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For what it's worth, I always have the block skimmed on 100 engine
rebuilds.
To date most if not all seem to have a low area between 2 & 3.
Touch wood, I've yet to encounter head gasket problems or even the very
common "seepage" issues in the area of the engine number tag.
Fingers and toes crossed.
M
On Wed., Feb. 23, 2022, 3:02 p.m. 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 with
> 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, however.
>
> 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 this
> 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 that
> 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 outfit
> 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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Content-Transfer-Encoding: quoted-printable
<div dir=3D"auto">For what it's worth, I always have the block skimmed =
on 100 engine rebuilds.=C2=A0<div dir=3D"auto">To date most if not all seem=
to have a low area between 2 & 3.</div><div dir=3D"auto">Touch wood, I=
've yet to encounter head gasket problems or even the very common "=
;seepage" issues in the area of the engine number tag.</div><div dir=
=3D"auto">Fingers and toes crossed.</div><div dir=3D"auto"><br></div><div d=
ir=3D"auto">M</div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" cl=
ass=3D"gmail_attr">On Wed., Feb. 23, 2022, 3:02 p.m. Henry G Leach via Heal=
eys, <<a href=3D"mailto:healeys@autox.team.net";>healeys@autox.team.net</=
a>> wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0 =
0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>Has anyone ever =
stuck a magnet to a Payen <b>copper</b> gasket? I did-its a steel gasket wi=
th a copper coating. There is a real engineering issue with the 2660cc bloc=
k and I am not sure why it is configured as it is. There may have been a st=
udy done on the engine's water flow way back then and some modification=
s made for cooling. It does not add up or make sense, however.<div><br></di=
v><div>So, look at this head and the gasket and then the block. 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 between 2-3 cylind=
ers when read with a heat gun.</div><div><br></div><div>I was tempted to dr=
ill 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 ex=
plain this concept 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 The=
n too, aluminum has its own set of issues that may/may not improve the cool=
ing capacity of some old, thick cast iron block. Maybe throwing money at it=
has an effect.=C2=A0 Hank<br><div></div><p>-------------------------------=
----------</p>From: <a href=3D"mailto:gradea1@charter.net"; target=3D"_blank=
" rel=3D"noreferrer">gradea1@charter.net</a><br>To: "Steven Kingsbury&=
quot;<br>Cc: "Healey Mail List"<br>Sent: Tuesday February 22 2022=
12:23:07PM<br>Subject: RE: [Healeys] 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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