Originally posted by x-ray_tony yes marvi i was refering to the monster stock motor i would get the pro. its already broken in. and you'll get a little more speed. My tc3 with the monster stock pro in it goes almost as fast as a 19t
Don't buy the pro, buy the regular monster(black sticker) and tune it yourself. That way you'll learn a bit more about motors.
Be prepared to buy a comm lathe if you plan on racing, even if you run stock.