Originally Posted by i am cornholio

hey guys need some suggestions on the diff..built car..went together great..my problem is with the diff..when I tighten its very notchy and super tight..i built per instructions..made sure deburrred..even ran a whole battery pack switching between holdin rear wheels..thinking it mught break in..i have built many gear diffs..but I have had it apart 4 times now..its still super tight and notchy..any help would be greatly appreciated..im wanting to get this on the track