why go with as low as you can and spend $100 on a esc----i am running a max amps 12.000 mah lipo and a castle creations mamba max esc the does brushed and brushless----the brushed can handle any motor ( no turn limit ) and it has a programable throttle and brake curve----i can adjust fwd only-fwd-brake-rev ---drag brake -abs brakes-punch control and more---check out there web site castlecreations.com and you can pick up a complete system for $180 at www.b-p-p.com