altering your clutch set-up is much cheaper than putting a $100 plus servo in your throttle. if your new to drive nitro or racing having to much snap on the throttle will only cause more spin outs. something to think about. you will want to spring for a good servo in your steering though, to take the abuse of the hits you will have as you learn to drive. hitec offers some great servos with similar number to say airttronics,jr,futaba, or ko propo. but they are about 85 bucks for what you would need.