I have a 07 m-1000 that i put a speedwerx single and rkt head on and now it is revving 7850 has any one ran two heavier wieghts in two towers it has 65 g in it now i ride from 6-9 so what would be the best wiegts to run in that set up seems like i need to drop 200 rpms i have rkt clucth kit with 36 heilix and sno-pro green spring