well apparently it does brings ya revs up abit, n seeing that i have an LS this could help me out but damn seems like alotta negative input. thanks for tha info, anyone else has any recommendations too let me know, but i am seriously considerin ditching this, too much trouble, n tha fact that the crankpulley minus tha harmonic balancer could screw chit up n the alt poses a prob too..signs are pointing to fu<k it.