Discussion in 'General Tech and Maintenance' started by kricket3000, Oct 17, 2007.
can someone explain what they do and the advantages of having them? kinda a noob question, i know
Unorthodox Racing sells lightweight ones. Before I went s/c I looked into them alot. They claim that the weight differance actually does more than the underdriving effect.
thanks for clearing that up for me
Just to add the idea of the underdriving effect is that the pulleys are larger therefore requiring less effort for the engine to spin them because of a lower RPM..
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