best gear ratio

Carrier break is at 3.08. That and numerically lower are series II
3.23 and up are series 3.
If you're going that route I'd stay away from an offshore "posi" for less than $200.
Find a Camaro rear with a Torsen unit and gears and bolt it in. Axle spline count is different than your stock 26 spline so you'd need those too.
See how one thing leads to the next and the next and pretty soon you haven't driven it in a few years?:blam:
 
i googled torsen unit to see what it looks like different than the one with springs what kind has springs ? i have read the camaro has 28 spline axles can i use the camaro axles or do i need to buy grand national axles ?
 

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