Got 2009 Dodge Ram QQTD 4x4 with AAM 9.5 up front & 11.5 rear differentials with stock covers, pretty sure oem is 75/90 GL5, no LS additive
It's time for a differential oil change and could use some info on which oil is best? I tow a 10k load about 3k miles a year....so which of these is best and why?
1) Redline gear oil 75/90 or 75/140
2) Mobil Delvac 1 gear oil 75/90 or 80/140
3) Amsoil severe gear 75/140
4) Schaefer (they got a bunch, not sure which one)
5) Shell Spirax 75/140
Please no "I've used XYZ oil forever and had no problems", I've at already read all of those threads and I'm looking for more detailed info on one of these VS the other(s) to see which ones best to run.
Thanks
It's time for a differential oil change and could use some info on which oil is best? I tow a 10k load about 3k miles a year....so which of these is best and why?
1) Redline gear oil 75/90 or 75/140
2) Mobil Delvac 1 gear oil 75/90 or 80/140
3) Amsoil severe gear 75/140
4) Schaefer (they got a bunch, not sure which one)
5) Shell Spirax 75/140
Please no "I've used XYZ oil forever and had no problems", I've at already read all of those threads and I'm looking for more detailed info on one of these VS the other(s) to see which ones best to run.
Thanks