My Mitsubishi AWD requires the GL-4 in the transfer case and transmission and GL-5 in the rear end. I have a 50-50 mix of Redline MT-90 and MTL in the front and 75W90 in rear.
I tried the Amsoil, the RedLine 50-50 mix shifts easier when cold.
I tried the Amsoil, the RedLine 50-50 mix shifts easier when cold.