I believe ALL Powerglide transmissions are 1:1 final gear, so whatever rpm you run now to get to 70 mph with your stock transmission will be the same as with the Powerglide.

Mike B smile


Mike Boteler

1956 Chevy 3100 Resto Rod
1952 Willys M38 Army Jeep
1983 Jeep CJ7 Laredo
1984 Jeep CJ7
+++++
Silver Spring, MD