My 1957 Chevy Belair is getting a new 350 small block crate with roller cam and edelbrock proflo 4 efi, 700R4 4 speed with .70 ratio overdrive, 9” rear, 27” tall tires.
Thoughts on a 3.90 or 3.70 gear ratio?
Im having my 283 rebuilt and while its in the shop im considering having the stock gear ratio changed. It has a 3.36 but i would like to go much lower if i could. How low of a ratio could i get? I refuse to change out the powerglide, and it sees a good amount of highway use so those RPMS are...