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<div class="userEdit" style="font-family: arial, helvetica, sans-serif; font-size: 14pt; color: rgb(0, 0, 0);"><span style="color: rgb(0, 0, 0); font-style: normal; font-weight: bold;">I had the same symptoms years ago.  Leak in the vaccuum going to the PCV valve.  I'm betting that's the issue.  Or possibly a bad PCV valve, but I still think it's  a bad line going to the valve. <br></span></div>
<div class="userEdit" style="font-family: arial, helvetica, sans-serif; font-size: 14pt; color: rgb(0, 0, 0);"><span style="color: rgb(0, 0, 0); font-style: normal; font-weight: bold;">Mark L</span></div>
<br>In a message dated 8/31/2024 3:49:03 PM Eastern Daylight Time, tigers@autox.team.net writes:
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<p class="yiv8325011580MsoNormal">I think a low float condition would not let it drive fine.</p>
<p class="yiv8325011580MsoNormal"> </p>
<p class="yiv8325011580MsoNormal">Many conditions can contribute to idle surging so it starts with a process of elimination.</p>
<p class="yiv8325011580MsoNormal"> </p>
<p class="yiv8325011580MsoNormal">Systems need to be checked – air, fuel and spark – loose wire connection, vacuum</p>
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<p class="yiv8325011580MsoNormal">Ron Fraser</p>
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<p class="yiv8325011580MsoNormal"><strong>From:</strong> Rob Hogan <robertdhogan@gmail.com> <br clear="none"><strong>Sent:</strong> Saturday, August 31, 2024 3:18 PM<br clear="none"><strong>To:</strong> Ron Fraser <rfraser@bluefrog.com><br clear="none"><strong>Cc:</strong> Stu <sabre2tgr@gmail.com>; Tiger Net <Tigers@autox.team.net><br clear="none"><strong>Subject:</strong> Re: [Tigers] The latest problem: Surging</p>
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<p class="yiv8325011580MsoNormal"><span style="font-size: 12.0pt; font-family: sans-serif;">Isn't idle surging typically from a carburetor low float setting?</span></p>
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<p class="yiv8325011580MsoNormal">On Sat, Aug 31, 2024 at 11:45 AM Ron Fraser <<a href="mailto:rfraser@bluefrog.com" target="_blank" rel="nofollow noopener noreferrer" shape="rect">rfraser@bluefrog.com</a>> wrote:</p>
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<p class="yiv8325011580MsoNormal">Stu</p>
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<p class="yiv8325011580MsoNormal">Always difficult to troubleshoot remotely.</p>
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<p class="yiv8325011580MsoNormal">You may have to do standard checks on all systems – air, fuel and spark</p>
<p class="yiv8325011580MsoNormal">Alcohol in the fuel can tear up hoses and gaskets</p>
<p class="yiv8325011580MsoNormal">Check to make sure fuel filter is OK</p>
<p class="yiv8325011580MsoNormal">Check for vacuum leaks</p>
<p class="yiv8325011580MsoNormal"> </p>
<p class="yiv8325011580MsoNormal">My 1^st thought – the fuel level is high</p>
<p class="yiv8325011580MsoNormal">Check the float level and check for any debris in the float bowl</p>
<p class="yiv8325011580MsoNormal"> </p>
<p class="yiv8325011580MsoNormal">Remove the air filter and idle engine to see if it is an air flow problem.</p>
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<p class="yiv8325011580MsoNormal">Hope this helps</p>
<p class="yiv8325011580MsoNormal">Ron Fraser</p>
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<p class="yiv8325011580MsoNormal"><strong>From:</strong> Tigers <<a href="mailto:tigers-bounces@autox.team.net" target="_blank" rel="nofollow noopener noreferrer" shape="rect">tigers-bounces@autox.team.net</a>> <strong>On Behalf Of </strong>Stu<br clear="none"><strong>Sent:</strong> Saturday, August 31, 2024 9:57 AM<br clear="none"><strong>To:</strong> Tiger Net <<a href="mailto:Tigers@autox.team.net" target="_blank" rel="nofollow noopener noreferrer" shape="rect">Tigers@autox.team.net</a>><br clear="none"><strong>Subject:</strong> [Tigers] The latest problem: Surging</p>
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<p class="yiv8325011580MsoNormal"><span style="font-size: 12.0pt;">Ok, so I got the vacuum advance sorted and reset the timing, etc.  But now there's another issue.</span></p>
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<p class="yiv8325011580MsoNormal"><span style="font-size: 12.0pt;">The car starts and warms up normally, choke opening, temperature gauge coming up to the thermostat temp, etc. But then it starts surging at idle.  Accelerating, driving both seem fine.  But when it goes back to idle, waiting at a stoplight or something, it starts having these little dips, which soon become larger dips, to the point where it stops.  It restarts right away, then does it again.  At a stoplight I have to left foot brake so that I can keep my foot on the throttle to keep it alive.   </span></p>
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<p class="yiv8325011580MsoNormal"><span style="font-size: 12.0pt;">Here's a video I shot in the garage as it started to do it after warming up.  Anybody seen this before or... cured it?</span></p>
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<p class="yiv8325011580MsoNormal"><a href="https://www.dropbox.com/scl/fo/0613ys0iegdndjhnjt5a8/AIcza8ouXqEsp57qLWSlZOY?rlkey=s9h2q3sal042y9z3t5oav2uwt&dl=0" target="_blank" rel="nofollow noopener noreferrer" shape="rect">https://www.dropbox.com/scl/fo/0613ys0iegdndjhnjt5a8/AIcza8ouXqEsp57qLWSlZOY?rlkey=s9h2q3sal042y9z3t5oav2uwt&dl=0</a></p>
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<p class="yiv8325011580MsoNormal" style="margin-bottom: 12.0pt;">_______________________________________________<br clear="none"><br clear="none"><a href="mailto:tigers@autox.team.net" target="_blank" rel="nofollow noopener noreferrer" shape="rect">tigers@autox.team.net</a><br clear="none"><br clear="none">Donate: <a href="http://www.team.net/donate.html" target="_blank" rel="nofollow noopener noreferrer" shape="rect">http://www.team.net/donate.html</a><br clear="none">Archive: <a href="http://www.team.net/pipermail/tigers" target="_blank" rel="nofollow noopener noreferrer" shape="rect">http://www.team.net/pipermail/tigers</a> <a href="http://autox.team.net/archive" target="_blank" rel="nofollow noopener noreferrer" shape="rect">http://autox.team.net/archive</a><br clear="none"><br clear="none">Unsubscribe: <a href="http://autox.team.net/mailman/options/tigers/robertdhogan@gmail.com" target="_blank" rel="nofollow noopener noreferrer" shape="rect">http://autox.team.net/mailman/options/tigers/robertdhogan@gmail.com</a><br clear="none"><br clear="none"></p>
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<div id="yqt66139" class="yqt8696563025">_______________________________________________<br clear="none"><br clear="none"><a href="mailto:tigers@autox.team.net" shape="rect">tigers@autox.team.net</a><br clear="none"><br clear="none">Donate: <a href="http://www.team.net/donate.html" target="_blank" rel="noopener" shape="rect">http://www.team.net/donate.html</a><br clear="none">Archive: <a href="http://www.team.net/pipermail/tigers" target="_blank" rel="noopener" shape="rect">http://www.team.net/pipermail/tigers</a> <a href="http://autox.team.net/archive" target="_blank" rel="noopener" shape="rect">http://autox.team.net/archive</a><br clear="none"><br clear="none">Unsubscribe: <a href="http://autox.team.net/mailman/options/tigers/coolvt@aol.com" target="_blank" rel="noopener" shape="rect">http://autox.team.net/mailman/options/tigers/coolvt@aol.com</a><br clear="none"><br clear="none"><br clear="none"></div>
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