are you racing if so maybe the 60amp hobbywing, will let u do so much more
apart from really low turn motors (runs down to a 5.5t but would say if in any 4wd car 7.5t maybe 6.5t in a 2wd car )
http://www.giantshark.co.uk/xerun60a...-p-405855.html
these are race proven budget esc