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MIG/TIG isn't usually effective on cast iron. Brazing might be your best
bet, and plenty strong. I brazed a mis-sized plug on a so-called
'uprated' water pump for my BN2 that wouldn't otherwise seal up and the
result was good, but I feared I'd damaged the seal. Clean best you can
and use a good flux.
https://www.reliance-foundry.com/blog/how-to-weld-cast-iron
On 3/15/2024 8:05 AM, warthodson--- via Healeys wrote:
> Congratulations on finding the leak. I would not have much confidence
> in any epoxy. The area would need to be impeccably clean including
> inside the actual crack & the block gets very hot. I wonder if it
> might be a candidate for an expert MIG/TIG welder?
> Gary Hodson
>
> On Thursday, March 14, 2024 at 11:00:46 PM CDT, Wayne Schultz via
> Healeys <healeys@autox.team.net> wrote:
>
>
> Yes, it was!
>
> On Thu, Mar 14, 2024 at 10:16â?¯PM Roger Grace <roggrace@telus.net> wrote:
>
> Wayne - you are a star !
> I got lucky and think that I have found it.
> Started by removing the center tappet side cover.
> Just like your experience - mine is below the center cover
> mounting boss; there is a ridge there just above the distributor
> drive.
> Was this where the one you worked on was ?
> Actually looks someone tried to repair it before. Have no idea
> what they used, but is a soft white putty like substance and the
> oozing got worse when I removed it. Had the coolant under pressure.
> So now have to clean up and think about a repair technique.
> Thank you for responding .
> rg
>
>
>
> ---------- Forwarded message ---------
> From: *Roger Grace* <roggrace@telus.net>
> Date: Thu, Mar 14, 2024 at 8:15â?¯AM
> Subject: Re: [Healeys] Glycol in oil
> To: Wayne Schultz <waschu2@gmail.com>
> Cc: <healeys@autox.team.net>
>
>
> Wayne,
> Thank you. That sounds very similar to my situation. Not quite
> sure that I understand what you mean by the boss that goes down to
> the sump ? Is this the oil return path - interesting. Yes, my plan
> is to get the pan off and pressurize the coolant with some dye in
> it and hopefully locate it.
> So your repair was done with the tappet side covers off ? Maybe
> that is a block weakness and I get lucky with a similar fault.
> rg
>
>
> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
> Virus-free.www.avg.com
>
> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
>
>
>
> On Sun, Mar 10, 2024 at 9:14â?¯PM Wayne Schultz <waschu2@gmail.com>
> wrote:
>
> Hi Roger,
> My friend who had a Healey 3000 had a similar issue. We
> would find coolant in the oil on the dipstick and filler cap.
> I found when we pressurized the cooling system with the engine
> warm, no leak noted, with the engine cold a slight coolant
> leak in pressure. I decided to drop the oil pan to look for
> leaks and found a very slight leak internally dripping into
> the oil pan area. We found that the leak was from the boss in
> between the 6 and 7 tappets. With that tappet cover off we
> could see coolant drips forming in that boss running down into
> the pan area. It would only leak when cold. Porosity? I think
> so. I decided to Peen the boss with a punch and seal with JB
> Weld. It has been good ever since. I suggest dropping your oil
> pan to look for leaks might be the least invasive first step
> in locating your problem.  Good luck.
>
> Â Â Â Â Â Â Â Â Wayne
>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<body>
MIG/TIG isn't usually effective on cast iron. Brazing might be your
best bet, and plenty strong. I brazed a mis-sized plug on a
so-called 'uprated' water pump for my BN2 that wouldn't otherwise
seal up and the result was good, but I feared I'd damaged the seal.
Clean best you can and use a good flux.<br>
<br>
<a class="moz-txt-link-freetext"
href="https://www.reliance-foundry.com/blog/how-to-weld-cast-iron";>https://www.reliance-foundry.com/blog/how-to-weld-cast-iron</a><br>
<br>
<br>
<br>
<br>
<div class="moz-cite-prefix">On 3/15/2024 8:05 AM, warthodson--- via
Healeys wrote:<br>
</div>
<blockquote type="cite"
cite="mid:1555225143.3803960.1710515131345@mail.yahoo.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div class="ydp47e51b90yahoo-style-wrap"
style="font-family:Comic Sans MS, sans-serif;font-size:16px;">
<div dir="ltr" data-setdir="false">Congratulations on finding
the leak. I would not have much confidence in any epoxy. The
area would need to be impeccably clean including inside the
actual crack & the block gets very hot. I wonder if it
might be a candidate for an expert MIG/TIG welder?</div>
<div dir="ltr" data-setdir="false">Gary Hodson </div>
<div><br>
</div>
</div>
<div id="ydpbb1b946fyahoo_quoted_1378980925"
class="ydpbb1b946fyahoo_quoted">
<div
style="font-family:'Helvetica Neue', Helvetica, Arial,
sans-serif;font-size:13px;color:#26282a;">
<div> On Thursday, March 14, 2024 at 11:00:46 PM CDT, Wayne
Schultz via Healeys <a class="moz-txt-link-rfc2396E"
href="mailto:healeys@autox.team.net";><healeys@autox.team.net></a> wrote:
</div>
<div><br>
</div>
<div><br>
</div>
<div>
<div id="ydpbb1b946fyiv3499248027">
<div>
<div dir="ltr">Yes, it was! <br clear="none">
</div>
<br clear="none">
<div id="ydpbb1b946fyiv3499248027yqt57983"
class="ydpbb1b946fyiv3499248027yqt5823130862">
<div class="ydpbb1b946fyiv3499248027gmail_quote">
<div dir="ltr"
class="ydpbb1b946fyiv3499248027gmail_attr">On Thu,
Mar 14, 2024 at 10:16â?¯PM Roger Grace <<a
shape="rect" href="mailto:roggrace@telus.net";
target="_blank" rel="noreferrer noopener"
moz-do-not-send="true"
class="moz-txt-link-freetext">roggrace@telus.net</a>>
wrote:<br clear="none">
</div>
<blockquote
style="margin:0px 0px 0px 0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex;"
class="ydpbb1b946fyiv3499248027gmail_quote">
<div dir="ltr">
<div>Wayne - you are a star !</div>
<div>I got lucky and think that I have found it.</div>
<div>Started by removing the center tappet side
cover.</div>
<div>Just like your experience - mine is below
the center cover mounting boss; there is a
ridge there just above the distributor drive.</div>
<div>Was this where the one you worked on was ?<br
clear="none">
</div>
<div>Actually looks someone tried to repair it
before. Have no idea what they used, but is a
soft white putty like substance and the oozing
got worse when I removed it. Had the coolant
under pressure.</div>
<div>So now have to clean up and think about a
repair technique.</div>
<div>Thank you for responding .</div>
<div>rg<br clear="none">
</div>
<div><br clear="none">
</div>
<div><br clear="none">
</div>
<div><br clear="none">
<div
class="ydpbb1b946fyiv3499248027gmail_quote">
<div dir="ltr"
class="ydpbb1b946fyiv3499248027gmail_attr">----------
Forwarded message ---------<br
clear="none">
From: <b
class="ydpbb1b946fyiv3499248027gmail_sendername">Roger Grace</b> <span><<a
shape="rect"
href="mailto:roggrace@telus.net";
target="_blank"
rel="noreferrer noopener"
moz-do-not-send="true"
class="moz-txt-link-freetext">roggrace@telus.net</a>></span><br
clear="none">
Date: Thu, Mar 14, 2024 at 8:15â?¯AM<br
clear="none">
Subject: Re: [Healeys] Glycol in oil<br
clear="none">
To: Wayne Schultz <<a shape="rect"
href="mailto:waschu2@gmail.com";
target="_blank"
rel="noreferrer noopener"
moz-do-not-send="true"
class="moz-txt-link-freetext">waschu2@gmail.com</a>><br
clear="none">
Cc: <<a shape="rect"
href="mailto:healeys@autox.team.net";
target="_blank"
rel="noreferrer noopener"
moz-do-not-send="true"
class="moz-txt-link-freetext">healeys@autox.team.net</a>><br
clear="none">
</div>
<br clear="none">
<br clear="none">
<div dir="ltr">
<div>Wayne,</div>
<div>Thank you. That sounds very similar
to my situation. Not quite sure that I
understand what you mean by the boss
that goes down to the sump ? Is this the
oil return path - interesting. Yes, my
plan is to get the pan off and
pressurize the coolant with some dye in
it and hopefully locate it. </div>
<div>So your repair was done with the
tappet side covers off ? Maybe that is a
block weakness and I get lucky with a
similar fault.</div>
<div>rg<br clear="none">
</div>
</div>
<div
id="ydpbb1b946fyiv3499248027m_1672260542168041566m_-2987158626209960444DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br
clear="none">
<table
style="border-top:1px solid rgb(211,212,222);">
<tbody>
<tr>
<td colspan="1" rowspan="1"
style="width:55px;padding-top:13px;"><a shape="rect"
href="http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail";
target="_blank"
rel="noreferrer noopener"
moz-do-not-send="true"><img
src="https://s-install.avcdn.net/ipm/preview/icons/icon-envelope-tick-green-avg-v1.png";
alt=""
style="width:46px;min-height:29px;" data-inlineimagemanipulating="true"
moz-do-not-send="true"
width="46" height="29"></a></td>
<td colspan="1" rowspan="1"
style="width:470px;padding-top:12px;color:rgb(65,66,78);font-size:13px;font-family:Arial,
Helvetica, sans-serif;line-height:18px;">Virus-free.<a
shape="rect"
href="http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail";
style="color:rgb(68,83,234);"
target="_blank"
rel="noreferrer noopener"
moz-do-not-send="true">www.avg.com</a></td>
</tr>
</tbody>
</table>
</div>
<br clear="none">
<div
class="ydpbb1b946fyiv3499248027gmail_quote">
<div dir="ltr"
class="ydpbb1b946fyiv3499248027gmail_attr">On Sun, Mar 10, 2024 at
9:14â?¯PM Wayne Schultz <<a
shape="rect"
href="mailto:waschu2@gmail.com";
target="_blank"
rel="noreferrer noopener"
moz-do-not-send="true"
class="moz-txt-link-freetext">waschu2@gmail.com</a>>
wrote:<br clear="none">
</div>
<blockquote
style="margin:0px 0px 0px 0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex;"
class="ydpbb1b946fyiv3499248027gmail_quote">
<div dir="ltr">Hi Roger,
<div>My friend who had a Healey 3000
had a similar issue. We would
find coolant in the oil on the
dipstick and filler cap. I found
when we pressurized the cooling
system with the engine warm, no leak
noted, with the engine cold a slight
coolant leak in pressure. I decided
to drop the oil pan to look for
leaks and found a very slight leak
internally dripping into the oil pan
area. We found that the leak was
from the boss in between the 6 and 7
tappets. With that tappet cover
off we could see coolant drips
forming in that boss running down
into the pan area. It would only
leak when cold. Porosity? I think
so. I decided to Peen the boss with
a punch and seal with JB Weld. It
has been good ever since. I suggest
dropping your oil pan to look for
leaks might be the least invasive
first step in locating your
problem.  Good luck. </div>
<div><br clear="none">
</div>
<div>Â Â Â Â Â Â Â Â Wayne</div>
</div>
<br>
</blockquote>
</div>
</div>
</div>
</div>
</blockquote>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</blockquote>
</body>
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