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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>To all of you who responded to my cry for help, THANK YOU so much for your suggestions. As it turns out, the root cause of the problem was timing. The stock distributor had been upgraded several years ago to a Pertronix electronic module which had worked itself loose inside the distributor causing the timing to become erratic. Tugging on the leads to the coil would cause the engine to increase its RPMs and run smoothly. Pushing them back into the distributor reintroduced the backfire and coughing. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks again for everyone’s help.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Jim<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> Mgs <mgs-bounces@autox.team.net> <b>On Behalf Of </b>John DiFede<br><b>Sent:</b> Sunday, April 24, 2022 7:28 AM<br><b>To:</b> Robert Rutherford <rrutherf@ucalgary.ca><br><b>Cc:</b> MGB-V8@autox.team.net; MG Digest <mgs@autox.team.net><br><b>Subject:</b> Re: [Mgs] Coughing, spitting, and dying<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>Sounds like a fuel problem. The Edelbrock 1404 is a simple carburetor to work on as it is a copy of the Carter AFB carb used since the 60’s. Is your choke set properly when cold and hot? The AFB used a mechanical fuel pump- make sure that facet pump you’re using has the correct fuel pressure for the AFB. Also check your vacuum. Is the vacuum reading steady or is the gauge needle fluctuating back and forth? You may have a vacuum leak affecting fuel mixture. When the engine is cold and the choke is on you have a rich mixture allowing the engine to run poorly. Once the choke opens the mixture goes lean due to the vacuum leak possibly leading to your motor stalling. <o:p></o:p></p><div><p class=MsoNormal>Sent from my iPhone <o:p></o:p></p></div><div><p class=MsoNormal><br><br><o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal style='margin-bottom:12.0pt'>On Apr 23, 2022, at 11:10 PM, Robert Rutherford <<a href="mailto:rrutherf@ucalgary.ca">rrutherf@ucalgary.ca</a>> wrote:<o:p></o:p></p></blockquote></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal> Coughs, spits, dies - sounds like Covid to me.<o:p></o:p></p><div><p class=MsoNormal><br><br><o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>On Apr 21, 2022, at 12:34 PM, Max Heim <<a href="mailto:mvheim@sonic.net">mvheim@sonic.net</a>> wrote:<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 style='caret-color: rgb(0, 0, 0);orphans: auto;widows: auto;-webkit-text-size-adjust: auto;-webkit-text-stroke-width: 0px;word-spacing:0px'><tr><td style='padding:0in 0in 0in 0in'><p class=MsoNormal style='margin-bottom:7.5pt'><span style='font-family:"Helvetica",sans-serif;color:red'>[</span><span style='font-family:"Cambria Math",serif;color:red'>△</span><span style='font-family:"Helvetica",sans-serif;color:red'>EXTERNAL]<o:p></o:p></span></p></td></tr></table><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'><br style='caret-color: rgb(0, 0, 0);font-variant-caps: normal;text-align:start;-webkit-text-stroke-width: 0px;word-spacing:0px'><br></span><o:p></o:p></p><div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'>Sounds more like a carb/fuel issue to me. Can’t see how it would be electrical.<o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'>Sent from my iPad<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'><br><br><o:p></o:p></span></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'>On Apr 21, 2022, at 11:58 AM,<span class=apple-converted-space> </span><a href="mailto:jimray@hartcom.net">jimray@hartcom.net</a><span class=apple-converted-space> </span>wrote:<o:p></o:p></span></p></blockquote></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Tahoma",sans-serif'></span><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'> <o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif'>Have an 80 MGB V8 conversion that has developed a problem I can’t get my hands around. When cold it coughs and sputters when first starting up and when warm will not run at idle without stalling after several minutes. Thinking it might be an electrical issue, I replaced the plugs, plug wires, distributor cap, coil, and battery. It has a PerTronix Ignitor module installed which I did not replace. The battery shows 12.7 volts on my meter. The alternator is producing 14.6 volts at ~1500 RPMs and 14.3 under load. Fuel is fed to an Edelbrock 1404 carburetor via a Facet electric pump with new filters in the line at the pump and just before the carburetor. I use 93 octane non-ethanol gas. I appreciate any thoughts or suggestions you may have.</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif'>Jim Ray</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial",sans-serif;color:#373737'> </span><o:p></o:p></p></div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'>_______________________________________________<br><br><a href="mailto:Mgs@autox.team.net">Mgs@autox.team.net</a><br>Donate:<span class=apple-converted-space> </span><a href="http://www.team.net/donate.html">http://www.team.net/donate.html</a><br>Suggested annual donation $12.75<br><br>Archive:<span class=apple-converted-space> </span><a href="http://www.team.net/pipermail/mgs">http://www.team.net/pipermail/mgs</a><span class=apple-converted-space> </span><a href="http://autox.team.net/archive">http://autox.team.net/archive</a><br><br>Unsubscribe:<span class=apple-converted-space> </span><a href="http://autox.team.net/mailman/options/mgs/mvheim@sonic.net">http://autox.team.net/mailman/options/mgs/mvheim@sonic.net</a><o:p></o:p></span></p></div></blockquote></div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'>_______________________________________________<br><br></span><a href="mailto:Mgs@autox.team.net"><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'>Mgs@autox.team.net</span></a><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'><br>Donate:<span class=apple-converted-space> </span></span><a href="http://www.team.net/donate.html"><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'>http://www.team.net/donate.html</span></a><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'><br>Suggested annual donation $12.75<br><br>Archive:<span class=apple-converted-space> </span></span><a href="http://www.team.net/pipermail/mgs"><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'>http://www.team.net/pipermail/mgs</span></a><span class=apple-converted-space><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'> </span></span><a href="http://autox.team.net/archive"><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'>http://autox.team.net/archive</span></a><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'><br><br>Unsubscribe:<span class=apple-converted-space> </span></span><a href="http://autox.team.net/mailman/options/mgs/rrutherf@ucalgary.ca"><span style='font-size:9.0pt;font-family:"Helvetica",sans-serif'>http://autox.team.net/mailman/options/mgs/rrutherf@ucalgary.ca</span></a><o:p></o:p></p></div></blockquote></div><p class=MsoNormal><br>_______________________________________________<br><br><a href="mailto:Mgs@autox.team.net">Mgs@autox.team.net</a><br>Donate: <a href="http://www.team.net/donate.html">http://www.team.net/donate.html</a><br>Suggested annual donation $12.75<br><br>Archive: <a href="http://www.team.net/pipermail/mgs">http://www.team.net/pipermail/mgs</a> <a href="http://autox.team.net/archive">http://autox.team.net/archive</a><br><br>Unsubscribe: <a href="http://autox.team.net/mailman/options/mgs/difejo1@gmail.com">http://autox.team.net/mailman/options/mgs/difejo1@gmail.com</a><o:p></o:p></p></div></blockquote></div></body></html>