3.54 rear gear in 46 to 48 convertible

[ford3]

to start with it would be helpful if you would go back and update your profile, mostly as to what city and state your in, in calif ,might be a little high for states that have a lot of mountains, Nevada or any states that are mostly flat that gear will be alright, hiway or city driving your good, so let us know where your at and then we can give a little more exact advice, 4:11 gears are usually found in over drive cars