I get about the same MPG you get, 12.4, on the highway when i drive about 70 in my truck. I have 3.07 gears and 27" tires. I was only getting 9-10, until i discovered that my odometer wasn't working properly, so i found my MPG on a known distance. I really wish i could get a little better. With the Q-jet i once had i was getting about 13 with 50/50 highway/city driving, but my Edelbrock 1406 dosen't fare quite so well........
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'72 Chevy C10 Mild 350/TH350/3.07. Ochre/White. Old high school ride.
'70 GMC C2500 '62 327 4bbl/SM465/4.56-geared Dana 60. White/White. Project or parts truck.
'97 Saturn SL DD. 1.9/5-speed. 40+ highway mpg
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