My 70 Malibu build

[shadowgray396]

Originally Posted by Quadracer392

Well I really want a posi but I've never messed with anything like that before. What else can you do beside better axles or different gears?

Eaton-Makes a clutch Posi Unit -Heavy Duty Differential GM 8.2" 10-Bolt Chevy Posi Unit - 28 Spline - Posi Traction. Plus the gears and axles and you are set. Should handle any horsepower you have.