Quick question. I have an ST165 that I just installed an ST205 torsen rear diff in. That rear end never made it to North America and I wanted to know what the best fluid is for it. Thanks.
The GM LSD additive is for clutch type limited slip diffs. I use it in my Camaro. I just use plain old Mobil1 75W90 synthetic lube in the Torsen unit in my All-Trac.