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10-10-2009, 09:26 PM
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Registered User
Join Date: Jul 2009
Location: Beyond, TX
Posts: 61
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How to getter MPG? Switch gear ratios?
Hey everyone,
I am getting about 12 MPG on the highway at 70 mph (RPMs at 3000). Is that what most are getting. I have a 69 GMC short bed with 400 small block turbo 400 trans and 373 gears. Running edelbrock 600 carb. Do you think running 308 gears may help or should I look somewhere else to get better mileage. Thanks
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1969 GMC Wideside SWB 400ci/TH400/373/Disc Brakes/Leaf Springs 1992 Chevy C3500 Ext Cab Dually Silverado 454 TBI 2007 Chevy Corvette ZO6 427ci 505HP |
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