gears

have a 72 challenger with 727 trany has 3.23 gears want more power to rear wheels what gears should i put in rear axle

Engine? Converter? Cam? Street-only car? A little descriptive info can help the guys in the know here make the best selection for you.

There's a lot of highway where you live. How much dragging do you do?

I have 3.91's in my 383 Duster, and drive to the Terrace drags from the coast with no trouble.