- Joined
- Dec 30, 2006
- Messages
- 29,558
Are there any pros or cons when choosing weights for a rear differential gear oil,like 75W90 vs 80W90 vs 75W140 vs 85W140? I`ve often wondered what the best all around rear differential GL5 gear oils are,weight wise,to ensure the longest lasting rear differential.
Is too thick of a rear diff oil a bad thing?
Is too thick of a rear diff oil a bad thing?