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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 t=
he
> 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 the
> front too. it=E2=80=99s meant to make sure the water is the same temp wh=
ether it=E2=80=99s
> in the front or the back of the engine. Don=E2=80=99t mess with the pass=
ages 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 wi=
th
>> 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 some
>> modifications made for cooling. It does not add up or make sense, howeve=
r.
>>
>> 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-assembling
>> 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 th=
is
>> 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 tha=
t
>> 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 out=
fit
>> Midwest Cylinder Head that can repair that for about $500, or else is on=
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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<div dir=3D"ltr">All<div><br></div><div>The pressure on the water pump is d=
efined by the radiator cap. 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";>healeys@autox.team.net</a>> 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"auto">Henry -</div><div dir=3D"auto"><br></div><div dir=3D"auto">All wa=
ter passages in Austin motors are done like this.=C2=A0 This is because the=
water pump is on the front of the motor, and the water outlet is in the fr=
ont 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 the front =
too. =C2=A0it=E2=80=99s meant to make sure the water is the same temp wheth=
er 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 on the moto=
r.</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"gmai=
l_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.team.net"=
target=3D"_blank">healeys@autox.team.net</a>> 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>Has anyone ever stuck a magne=
t to a Payen <b>copper</b> gasket? I did-its a steel gasket with a copper c=
oating. There is a real engineering issue with the 2660cc block and I am no=
t sure why it is configured as it is. There may have been a study done on t=
he engine's water flow way back then and some modifications made for co=
oling. It does not add up or make sense, however.<div><br></div><div>So, lo=
ok at this head and the gasket and then the block. Why are the water passag=
es 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> gas=
ket? This is one "hot spot" found between 2-3 cylinders when read=
with a heat gun.</div><div><br></div><div>I was tempted to drill out the o=
pening in the block before re-assembling my head, but thought better of it.=
I would never question engineering technology of BMC. Modern day replaceme=
nts have that same area blocked. Never-the-less, can anyone explain this co=
ncept to me; the reason for this and a 4lb. radiator cap. This engine needs=
water, lots of it to keep it cool. Why restrict it?=C2=A0 Then too, alumin=
um has its own set of issues that may/may not improve the cooling capacity =
of some old, thick cast iron block. Maybe throwing money at it has an effec=
t.=C2=A0 Hank<br><div></div><p>-----------------------------------------</p=
>From: <a href=3D"mailto:gradea1@charter.net"; target=3D"_blank">gradea1@cha=
rter.net</a><br>To: "Steven Kingsbury"<br>Cc: "Healey Mail L=
ist"<br>Sent: Tuesday February 22 2022 12:23:07PM<br>Subject: RE: [Hea=
leys] Head Gasket Woes Part Two<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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