Originally Posted by Spotbiltxo
Would I use this same SAE 90 mineral transmission oil in the rear differential?

NO! You must use gear lube rated GL5 in the rear end. I like 85/140 viscosity. It also holds about 6 pts.

George

Last edited by Wrenchbender Ret.; 06/27/2020 4:54 PM.
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