Quote Originally Posted by monty View Post
Looks like API-GL.5. Label also says suitable where SAE 80W-90 EP us specified.
I'll assume then that front diff and transfer case is ok. Also just to clarify car is 1991 build.

So if I got some GL4 would that be a better option for emergency situation?
What then about rear diff with the LSD?
LSD diff oil. You can't use normal diff/gear oil on LSDs.