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Old 06-14-2011, 07:40 AM   #4
Ole Don
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Join Date: May 2010
Location: St. Michael, Minnesota
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Default Re: Holley 4000 - Advice Needed

A stumble on hard acceleration usually is a lean spot in the RPM band. The winter squirt position is richer, so that should solve your problem. Often, when people degrade your restored car, they secretly wish it were theirs.
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