Carburetor rebuilds & ethenol

hoss73ford

Senior Member
Do most reputable carburetor rebuilders use anti-ethanol kits? I figure its best to stay away from old NOS kits due to the ethanol issue. I live in an area that doesn't have emission testing but they put ethanol in the gas. My '73 F-100 which the last owner had rebuilt, leaks gas from the accelerator pump no matter how much I tighten it plus it has a high idle some of the time.
 
Overtightening the screws often leads to a warped accelerator pump cover. Same with the power valve cap.
 
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