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Old 09-02-2008, 01:44 PM   #5
jkaylor68gmc
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Join Date: Dec 2005
Location: TN
Posts: 2,448
Re: Going to the Dyno at 6:00 (sure I'll be dissapointed)

well, I saw how Tommy's Corvette did, made me sad. Rumor is these heads will make the truck hit 300 at the rear wheel or so I am told.

probably the combination of the new heads, bigger carb, better intake, aluminum roller rockers, Weiand aluminum water pump and carb spacer.
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