build a sleeper motor: get black painted t5s, cut stock head, advance timing ,boyseen carbon reeds, full drag porting,no airbox lid k&n ,all black motor.do all this then go up t o him again and tell him you just changed your plugs from a b8es to a b7es then drag him again ,and laugh your ass off when hes 15 bike lengths behind in a short race ,then ask him if his pto was on his glorified tractor?