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Pressure test the cooling system. Would have to be done with the head
installed.
Bob Haskell
Austin-Healey 3000 roadster registrar
On 1/7/24 15:40, Roger Grace wrote:
>
> Up date.
> So re-torqued head. Only one nut moved 3/4 turn. Added some of that
> Barrs leaks to coolant. Rigorous oil change (cooler too)
> After 425 mi on new oil had another analysis done and pains still
> glycol present.
> Now have head off.
> Nothing really obvious.
> Suggestions where/what to look for ?
> Plan to take head to a machine shop for truing.
> Thoughts
> rg
>
>
>
> ---------- Forwarded message ---------
> From: *Roger Grace* <roggrace@telus.net>
> Date: Mon, Nov 13, 2023 at 8:15â?¯PM
> Subject: Glycol in oil
> To: Healeys <healeys@autox.team.net>
>
>
> 67 BJ8
> Approx 15k mi on rebuilt engine by PO.
> Recently detected water droplets and creamy oil residue inside valve
> cover and near oil filler.
> Pains as engine and car run so well ... grr
> Did compression test and all OK at around 150 psi
> Also had oil analysis done that confirmed glycol in oil. Interesting
> no water found ... assume gets burnt off ?
> Upon reflection realise had been losing some coolant. Have recently
> installed a recovery reservoir and attributed the loss to air being
> removed. Silly me.
> So need some ideas how to proceed and if there is a likely culprit
> area that others may have encountered ?
> Â Maybe start by re torqueing the head ?
> Not sure how to retest though apart from another oil test.
> Remove head ?
> Thoughts and ideas please
> rg
>
>
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<p>Pressure test the cooling system. Would have to be done with the
head installed.<br>
</p>
<pre class="moz-signature" cols="72">Bob Haskell
Austin-Healey 3000 roadster registrar</pre>
<div class="moz-cite-prefix">On 1/7/24 15:40, Roger Grace wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CALPtYiNOiG5mMFxQzu8nnvLoZ8B5Emi6VWsbnFcQOQj5gCDFXA@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div dir="ltr">
<div><br>
</div>
<div>Up date.</div>
<div>So re-torqued head. Only one nut moved 3/4 turn. Added some
of that Barrs leaks to coolant. Rigorous oil change (cooler
too)<br>
</div>
<div>After 425 mi on new oil had another analysis done and pains
still glycol present.</div>
<div>Now have head off.</div>
<div>Nothing really obvious.</div>
<div>Suggestions where/what to look for ?</div>
<div>Plan to take head to a machine shop for truing.</div>
<div>Thoughts <br>
</div>
<div>rg<br>
</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">---------- Forwarded
message ---------<br>
From: <b class="gmail_sendername" dir="auto">Roger Grace</b>
<span dir="auto"><<a href="mailto:roggrace@telus.net";
moz-do-not-send="true"
class="moz-txt-link-freetext">roggrace@telus.net</a>></span><br>
Date: Mon, Nov 13, 2023 at 8:15â?¯PM<br>
Subject: Glycol in oil<br>
To: Healeys <<a href="mailto:healeys@autox.team.net";
moz-do-not-send="true"
class="moz-txt-link-freetext">healeys@autox.team.net</a>><br>
</div>
<br>
<br>
<div dir="auto">67 BJ8
<div dir="auto">Approx 15k mi on rebuilt engine by PO.</div>
<div dir="auto">Recently detected water droplets and
creamy oil residue inside valve cover and near oil
filler.</div>
<div dir="auto">Pains as engine and car run so well ...
grr</div>
<div dir="auto">Did compression test and all OK at around
150 psi</div>
<div dir="auto">Also had oil analysis done that confirmed
glycol in oil. Interesting no water found ... assume
gets burnt off ?</div>
<div dir="auto">Upon reflection realise had been losing
some coolant. Have recently installed a recovery
reservoir and attributed the loss to air being removed.
Silly me.</div>
<div dir="auto">So need some ideas how to proceed and if
there is a likely culprit area that others may have
encountered ?</div>
<div dir="auto">Â Maybe start by re torqueing the head ?</div>
<div dir="auto">Not sure how to retest though apart from
another oil test.</div>
<div dir="auto">Remove head ?</div>
<div dir="auto">Thoughts and ideas please</div>
<div dir="auto">rg</div>
<div dir="auto"><br>
</div>
</div>
</div>
</div>
</div>
<br>
<fieldset class="moz-mime-attachment-header"></fieldset>
<pre class="moz-quote-pre"
wrap="">_______________________________________________
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href="http://autox.team.net/archive/healeys";>http://autox.team.net/archive/healeys</a>
<a class="moz-txt-link-abbreviated"
href="mailto:Healeys@autox.team.net";>Healeys@autox.team.net</a>
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href="http://autox.team.net/mailman/listinfo/healeys";>http://autox.team.net/mailman/listinfo/healeys</a>
</pre>
</blockquote>
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