<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>I think a low float condition would not let it drive fine.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Many conditions can contribute to idle surging so it starts with a process of elimination.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Systems need to be checked – air, fuel and spark – loose wire connection, vacuum<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Ron Fraser<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b>From:</b> Rob Hogan <robertdhogan@gmail.com> <br><b>Sent:</b> Saturday, August 31, 2024 3:18 PM<br><b>To:</b> Ron Fraser <rfraser@bluefrog.com><br><b>Cc:</b> Stu <sabre2tgr@gmail.com>; Tiger Net <Tigers@autox.team.net><br><b>Subject:</b> Re: [Tigers] The latest problem: Surging<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Verdana",sans-serif'>Isn't idle surging typically from a carburetor low float setting?<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Sat, Aug 31, 2024 at 11:45 AM Ron Fraser <<a href="mailto:rfraser@bluefrog.com">rfraser@bluefrog.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Stu<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Always difficult to troubleshoot remotely.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>You may have to do standard checks on all systems – air, fuel and spark<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Alcohol in the fuel can tear up hoses and gaskets<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Check to make sure fuel filter is OK<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Check for vacuum leaks <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>My 1<sup>st</sup> thought – the fuel level is high<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Check the float level and check for any debris in the float bowl<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Remove the air filter and idle engine to see if it is an air flow problem. <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hope this helps<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Ron Fraser<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b>From:</b> Tigers <<a href="mailto:tigers-bounces@autox.team.net" target="_blank">tigers-bounces@autox.team.net</a>> <b>On Behalf Of </b>Stu<br><b>Sent:</b> Saturday, August 31, 2024 9:57 AM<br><b>To:</b> Tiger Net <<a href="mailto:Tigers@autox.team.net" target="_blank">Tigers@autox.team.net</a>><br><b>Subject:</b> [Tigers] The latest problem: Surging<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><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><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:12.0pt'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><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><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:12.0pt'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><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><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:12.0pt'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><a href="https://www.dropbox.com/scl/fo/0613ys0iegdndjhnjt5a8/AIcza8ouXqEsp57qLWSlZOY?rlkey=s9h2q3sal042y9z3t5oav2uwt&dl=0" target="_blank">https://www.dropbox.com/scl/fo/0613ys0iegdndjhnjt5a8/AIcza8ouXqEsp57qLWSlZOY?rlkey=s9h2q3sal042y9z3t5oav2uwt&dl=0</a><o:p></o:p></p></div></div></div></div></div><p class=MsoNormal style='margin-bottom:12.0pt'>_______________________________________________<br><br><a href="mailto:tigers@autox.team.net" target="_blank">tigers@autox.team.net</a><br><br>Donate: <a href="http://www.team.net/donate.html" target="_blank">http://www.team.net/donate.html</a><br>Archive: <a href="http://www.team.net/pipermail/tigers" target="_blank">http://www.team.net/pipermail/tigers</a> <a href="http://autox.team.net/archive" target="_blank">http://autox.team.net/archive</a><br><br>Unsubscribe: <a href="http://autox.team.net/mailman/options/tigers/robertdhogan@gmail.com" target="_blank">http://autox.team.net/mailman/options/tigers/robertdhogan@gmail.com</a><br><br><o:p></o:p></p></div></blockquote></div></div></body></html>