Any good name brand should be fine. A lot of people swear by Amsoil. Rear diff is typically heavy gear oil, so any good brand should be fine.

Tranny needs to be Dexron III or IV.

True synthetics, although expensive, offer the best protection from wear.

__________________
RRGrassi


70's Southern Pacific #5608 Fairmont A-4 MOW car

13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete.

99 W210 E300 Turbo Diesel, chipped, DPF/Converter Delete. Still needs EGR Delete, 232K

90 Dodge D250 5.9 Cummins/5 speed. 400K

Gone and still missed...1982 w123 300D, 1991 w124 300D