Quote:
Originally Posted by DroppedZ84
I get 12mpg with Th350/3.42/28". I'm wanting to get upwards near 20mpg
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I would worry about the motor more than anything.
Maybe a 4.3 with a 2 barrel?
I honestly didn't see any improvement in milage going from a 350 to 700r4. Then again, I have a 2.73 rear

The first gear is nicer though.
-Jeremy