Originally Posted by
Bizkt Racing
Try some brand new diff balls, rings and bearings. Make sure everything is as clean as possible during assembly, and don't forget to break it in before running the truck. Break in is pretty simple - with the rear wheels in the air, grab one tire and give the truck a little throttle for 10 seconds, then grab the other rear tire and repeat the process. Tighten the diff a little if necessary, then place the truck on the track - if it slips, tighten it up a little at a time until the diff works smoothly without slipping.