Subject: Re: [Healeys] Radiator cap for BN2

From: john harper <[email-masked]>
Date: Mon, 18 Jul 2022 10:59:04 +0100

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Henry

I would not use a cap higher than 7psi because of core plugs as already
stated but because the heater core on the BN1/2 may not stand the higher
pressure.

On Mon, 18 Jul 2022 at 03:11, Henry G Leach via Healeys <
[email-masked]> wrote:

> Oh, yea! I recommend do not use a 15 lb. cap-worked on a 100-6 with blown
> freeze plugs as a result of the 15pounder. Early 100s used a 4 lb. cap, but
> the later (BN2) cars went to 7 lb. (each additional pound gives higher temp
> tolerance, but too much of a good thing is bad. There is always the head
> gasket to consider as well.  Hank
>
> -----------------------------------------
> From: "Bob Spidell"
> To: "Healeys"
> Cc:
> Sent: Sunday July 17 2022 6:27:46PM
> Subject: [Healeys] Radiator cap for BN2
>
> I see both 4psi and 7psi mentioned; any issues going with the higher
> pressure cap?
>
> TIA
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<div dir=3D"ltr">Henry<div><br></div><div>I would not use a cap higher than=
 7psi because of core plugs as already stated but because=C2=A0the heater=
=C2=A0core on the BN1/2 may not stand the higher pressure.</div></div><br><=
div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Mon, 18 =
Jul 2022 at 03:11, Henry G Leach via Healeys &lt;<a href=3D"mailto:healeys@=
autox.team.net">[email-masked]</a>&gt; wrote:<br></div><blockquote =
class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px sol=
id rgb(204,204,204);padding-left:1ex"><div>Oh, yea! I recommend do not use =
a 15 lb. cap-worked on a 100-6 with blown freeze plugs as a result of the 1=
5pounder. Early 100s used a 4 lb. cap, but the later (BN2) cars went to 7 l=
b. (each additional pound gives higher temp tolerance, but too much of a go=
od thing is bad. There is always the head gasket to consider as well.=C2=A0=
 Hank<br><br><div></div><p>-----------------------------------------</p>Fro=
m: &quot;Bob Spidell&quot; <u></u><br>To: &quot;Healeys&quot;<br>Cc: <br>Se=
nt: Sunday July 17 2022 6:27:46PM<br>Subject: [Healeys] Radiator cap for BN=
2<br><br>
I see both 4psi and 7psi mentioned; any issues going with the
higher<br>
pressure cap?<br><br>
TIA<br>
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From: Michael Salter via Healeys <[email-masked]>
Date: Mon, 18 Jul 2022 08:11:47 -0400

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Actually, in my experience, the biggest problem wirh exceeding 7 p.s.i. is
the water pump seal. They will typically start to leak at around 10 - 12
p.s.i.

M

On Mon., Jul. 18, 2022, 6:04 a.m. john harper, <[email-masked]> wrote:

> http://autox.team.net/mailman/options/healeys/[email-masked]
>
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<div dir=3D"auto">Actually, in my experience, the biggest problem wirh exce=
eding 7 p.s.i. is the water pump seal. They will typically start to leak at=
 around 10 - 12 p.s.i.<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 Mon., Jul. 18, 2022, 6:04 a.m. john harper, &lt;<a href=3D"mailto:ah100t=
[email-masked]">[email-masked]</a>&gt; wrote:<br></div><blockquote clas=
s=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;pad=
ding-left:1ex"><div dir=3D"ltr">Henry<div><br></div><div>I would not use a =
cap higher than 7psi because of core plugs as already stated but because=C2=
=A0the heater=C2=A0core on the BN1/2 may not stand the higher pressure.</di=
v></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr=
">On Mon, 18 Jul 2022 at 03:11, Henry G Leach via Healeys &lt;<a href=3D"ma=
ilto:[email-masked]" target=3D"_blank" rel=3D"noreferrer">healeys@a=
utox.team.net</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" sty=
le=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);paddi=
ng-left:1ex"><div>Oh, yea! I recommend do not use a 15 lb. cap-worked on a =
100-6 with blown freeze plugs as a result of the 15pounder. Early 100s used=
 a 4 lb. cap, but the later (BN2) cars went to 7 lb. (each additional pound=
 gives higher temp tolerance, but too much of a good thing is bad. There is=
 always the head gasket to consider as well.=C2=A0 Hank<br><br><div></div><=
p>-----------------------------------------</p>From: &quot;Bob Spidell&quot=
; <u></u><br>To: &quot;Healeys&quot;<br>Cc: <br>Sent: Sunday July 17 2022 6=
:27:46PM<br>Subject: [Healeys] Radiator cap for BN2<br><br>
I see both 4psi and 7psi mentioned; any issues going with the
higher<br>
pressure cap?<br><br>
TIA<br>
_______________________________________________<br>
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