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Yup. My BJ8 does the same, but I haven't driven the BN2 enough to say it
does too (I presume it does/will).
You said 'would not restart,' as in it would crank, but not fire, or
wouldn't crank? When a marginal starter gets heat-soaked they often
won't crank the engine as fast which, of course, makes starting more
difficult. Same with a heat-soaked, marginal fuel pump; it might not
pump well enough to (at least partly) overcome cavitation in the fuel line.
Bob
On 11/12/2020 8:12 AM, WILLIAM B LAWRENCE via Healeys wrote:
> Sounds like the standard, factory correct Healey vapor lock. When the
> engine is turned off residual heat soaks out of the engine and boils
> the fuel in the float bowls. Try cooling the float bowls with a spray
> of water or a wet rag. If that solves it you know the problem,
> although not necessarily the solution.
>
> Bill Lawrence
> BN1 #554
> ------------------------------------------------------------------------
> *From:* Healeys <healeys-bounces@autox.team.net> on behalf of Keith
> Pennell via Healeys <healeys@autox.team.net>
> *Sent:* Thursday, November 12, 2020 3:26 PM
> *To:* healeys@autox.team.net <healeys@autox.team.net>
> *Subject:* [Healeys] Rough running
> Two days ago I took the BJ8 out for its every-four-month exercise.
> Just as before it ran beautifully for the first 8 or so miles then
> began to develop a miss. Temp gauge around 180 and ambient temp 80-82
> F. When I stopped for some photo taking it would not restart (as I
> was afraid it would). Temp gauge above 220. After a 20 minute
> cooling off and allowing the temp to drop below 200 it reluctantly
> restarted, still with a miss, and I hurried on home.
> Any thoughts on what is the cause of this behavior?
>
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Yup. My BJ8 does the same, but I haven't driven the BN2 enough to
say it does too (I presume it does/will).<br>
<br>
You said 'would not restart,' as in it would crank, but not fire, or
wouldn't crank? When a marginal starter gets heat-soaked they often
won't crank the engine as fast which, of course, makes starting more
difficult. Same with a heat-soaked, marginal fuel pump; it might not
pump well enough to (at least partly) overcome cavitation in the
fuel line.<br>
<br>
Bob<br>
<br>
<br>
<div class="moz-cite-prefix">On 11/12/2020 8:12 AM, WILLIAM B
LAWRENCE via Healeys wrote:<br>
</div>
<blockquote type="cite"
cite="mid:BYAPR15MB22133C3E7CA87A68478ADE52A5E70@BYAPR15MB2213.namprd15.prod.outlook.com">
<meta http-equiv="Content-Type" content="text/html;
charset=windows-1252">
<div>Sounds like the standard, factory correct Healey vapor lock.
When the engine is turned off residual heat soaks out of the
engine and boils the fuel in the float bowls. Try cooling the
float bowls with a spray of water or a wet rag. If that solves
it you know the problem, although not necessarily the solution.</div>
<div><br>
</div>
<div>Bill Lawrence</div>
<div>BN1 #554</div>
<hr style="display:inline-block;width:98%" tabindex="-1">
<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt"
face="Calibri, sans-serif" color="#000000"><b>From:</b>
Healeys <a class="moz-txt-link-rfc2396E"
href="mailto:healeys-bounces@autox.team.net";><healeys-bounces@autox.team.net></a>
on behalf of
Keith Pennell via Healeys <a class="moz-txt-link-rfc2396E"
href="mailto:healeys@autox.team.net";><healeys@autox.team.net></a><br>
<b>Sent:</b> Thursday, November 12, 2020 3:26 PM<br>
<b>To:</b> <a class="moz-txt-link-abbreviated"
href="mailto:healeys@autox.team.net";>healeys@autox.team.net</a>
<a class="moz-txt-link-rfc2396E"
href="mailto:healeys@autox.team.net";><healeys@autox.team.net></a><br>
<b>Subject:</b> [Healeys] Rough running</font>
<div> </div>
</div>
<div>
<div style="color:black; font:10pt arial">Two days ago I took
the BJ8 out for its every-four-month exercise. Just as before
it ran beautifully for the first 8 or so miles then began to
develop a miss. Temp gauge around 180 and ambient temp 80-82
F. When I stopped for some photo taking it would not restart
(as I was afraid it would). Temp gauge above 220. After a 20
minute cooling off and allowing the temp to drop below 200 it
reluctantly restarted, still with a miss, and I hurried on
home.
<div>Any thoughts on what is the cause of this behavior? </div>
</div>
</div>
<br>
</blockquote>
<br>
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