For those of you who change your own rear differential oil, where do you buy it from? I checked Crappy tire and part source, they only carry motormaster stuff. Looking for the good stuff, Amsoil, Mobil 1 etc....

Thanks

Peter

 

I looked up an Amsoil dealer from their website. Found a local guy to me, sells it out of his house, been going to him for a few years now...

 

Got mine from Napa. Castrol.

 

I've always used Lucas Synthetic (Diff and Tranny lube) available at Parts Source......and at some CTC's.
It's a little more costly but worth it IMHO.

C.

 

i used motul from speedstar.

 

royal purple from Discount auto

 

I don't remember for sure, but do the LSD diffs require a different lube? (c/w friction modifier)

 

I used Motul gear 300 with GM whale **** as an additive(cant remeber what its called but its blue) for LSDs.

 

That's what I wondered, but I didn't see it in the service manual.

 

Apparently not. The unit used on these cars isn't a clutch pack-torsen. My understanding is the viscous fluid in our VLSD is separate from the diff fluid and no friction modifier is required.

 

Ahhh that makes sense.

 

Do you have any NAPA auto parts up there? My local one has the Red Line fluids I use in stock.

 

Yeah, we have NAPA but IDK if they carry Redline products (never seen it there)
There are other retail outlets that do carry it here.

 

The NAPA in Scarborough only carries Castol. Looks like I am gonna order Amsoil from their site.

Thanks for the input everyone

 

(stupid question) Does the differential have its own drain plug or do you have to pull a cover off?