Thread: UUC Pulleys
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Old 05-25-2012, 03:43 PM   #3
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Join Date: Apr 2009
Location: Bloomington, IL
Posts: 91
My Ride: 2004 BMW 330i
"Underdriving the accessories does not add power to the engine, it frees up the power that is normally wasted on overdriven accessories. The theory is that a larger pulley will drive the accessories slower thus reducing their parasitic horsepower loss. No more power total, but more power sent to the wheels. As an additional benefit, the reduction in wear (less usage) on the accessories due to the lower duty cycles can extend the life of these parts." as stated in his link^

Good Price Tommyboy! Sadly I have other financial responsibilities and headers in a box

Last edited by Projekt330s; 05-25-2012 at 04:00 PM.
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