Yeah that's what I'm thinking. So mine might not be working. 


Yeah that's what I'm thinking. So mine might not be working.![]()
This is going to be harder since I have the lift and all that sutff has to come off for access to the diff What did you fill the case with? I got the Amsoil severe gear from Nick.
What did you fill the case with? I got the Amsoil severe gear from Nick.
I used Lucas 80W-90 Heavy Duty oil (GL-5).I learned that these older diffs need regular dino gear oil and that the clutches in 'em don't like synthetic oils.I might give Nick a holler when I open up the rear diff to see how it's doing in a month or so.