ya i really don't have any idea it is just waaaaay to soft as it is, and it rolls over like crazy but hey it'll run with my buds sc10 with a valeneon on a 2 cell lipo haha
Try going with a thicker shock oil first. If I remember correctly, Traxxas uses 30k in the shocks from the factory. You might want to try a 40k oil. You might also want to try stiffening the springs by adding some preload to the shock.