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The blocks have areas with less metal between oil and coolant passages
that are known to rust through. I don't know how much material, if any,
'hot-tanking' removes, but there is likely some variance in the castings
to begin with.
https://www.scparts.co.uk/sc_en/repair-kit-1172.html
On 11/14/2023 12:58 AM, Kees Oudesluijs via Healeys wrote:
>
> Sounds like a head gasket, cracked cylinder head or an internal crack
> in the block. Possibly incorrectly torqued down head so start
> re-torquing may help but I am not very optimistic.
> Kees Oudesluijs
>
> Op 14-11-2023 om 05:15 schreef Roger Grace:
>> 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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The blocks have areas with less metal between oil and coolant
passages that are known to rust through. I don't know how much
material, if any, 'hot-tanking' removes, but there is likely some
variance in the castings to begin with. <br>
<br>
<a class="moz-txt-link-freetext"
href="https://www.scparts.co.uk/sc_en/repair-kit-1172.html";>https://www.scparts.co.uk/sc_en/repair-kit-1172.html</a><br>
<br>
<br>
<div class="moz-cite-prefix">On 11/14/2023 12:58 AM, Kees Oudesluijs
via Healeys wrote:<br>
</div>
<blockquote type="cite"
cite="mid:69c38b19-da3d-4a98-a381-8f3c534063ce@chello.nl">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<p>Sounds like a head gasket, cracked cylinder head or an internal
crack in the block. Possibly incorrectly torqued down head so
start re-torquing may help but I am not very optimistic.<br>
Kees Oudesluijs<br>
</p>
<div class="moz-cite-prefix">Op 14-11-2023 om 05:15 schreef Roger
Grace:<br>
</div>
<blockquote type="cite"
cite="mid:CALPtYiN8VYpkvp5fS_PzijO_tz=TmfD9F8i-94dGFia+V3n0JA@mail.gmail.com">
<meta http-equiv="content-type"
content="text/html; charset=UTF-8">
<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>
<span style="white-space: pre-wrap">
</span></blockquote>
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