jus' bought aem under drive pulleys for tha power steering n alt pulley replacement n unorthadox racing crank pulley. havent installed em yet, Any one else have them n exp problems with your alt charging your car n music (subs,ect).i keep hearing bad chit, n its making me paranoid ..info PLeeeeeeeeeeaSe? And the crank pulley ->As for the extra crank pulley vibration, is it gonna screw chit up too cause if so im jus thinking the lightweight flywheel on its own is gonna be enough n ditching this whole pulley kit. :blue: