Hi: Did a 66 with a powerglide come with a 331 stock rear..?
Replacing it with a 355 rear with 15" wheels and a Turbo 350.....How is it on the open highway at 65..? Worth it or not?

Anybody got 355 gears in an auto...?

Bob

Go here, last 3 items on page are what you are looking http://www.speedworldmotorplex.com/calc.htm (http://www.speedworldmotorplex.com/calc.htm)

Thanks...I'll play around with the gears now...!!