I TRIED THE MOD FOR THE MOTOR SCREW ON THE TOP DECK.I USED A BUTTON HEAD THAT WAS LONG AND WOULD ALLOW BOTTOMING OUT IN THE HOLE. I GROUND THE SCREW SO THAT IT HAD JUST ENOUGH HEIGHT STICKING OUT OF THE TOP DECK TO ALLOW A RUBBER ORING FROM A SHOCK. I ONLY USED ONE O-RING IN BETWEEN THE HEAD OF THE SCREW AND THE TOP DECK. WOW.
I NOTICED A TON OF EXTRA TRACTION. JUST WITH THAT SIMPLE MOD. VERY HAPPY.