Originally posted by ROLLINGaFTGT
i have a ofna 8 port and im having trubble getting the power band i want from this motor. it like has no mid range. it has top end but i want it for the jumps. i need more grunt out of the corners. im running a mbx4-xr. the motor has the stock carb and a ofne 063 onepiece pipe.. any help woud be great. thanks
XR is a bit weight,so better use 13T bell.Try to do your best to reduce car weight,and get MUGEN 053 pipe which has great torque.