no need for change moderators do a great job !!!! he site yall put here Shop for RC Hobby Parts and Upgrades - Digital Servos, Brushless Motors, ESC, LiPo Batteries/Chargers for RC Helicopters, RC Planes, RC Cars, Robots ///// is great /// trust me the best prices .. these little motors cost 400.00 to 500.00 bucks at the hobby shop down the road here