I had the same problem, with my new X1X, the hot set up for it which made it stick was big hole pistons, 40F with Blue springs, 32.5R with Gray springs, long rear link, bottom inside hole. Losi oil, Jammin Springs, also short rod end on the front and long rod end on the rear shocks, both inside hole on the arms and both top middle on the shock tower. 5-7-3 diffs, also the bottom hole and all the way back on the rear up rights, the car was hooked on 2 totally different tracks with just a little sway bar adjustment, factory kit anti squat and toe on the rear used, I got this set up from a Jammin Team driver with the expecption of he recommended 30 in the rear shocks, but the spring changes made the biggest difference, alot more off thottle turn in and the rear so sticky, the rear sway bar adjustment to free it up alittle.