I was using a 9100s for the throttle and it blew up on me during practice on raceday. All I had to use was a 9100t and I could definatly tell it was slower. I replaced it with a hitec rlthays rated at .10 and can't say there is a huge difference but after having a fast throttle and strong steering 300+ oz of torque I can't go back. In theory ok but reality is faster and stronger are both desireable by competitive racers.