Re: Gas Mileage is poor
I drove my 67 shortbed all through high school and college- between about 1977 and 1991 (took awhile to get out of college).
I put a 283 with a Qjet 4 barrel out of 66 Chevelle in it in about 1983. I had 31" tires on it for most of this time. Straight freeway at 60 mph (speedo read 50) I would get 16-18 mpg. I've got my old "logbook" somewhere, I'll double check when I find it. I remember calculating that every 5 mph faster I drove, it cost me 1 mpg.
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1967 GMC 1500 SWB. Driving this truck since I was 14.
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