Question about 1988 Chevrolet K1500

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Help Please I have a 1988 chevy Scottsdale 305,It runs fine when it's cold ,but when it's warm it backfire's though the carbarator.I have new plugs,wires.fuel filter,rebuilt carb., I was wondering if it could be the timing chain and gear,if not what could it be?

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It does not sound like a timing issue because it only misfires when hot... sounds like choke adjustment ... if its elec... rotate cover of choke so it is leaner. Hope this helps

Posted on Aug 24, 2008

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