Originally Posted by
ridepate
I think the Losi diff-nut is more to blame than the screw. It's aluminium. I've had two go loose and replaced them with a stronger metal nut and the problem went-away.
Losi has used aluminum diff nuts for a very long time . The only issue for people having Problems is that it requires tightening a lot more than their previous diffs . I have the 22, 22T , and two 22SCTs with stock diff parts and yet to break the screw or nut .