ok your egzagerating big time. first off hp numbers are very close. and speed to. 2mph and 2 hp more the z has. and gess wat heres the thing. their just numbers[img]i/expressions/face-icon-small-disgusted.gif[/img]
doug gust used to race the z 400 n win. well u could put him on a 400ex and wat u think. well he wood win of corse. the driver is wat rilly makes u fast. at less u talking drag wair hp is #1.