Originally Posted by
gdcopbdcop
Wow, Great JOB!
i bought and installed the gear diff in my car. I ran it with 40 wt oil. made the back end way tooo loose. i then used 60 wt oil, was better, but i didnt have anything thicker. what oil do you guys recomend for the spec r rear gear diffs?
1000wt diff oil if you cant get that try 100wt shock oil