motor surging


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By Bobby O 55 - 8 Years Ago
Hi guys, I have a 55 Victoria w/a 272 in it. I've converted to electronic ignition, changed to 8 volts, etc. I had it out for a ride last week. When it warmed up it started to surge as I was driving. I put it in neutral and revved it up a little it stopped. I put it back in drive and took off. As soon as I took my foot off the gas and started to slow down it started surging again. Could it be a vacuum leak or what? Has anyone had this problem. Thank You.

By 56_Fairlane - 8 Years Ago
I'm thinking it could be a sticking needle valve or low float level in the carb. I've had something like this happen on another carbureted car I once owned and it was a sticky worn needle.
By Bobby O 55 - 8 Years Ago
It's a rebuilt I put in last year.
By Bobby O 55 - 8 Years Ago
It's not a teapot it's a 2 barrel. It's a rebuilt. I put it in about 2yrs ago, ran great. It just started this surging thing about three weeks ago.
By 56_Fairlane - 8 Years Ago
I still think it's something carb related. What kind of carb is it? Have you checked the fuel filter?
By paul2748 - 8 Years Ago
Long shot I guess - but a 8 volts on a 6 volt electronic ignition?????
By 62bigwindow - 8 Years Ago
What conversion kit did you use?
By Bobby O 55 - 8 Years Ago
I have a Mallory ignition for a Y Block.
By Talkwrench - 8 Years Ago

Are you using the correct ohms rated coil to match ?

This does sound like a lean condition from your description..

By Bobby O 55 - 8 Years Ago
I bought the coil at the same time I bought the distributor. It came as a package.
By Lord Gaga - 8 Years Ago
Sounds fuel related. A lean condition possibly. I would check everything from the tank pick-up  up to and including the carb.