stiffen the front as well, helps pogo the front in the air. I added a stick on wheel weight to my battery tray once on my nitro evader and that helped put weight behind the rear wheels. Also, you can try and stab the brakes and pereload the front suspension and nail the throttle to use the front suspensions spring momentum to help lift. Tighten the slipper ,(if it has one, not sure.) Easiest place for me with the stock motor was in grass with good tires, not the street.