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Junior Member
does anyone know the approx. amount of horse and torque aem pulleys add? <_<
1-2, maybe?

1. Don't replace the crankshaft pulley- it's balanced to match your engine.
2. Don't underdrive your accessories- spinning them slower sometimes damages them.

Honestly, the power gain from installing pulleys really isn't worth the trouble.
i have one on my alt. it is a waste of time and money... but the alt. came with it on there, from a junkyard, so... hehe but, its weak.. my lights dim when idling...
true, my friend has an aem pulley on his crank seems to be ok.