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Spark Plug gap

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02-02-2011, 02:24 AM	#14
gchemist BAD BOW-Silverado XST Join Date: May 2000 Location: Senior Member from Austin, TX Posts: 6,431	Re: Spark Plug gap Oh, add a bigger air filter!! At mid to high RPMs you need more air!! Stock was 4" for gas engines. Your engine will run cooler too! __________________ Gerardo a.k.a. Mad Chemist Silverado XST videos Last edited by gchemist; 02-02-2011 at 02:25 AM.

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