Have a 96 SS # 57 with 17000 miles. Want to do an all fluid change using Royal Purple. Any one using this if so how bout some feedback. It's a 6 speed with torsen rear end. Thanks

 

Go read there :

http://www.bobistheoilguy.com/

There are a lot of forum about engine fluid,trans fluid,rear end fluid etc.

They recommend for the engine:

-Castrol German syntech 0w30
-Mobil 1 syntech 0w40
-Amsoil syntech european 5w40

For the rest just check it out