Quote Originally Posted by s15_spec_r View Post
if you hav he car on a lift you will be able to move the prop shaft a certain amount before the back wheels will start to move, that bit of play is the backlash, and if thats not reset the way it should be it could make a mince of your diff, just incase you where gonna try the job yourself just give yeah the heads up

fair play man i never new that thanks