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Old 09-09-2019, 10:31 AM   #8
Purdy Swoft
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Join Date: May 2010
Location: Alabama
Posts: 8,015
Default Re: Flat spot in carburetor

My experience with improper float level has been that the engine would backfire if the float was set too low . I agree with post 5 and 6 . Usually the pot metal carburetors like the Marvel and Tillotson carbs tend to have more vacume leaks . Opening the GAV a bit more will usually help .
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