Tranny and diff fluid
 

What are peoples recomendations. Its for an auto tranny.

Thanks

Re: Tranny and diff fluid
 

i hear royal purple is soem good ****, also dont forget ur GM limited slip additive

Re: Tranny and diff fluid
 

Redline D4 synthetic in tranny.... Dino oil + posi additive in Diff.....:)

Opinions vary... Search, there are acouple of threads on this....

Re: Tranny and diff fluid
 

So synthetic is ok for the auto tranny's too, i thought i remembered hearing it could be too slick.