[mistercrash]

I feel that as long as it is rolling all the way around without catching, it will wear in and become free. If the pinion can make the ring gear do a full revolution and you don't feel any of the teeth suddenly catching like they want to lock up, just the same kind of rubbing all the way around, they will wear into each other and become free rolling. I would however take it easy on the throttle at first as a ''break in'' procedure to give a chance for those teeth to wear into each other.