HERE ARE THE BEST LINKS I FOUND WITH COMPLETE SETUPS FOR SPEED, LONG RUN TIMES, AND EFFICIENCY. OH, AND I WOULD BUY FROM THESE GUYS. CANT FIND A BETTER BUNCH.
http://www.impaktrc.com/product_info...oducts_id=3275
http://www.impaktrc.com/product_info...oducts_id=3076