ok, which engine is bigger? ive been told they are the same size but the m6 is DOHC but idk. which has more power though? i want to buy one of these two cars and mod them (but not liike and ugly ricer B I T C H) im lookin at performance only. i know the M is made for tracks i understand that part but in a straight run which is worth buying? ill never take mine to tracks anyways. so please if you could tell me which one im better off with thatd be greatt THANKS!!!!