ORIGINAL: dealseaker

well, my tornado bb should be in tomorrow, I am going to be buying those parts for the bell and spring, what else should I buy, I would like to get it all from tower hobbies or one place at least, what else should I buy??? I would like to get an extra spur gear at least, what spur gear will fit that tower sells??? currently planning to buy the bell, spring, and gears for on bell, and the starter thing I can use a drill on, but what else? and what spur gear will fit that tower sells. please post what else I should buy to replace/upgrade before I go tearing it up to bad.