Search results

I use their trans fluid as fuel system lubricant.

:tank:

I had intended on replacing my trans and tc fluid with 80/90. I got to Napa and saw the 5 gal buckets of gl-1 so in a spur of the moment decision I decided to try it. It shifts so much better now and when I do grind it feels much softer, kinda like its better insulated. I'll remind you that I...

Well, if you run it long enough you'll find out sooner or later where those shavings came from. Are you talking shavings or flakes? I wouldn't worry too much either way unless you're finding gear teeth and ball bearings in you're oil change. Being it you first change on a new truck which you...

Turns out 50wt non detergent motor oil is hard to find. Guess I'm back to 80/90. Can anyone suggest a run of the mill 80/90 that is safe for our trans and transfer cases? Thanks! Edit: shell spirax it is.

At least you'll never change your mind about that.

Inherently it doesn't matter what I choose. I'll convince myself it was wrong in a couple months anyway. That's why I don't have any tattoos.

Thanks Rusty. One more clarification before my head explodes. So we are talking about using "50wt non detergent motor oil" in the trans and transfer case? Not 50wt gear oil? Thanks.

Also, am I correct in assuming the same oil should go in the transfer case as well?

40wt here. Probably change to 50wt. Also going to start adding zinc to the 15w40 in the motor.