Oh and as for gear ratio, I have a 57 Chevy rear end with a 3.73 gear in it. I was going to use this but that is a little too much gear for highway use I think. I might look for a Ford 9"
What do you recommend for cruising and some highway? I don't want it screaming at 3,500 RPM's down the freeway like my 66 F100 does, it's annoying if you know what I mean.