3 weeks in a row i have broken the Ideal gear in rear tranny. 1st one i just replaced then the 2nd one i replaced ideal gear and all bearing. then the 3rd one I replaced all bearings and the Ideal gear and all so and all now diff. The last one lasted 3 packs (2 practice and 1 6 min race Broke on the 4th pack at the 4 min mark) I do i do to stop this. The gears are loaded with grease so i know they are not dry.