<div dir="ltr">I don't recall any of the studs needing to be sealed to prevent coolant escaping. If you have coolant seeping out, I think I would look at the head gasket. <div><br></div><div>Mark Fawcett</div><div>59 BT7</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Oct 14, 2021 at 2:37 PM m.g.sharp--- via Healeys <<a href="mailto:healeys@autox.team.net">healeys@autox.team.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div lang="EN-CA" style="overflow-wrap: break-word;"><div class="gmail-m_9125888668225035778WordSection1"><p class="MsoNormal"><span lang="EN-US">Has anyone out there had issues with coolant coming up the head studs?  I have heard that some stud holes in the block are blind, but some intercept coolant channels and that the head studs that go in these holes need to be sealed.  Does anyone know which holes are blind and which are not?<u></u><u></u></span></p><p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p><p class="MsoNormal"><span lang="EN-US">Thanks for any insights.<u></u><u></u></span></p><p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p><p class="MsoNormal"><span lang="EN-US">Mirek<u></u><u></u></span></p><p class="MsoNormal"><span lang="EN-US">’59 BT7<u></u><u></u></span></p></div></div>_______________________________________________<br>
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