01-01-2011, 12:20 AM
I have a mildly built 351W in my 1970 Mach 1. It has 255/60s on 15 inch wheels. My son wants a higher ratio but i am thinking 3.5 to keep the rpm reasonable on the highway. However we do not usually go for really long runs. What do you think and what are you running?
Thanks
Thanks