Trans, Tcase & Rear Diff Oils

[lozza]

I've used MT90 (GL-4) in g/box and transfer and GL-5 in the rear diff since new (160K). Shifts no diff to std - would like better.

When I drained the oil last week (after 80K and about 7 yrs) it was like new! I thought holy fark that's good stuff.

 

[GSRWRC]

Gearbox: Motul FF LSD (Yes, its GL5)
Transfer Case: Redline Heavyweight Shockrpoof
Rear Diff: Fuchs Titan Gear LS90