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Re: MPG ratings for '67 Full size engines?
I have a '68 Z24 that I bought almost new in October 1968, in Dayton, OH. In the early '80's I commuted to Pittsburgh (about 270 miles), using mostly freeways I71, I70, and I79. I averaged between 19 and 20 mpg while on the highways...4-spd and 3.31 gears!