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88-90 454 gas mileage
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02-07-2010, 03:31 AM
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Colt Cobra
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Join Date: Sep 2009
Location: East Texas
Posts: 253
Re: 88-90 454 gas mileage
7, all day everyday, wether Im driving 3 miles or 300 miles, I avg 7 in mine, 1988 C3500 Extended Cab Dually with 74,400 on orig. Motor Trans and Rear End...
Last edited by Colt Cobra; 02-07-2010 at
03:32 AM
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