Originally Posted by barg

No definitely not that. That happened when the car was brand new and it wouldnt change at all then. Car has been run for 3 meetings now. There was also a young r4 driver at our big race last weekend that broke 2 rear diffs. The main crown gear snapped at the pin. Not sure if it was big crashes that caused it or under filled diffs. I havent had any issues yet with mine though.