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texastruckjunky · 08-18-2009, 02:04 AM

mine has a 454 with .505 lift cam. 1 over the RV cam. Headers 2 1/2 exhaust w/flowmasters and a factory Holly spreadbore carb. In town about 6-8 driving like grandpa. Hwy 9-11 55-60.

08-18-2009, 02:04 AM	#70
texastruckjunky Registered User Join Date: May 2009 Location: San Antonio,Texas Posts: 220	Re: What's your fuel Mileage? mine has a 454 with .505 lift cam. 1 over the RV cam. Headers 2 1/2 exhaust w/flowmasters and a factory Holly spreadbore carb. In town about 6-8 driving like grandpa. Hwy 9-11 55-60.