Originally Posted by raiden571

never use an aluminum crank pulley. they can force the crank bollt out. the only way i would use an aluminum pulley is if i had the time and patience to retorque it as often as possible. a car at the track threw the crank pulley bolt thru station 14 where there were 2 corner workers inside. then the crank pulley got sloppy and trashed the crank and the pulley. moral of story, aluminum crank pulleys can kill someone.

Originally Posted by Running925

let alone the fact that none of you are realizing that you are totaly throwing the crank off balance by not using the stock harmonic balancer (pulley).