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Old 09-17-2010, 10:35 PM   #74
1985-GMC
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Join Date: Jul 2009
Location: Canyon Lake Texas
Posts: 2,024
Re: yet another MPG thread

My old C30 with 4:10 gears got 7-8 with my foot in it all the time. I once got 12 out of it for no reason, redid my math over and over and never could figure out why it went up.
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1985 GMC K2500 restoration Project: Rust, White & Blue
1989 Chevy R3500 CC Cummins & 4X4 swap some day...
1989 Burb (D60, 14BFF, 12V, NV4500, NP205, 37" tires in progress)
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