Motor help

[jaydun323]

Alright first off i blew up the shee over the weekend riding and im a little bummed. I want to get this thing rebuild but, as always i want more power. The thing is im in the airforce and im going TDY for two months at the end of the month, and then im gong to the desert in August for 4 months, hells yeah airforce. So i pretty much wont be able to ride again until January, WOW this sucks!! But on the upside im going to come home with some extra cash and im going to make my banshee run, ride and look ecxactly like i want it. I already know what suspenion setup i want, 450 conversion, but i cant decide on what to do with the motor. I ride mostly MX track with some ocational drag racing, tryin to keep those 4 pokes in check. I want something with the low end power i need on the track, but i also want something on the top end for the drags. I want to get something im going to happy with, and not regret down the road. There are so many choices out there from, stock bore ported cylinders to 72mm bore 74mm stroke TREX power valve cylinders. What do you guys think?

 

Thanks Justin

 

P.S. i know there are some other topics like this right know but niether of them rode MX at all, so it really would not help me.

[jaydun323]

Sorry for the rambling but my wife has been visiting her family for 2 weeks now and im bored as HELL!!

[BSHEE400]

4 mil, ported stock cylinders possibly

 

as for exhaust,

there is a thread on here explaining where in the powerband each of the popular exhaust systems give you gains and performs best.

i'll try to find it for you

 

jamie