I use 3.31 in my '70 SS 454(468) and love
them. Unless you have slicks or street slicks
I don't see the need for any more than 3.55's
as you will be continuously breaking traction
May sound good but is hard on tires and parts
and those 5L. F**ds will drive away from you.
A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more!