A Stick will definitely stress it more. Good U joints and driveshaft first. Weld on ends or C clip eliminator and good axles should probably cover your needs. The next upgrade would be an Eaton 4 spring posi. For a really strong one get the 30 spline posi and axles to match.Lots of guys like the aluminum covers that act as a brace for the bearing caps also.
I've seen stock ones run in the 10s and prepped ones deep in the 9s.
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Skip Fix
1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever!
1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand
1965 GTO 4 barrel 3 speed project
2004 GTO Pulse Red stock motor computer tune [email protected]
1964 Impala SS 409/470ci 600 HP stroker project
1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs
1964 Corvette Coupe 327 4 speed
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