<p dir="ltr">They only stop leaking when they are out of oil. So most likely related to the failure.</p>
<p dir="ltr">Ira Erbs<br>
1959 100-6<br>
MKI engine and disc brakes<br>
Portland,OR</p>
<div class="gmail_extra"><br><div class="gmail_quote">On Nov 6, 2016 9:38 PM, "Jean Caron" <<a href="mailto:vintage_roadster_restoration@hotmail.com">vintage_roadster_restoration@hotmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">
<div id="m_2798980074683027735divtagdefaultwrapper" style="font-size:12pt;color:#000000;font-family:Calibri,Arial,Helvetica,sans-serif" dir="ltr">
<p>I have used sealant as well, just rebuilt an overdrive last week and used sealant, will it make a difference, not so sure about that, but I have long accepted the fact that Austin-Healey leak oil and I don't worry about it. Several years ago, a Club member
proudly told me that his Healey no longer had any oil leaks and within a week the engine blew, was it related, not sure but what a coincidence.</p>
<p><br>
</p>
<p>Jean<br>
</p>
<br>
<br>
<div style="color:rgb(0,0,0)">
<hr style="display:inline-block;width:98%">
<div id="m_2798980074683027735divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" color="#000000" face="Calibri, sans-serif"><b>From:</b> Healeys <<a href="mailto:healeys-bounces@autox.team.net" target="_blank">healeys-bounces@autox.team.<wbr>net</a>> on behalf of David Porter <<a href="mailto:frogeye@porterscustom.com" target="_blank">frogeye@porterscustom.com</a>><br>
<b>Sent:</b> November 7, 2016 12:45 AM<br>
<b>To:</b> Michael Salter; Austin Healeys List<br>
<b>Cc:</b> Healey List<br>
<b>Subject:</b> Re: [Healeys] Overdrive Question</font>
<div> </div>
</div>
<div>
<p>I concur, but have on occasion used sealant. It's a PITA to get on both sides properly during assembly.. There can be some dissimilar metal corrosion after all this time passage.</p>
<p>DaveP</p>
<p><br>
</p>
<br>
<div class="m_2798980074683027735moz-cite-prefix">On 11/6/2016 2:22 PM, Michael Salter wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">
<div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small">
Hi Andy,<br>
</div>
<div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small">
The thing is that there is no mention of the use of any type of sealant on the clutch ring in any of the literature that I have on the overdrive units...
<br>
Hard to imagine but I have never seen evidence of any on the virgin units that I have disassembled... I think it was just a dry joint!!!<br>
</div>
<div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small">
Michael S<br>
</div>
<div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small">
BN1 #174<br>
</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Sun, Nov 6, 2016 at 4:06 PM, Austin Healeys List <span dir="ltr">
<<a href="mailto:austinhealeyslist@gmail.com" target="_blank">austinhealeyslist@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
HI Michael<br>
<br>
It has nothing to do with the studs stretching and everything to do<br>
with the aluminium housing flexing. It only needs to move a tiny bit<br>
to unstick the sealant and after that there is no longer anything<br>
stopping the oil weeping out. I'll run an FEA simulation on it some<br>
time to show just how flexible the ali case is.<br>
<br>
btw, Yamabond, Kawabond, Hondabond, Suzukibond etc are all OEM names<br>
for ThreeBond sealant.<br>
<br>
Andy.<br>
<div class="m_2798980074683027735HOEnZb">
<div class="m_2798980074683027735h5"><br>
<br>
On 11/7/16, Michael Salter <<a href="mailto:michaelsalter@gmail.com" target="_blank">michaelsalter@gmail.com</a>> wrote:<br>
> Out of interest I just did the calculations for the change in length of the<br>
> studs in this case.<br>
> Assuming:<br>
> 4 x 5/16" dia studs with an effective diameter of 0.25" each (thread root)<br>
> and a length of 3" (in actual fact only the bottom pair are that long).<br>
> 0.8 G of braking (which is probably way higher than our tires can generate)<br>
> Young's Modulus of 30,000,000 @ 100 degrees F<br>
> 700 lbs of engine and gearbox (which is probably very high considering that<br>
> the the mounts are all rubber and the main engine mounts would absorb a<br>
> fair bit as well)<br>
> Works out to about 0.00028" of stretch.<br>
> That's less than 10% of a human hair and only during panic braking if the<br>
> tie rod is the only thing resisting the load.<br>
> I think that there must be other contributing factors...<br>
> Michael S<br>
> BN1 #174<br>
><br>
> On Sun, Nov 6, 2016 at 11:19 AM, Bluehealey <<a href="mailto:bluehealey@gmail.com" target="_blank">bluehealey@gmail.com</a>> wrote:<br>
><br>
</div>
</div>
</blockquote>
</div>
<br>
<br clear="all">
<br>
-- <br>
<div class="m_2798980074683027735gmail_signature">
<div dir="ltr">
<div>
<div dir="ltr"><i><font size="2"><span style="color:black">If you can't fix it with a hammer, you've got an electrical problem.</span></font></i><br>
<br>
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