Help with Differential problem on 1957 Transtar (3E7) - twin traction

[tim mccracken]

Hi folks. Unfortunately my first post here is a cry for help!

I acquired a '57 Transtar last year. No problems for the first months of driving....

[Jalopynut]

I could use some advice from all of you Studebaker owners with experience with the Twin Traction rear axle. My 57 Golden Hawk originally came equipped...

[Bob V]

After a five year search, I just bought a 64 Avanti R-1 with Twin Traction. I'm in the process of flushing/draining all the fluids and replacing with...

[sven]

So I have a lark with the TT, I've had the car for 6-7 years and never serviced the rear end. Anyone know what the additive or best setup is for the TT...