:1?) Was
>>> there any defect in head prior to assembly? Magnafluxed? There is an ou=
tfit
>>> Midwest Cylinder Head that can repair that for about $500, or else is o=
n to
>>> Denis Welch for about $4K.
>>>
>>> I just had my head off and checked-they shaved .003 to get it flat.
>>> Fingers crossed-head gasket was not blown, but water in oil. I'm hoping=
it
>>> was water intrusion from rocker studs. Hank
>>>
>>> -----------------------------------------
>>> From: "Steven Kingsbury via Healeys"
>>> To: "Healey Mail List"
>>> Cc:
>>> Sent: Tuesday February 22 2022 11:28:21AM
>>> Subject: [Healeys] Head Gasket Woes Part Two
>>>
>>> Luckily the pistons weren't frozen, nor the rings in the pistons, but
>>> when I turned the head over to inspect, I got the really bad news.
>>>
>>> [image: INBOX530788498d9fa86f504913dab139d4d9ef6]
>>>
>>> Oh well. I guess some JB Weld might hold!? Ha! Damn it Jim.
>>> S
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>>>
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<div dir=3D"auto">My bad ... as John has pointed out ...=C2=A0<div dir=3D"a=
uto">"<span style=3D"font-size:12.8px">7 psi on the 100."</span><=
br></div><div dir=3D"auto">not 4 as I wrote above.<div dir=3D"auto"><br></d=
iv><div dir=3D"auto"><div dir=3D"auto"><span style=3D"font-size:12.8px"><br=
></span></div><div dir=3D"auto"><span style=3D"font-size:12.8px">M.</span><=
/div></div></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" clas=
s=3D"gmail_attr">On Thu., Feb. 24, 2022, 4:47 a.m. john harper via Healeys,=
<<a href=3D"mailto:healeys@autox.team.net";>healeys@autox.team.net</a>&g=
t; 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">All<div>=
<br></div><div>The pressure on the water pump is defined by the radiator ca=
p. 7 psi on the 100.</div><div><br></div><div>Best regards</div></div><br><=
div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Thu, 24 =
Feb 2022 at 00:31, Alan Seigrist via Healeys <<a href=3D"mailto:healeys@=
autox.team.net" target=3D"_blank" rel=3D"noreferrer">healeys@autox.team.net=
</a>> 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">Henry -</div><div dir=3D"auto"><br></div><div dir=3D"auto=
">All water passages in Austin motors are done like this.=C2=A0 This is bec=
ause the water pump is on the front of the motor, and the water outlet is i=
n the front of the motor, so the jacket forces water to the back on the blo=
ck then back to the front on the head, but also needs some cool water in th=
e front too. =C2=A0it=E2=80=99s meant to make sure the water is the same te=
mp whether it=E2=80=99s in the front or the back of the engine.=C2=A0 Don=
=E2=80=99t mess with the passages or you=E2=80=99ll end up with hot spots o=
n the motor.</div><div dir=3D"auto"><br></div><div dir=3D"auto">Best,</div>=
<div dir=3D"auto"><br></div><div dir=3D"auto">Alan</div><div><br><div class=
=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Thu, 24 Feb 2022 =
at 4:03 AM, Henry G Leach via Healeys <<a href=3D"mailto:healeys@autox.t=
eam.net" target=3D"_blank" rel=3D"noreferrer">healeys@autox.team.net</a>>=
; 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>Ha=
s anyone ever stuck a magnet to a Payen <b>copper</b> gasket? I did-its a s=
teel gasket with a copper coating. There is a real engineering issue with t=
he 2660cc block and I am not sure why it is configured as it is. There may =
have been a study done on the engine's water flow way back then and som=
e modifications made for cooling. It does not add up or make sense, however=
.<div><br></div><div>So, look at this head and the gasket and then the bloc=
k. Why are the water passages reduced on the jackets shown?=C2=A0 Then too,=
why is there no passage in one area marked that is actually open for water=
on the head<b> and</b> gasket? This is one "hot spot" found betw=
een 2-3 cylinders when read with a heat gun.</div><div><br></div><div>I was=
tempted to drill out the opening in the block before re-assembling my head=
, but thought better of it. I would never question engineering technology o=
f BMC. Modern day replacements have that same area blocked. Never-the-less,=
can anyone explain this concept to me; the reason for this and a 4lb. radi=
ator cap. This engine needs water, lots of it to keep it cool. Why restrict=
it?=C2=A0 Then too, aluminum has its own set of issues that may/may not im=
prove the cooling capacity of some old, thick cast iron block. Maybe throwi=
ng money at it has an effect.=C2=A0 Hank<br><div></div><p>-----------------=
------------------------</p>From: <a href=3D"mailto:gradea1@charter.net"; ta=
rget=3D"_blank" rel=3D"noreferrer">gradea1@charter.net</a><br>To: "Ste=
ven Kingsbury"<br>Cc: "Healey Mail List"<br>Sent: Tuesday Fe=
bruary 22 2022 12:23:07PM<br>Subject: RE: [Healeys] Head Gasket Woes Part T=
wo<br><br>
Steven-that's a real heavy piston at .060 (compression ratio 9:1?)
Was there any defect in head prior to assembly? Magnafluxed? There
is an outfit Midwest Cylinder Head that can repair that for about
$500, or else is on to Denis Welch for about $4K.
<div><br></div>
<div>I just had my head off and checked-they shaved .003 to get it
flat. Fingers crossed-head gasket was not blown, but water in oil.
I'm hoping it was water intrusion from rocker studs. Hank</div>
<div><br><div></div>
<p>-----------------------------------------</p>
From: "Steven Kingsbury via Healeys"<br>
To: "Healey Mail List"<br>
Cc:<br>
Sent: Tuesday February 22 2022 11:28:21AM<br>
Subject: [Healeys] Head Gasket Woes Part Two<br><br><div>Luckily the piston=
s weren't frozen, nor the rings in the
pistons, but when I turned the head over to inspect, I got the
really bad news.<br></div>
<div><br></div>
<div><img src=3D"http:///index.php/inbox/attachment/filenameOriginal/PXL_20=
220221_213449711.jpg/filenamefs/INBOX530788498d9fa86f504913dab139d4d9ef69b"=
alt=3D"INBOX530788498d9fa86f504913dab139d4d9ef6"><br></div>
<div><br></div>
<div>Oh well. I guess some JB Weld might hold!?=C2=A0 Ha! Damn it
Jim.<br></div>
<div>S</div>
</div>
</div></div>
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