|03-17-2012 11:03 PM|
|DirtyRob||I always run Rotella in my 4.0's.|
|03-17-2012 07:14 PM|
I wont ever run syn in my axles, currie did a study saying it actually increased tempuratures in the housing and my buddy who does diffs for a living won't warranty anything that has run in it.
But I do use RP Max-EX p/s fluid
|03-17-2012 07:11 PM|
|03-17-2012 03:11 PM|
Awesome reference Master4th
Brand wise, I just tried Royal Purple in mine. With the same weight motor oil as I was running before, there is a 10-15 psi increase in oil pressure. Runs smoother too, very pleased.
|03-17-2012 01:11 PM|
10w30 or 5w30 depending on climate.
|03-17-2012 12:45 PM|
1995 Wrangler YJ 4.0i - which engine oil?
I can't find my handbook , what viscosity do I need for a 4.0i from 1995?
Thanks very much