I am wanting to buy a 3.8 motor, gears, tires, Solid Core Antenna Wire, and metal springs. i havnt been able to find these parts on any single website.. anyone know of a cheap American company that would have all these? if not just a cheap place to buy the gears and anntenna and springs? the reast i could buy from Tiny RC but i would like to pnly pay 1 shipping charge