I think I would use what the rebuilder says. Then if you have a problem he can't say you should have used the lube he specified. I always use 90 gearlube which now comes in multigrade like 75W90 or something like that.
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne Super In the Gallery Forum
