Quote:
Originally Posted by SCOTI
You need to consider an LS based drivetrain for those numbers. I don't think you'll get there w/the old school power plants despite their reliability (even w/lots of tuning). Even then..... Aerodynamics will hinder the goal. My buddies more fluid 2000 GM truck (single cab short-fleet) yielded about 23mpg on the highway w/the LS based 5.3/4l60e combo. With tuning you might reach a similar number in a square but an LS power plant is more efficient vs a sbc.
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Well I might just have to keep the small block and change it to a five speed. Then get an older camaro, monte carlo or something along those lines and put an ls in it.
I really appreciate all of your help and knowledge, I would've gone and done all this only to find out that it doesn't work.