mastromi

Does anyone know of a good synthetic gear oil for the tranny in my 4sp 80 corvette? I think it recommends 80W90.

I was looking into the amsoil synthetic 80W90- Does enyone know a cheap place to purchase this stuff?

THANKS
mike

mvftw

If it's old and hasn't been rebuilt, I use Castrol 75w-90. I wouldn't use synthetic in an old box, it will leak out. Same goes for the rear (but add a bottle of GM posi fluild).

mastromi

cars got 24K miles: What do you think?

Van Steel

Amsoil is very good. We get ours from our diesel mechanic. I don't think regular autopart stores sell them. Usually Amsoil tranny comes in 5 gallon containers. I think you should try to find someone local that works on diesels and see if they have it. I have seen some garages around here that carry it and usually they have a sign on the window or something. Good luck.

pws69

Mobil 1 + GM Additive
or
Redline (which has the additive)

Garrett1972

You can now purchase AMSOIL right through there web sight, I just purchased 75/90w gear oil for my Harley in quart containers last month.

mvftw

Are the gaskets old?

mastromi

Not 100% sure because I'm not the original owner. However, I assume that the gaskets are original (Judging by the work i have done on the car). It's an 80 L48 with the 4sp stick. Real decent ride- looks like it came out of a museum or something.

THANKS FOR THE HELP
mike