Originally Posted by 12l4newb
I am reading conflicting recommendations on diff rings. some are saying you want to have polished diff rings while others are saying to sand them. what are "most" people doing and what are the pros and cons?
you want to use no finer then 600 grit. if you polish the ring with like 2000, the balls will actually slide along the rings instead of roll. you want just enough fricton on the ring to make the ball roll, but not enought to make them notchy fealing. so 600 is about where you want to be.