<div style="color:black;font: 10pt arial;">Two comments to your original post.
<div>The carb float bowl overflow pipe cannot "siphon" fuel out of the float bowl. It only drains excess fuel out when for example the float valve does not seat correctly.</div>
<div>You cannot blow fuel/air backward thru an SU fuel pump. It's internal valves act as a check valve preventing reverse flow. I am not familiar with the operation of the aftermarket pump you also have installed. Is in in series or in parallel with the SU? Do you have an original gas tank? Has it been internally coated?</div>
<div>Gary Hodson </div>
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<div style="font-family:arial,helvetica;font-size:10pt;color:black">-----Original Message-----<br>
From: Perry via Healeys <healeys@autox.team.net><br>
To: Brian Drab <bgdrab@redzone.ca>; healeys@autox.team.net <healeys@autox.team.net><br>
Sent: Fri, May 29, 2020 7:00 am<br>
Subject: Re: [Healeys] Running Problem<br>
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<div class="yiv3340997581MsoNormal">Brian</div>
<div class="yiv3340997581MsoNormal">With the info you provided there isn’t to many “causes” that would fit those parameters.</div>
<div class="yiv3340997581MsoNormal"> Fuel on the ground under the front of the car---very over rich situation at the carbs, likely a float needle stuck open. Not sure if the fuel spill happened when the ignition was on or off.</div>
<div class="yiv3340997581MsoNormal">When it does start, runs rough. You didn’t mention if it was belching black smoke out the tailpipes. Could be lean or rich but since you mentioned the spark plugs looked OK suspect lean condition ---</div>
<div class="yiv3340997581MsoNormal">Suspect clog at the float needle. It only takes a very small flake of rust or crud to block them or hold them open.</div>
<div class="yiv3340997581MsoNormal">The carbs really don’t care if a bit of air is being sucked through the fuel line as long as the carb bowl stays at the proper fuel level in the float chamber.</div>
<div class="yiv3340997581MsoNormal">Did you collect a sample of the fuel when you ran the pump with the fuel line disconnected? Wasn’t sure what “ran clear” meant other than no bubbles. Was it a visual observation or inspected sample.</div>
<div class="yiv3340997581MsoNormal">I’m leaning towards a rusty fuel tank or accumulated crud in the fuel system. As others mentioned, a filter between the pump and carb will remove the offending substances before it gets to the one place that makes the engine act up, fuel wise.</div>
<div class="yiv3340997581MsoNormal">Perry</div>
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<div class="yiv3340997581MsoNormal">Sent from <a rel="nofollow" shape="rect" target="_blank" href="https://go.microsoft.com/fwlink/?LinkId=550986">Mail</a> for Windows 10</div>
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<div class="yiv3340997581MsoNormal" style="border:none;padding:0in;"><b>From: </b><a rel="nofollow" shape="rect" ymailto="mailto:bgdrab@redzone.ca" target="_blank" href="mailto:bgdrab@redzone.ca">Brian Drab</a><br clear="none"><b>Sent: </b>Thursday, May 28, 2020 8:57 PM<br clear="none"><b>To: </b><a rel="nofollow" shape="rect" ymailto="mailto:healeys@autox.team.net" target="_blank" href="mailto:healeys@autox.team.net">healeys@autox.team.net</a><br clear="none"><b>Subject: </b>[Healeys] Running Problem</div>
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<div class="yiv3340997581MsoNormal"><span lang="EN-CA">I guess I wasn’t too clear on something in my first post I only smelled raw gas once and it only leaked fuel once. Since then I have searched for some source of fuel leakage but can’t find any. I was thi8nking that it might be sucking air as well as gas through some hole in tank to pump lines, but when I checked the fuel delivery it ran clear with no air bubbles in the gas..</span></div>
<div class="yiv3340997581MsoNormal"><span lang="EN-CA">Brian Drab</span></div>
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