<html><body>I believe Curt Arndt has developed a list/chart of all the hardware thread sizes on the Healey 100. Hank<br><br><div class="reply-new-signature"></div><p>-----------------------------------------</p>From: "Harold Manifold via Healeys" <healeys@autox.team.net><br>To: "simon.lachlan@alexarevel.plus.com"<br>Cc: "Healeys"<br>Sent: Saturday May 7 2022 9:23:10AM<br>Subject: Re: [Healeys] Oil Drain Plug Thread Size<br><br>
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<p class="MsoNormal">I thought BSF as well but the major diameter
of 11/16” BSF is 0.688 and I measured 0.74”. I was looking for the
threading die size. Also I am creating a list of all of the
different thread types on my Healey and this seems to be a new
one.</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Harold</p>
<p class="MsoNormal"> </p>
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<p class="MsoNormal" style="border:none;padding:0in;"><b>From:</b>
<a>simon.lachlan@alexarevel.plus.com</a><br><b>Sent:</b> Saturday, May 7, 2022 2:06 AM<br><b>To:</b> <a>Harold
Manifold</a><br><b>Cc:</b> <a>Healeys</a><br><b>Subject:</b> RE: [Healeys] Oil Drain Plug Thread Size</p>
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<p class="MsoNormal"> </p>
<p class="MsoNormal"><span lang="en-gb">11/16BS, 5/8W
spanner…….</span></p>
<p class="MsoNormal"><span lang="en-gb"> </span></p>
<p class="MsoNormal"><span lang="en-gb"> </span></p>
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<p class="MsoNormal"><b>From:</b> Healeys <> <b>On Behalf
Of</b> Harold Manifold via Healeys<br><b>Sent:</b> 07 May 2022 02:37<br><b>To:</b> Ken Fleming via Healeys
<healeys@autox.team.net><br><b>Subject:</b> [Healeys] Oil Drain Plug Thread Size</p>
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<p class="MsoNormal"><span lang="en-gb"> </span></p>
<p class="MsoNormal">Well I am stumped again by another thread size
on my Austin Healey 3000. What size is the oil drain plug? It
measures 0.74” major diameter x 14 tpi.</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">Harold</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"> </p>
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