Big pulley attached to the crankshaft, powers all the belt-driven
accessories on the motor; i.e. alternator, water pump, A/C, power steering
pump.. underdriving it slows these accessories thereby reducing parasitic
drag on the motor, which in turn "makes" more power
Jon Smith
> Hi,
> What is a Crank Pulley?
> Gery
> 1997 4x4 318
>
>
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