Old Feb 5, 2007 | 11:58 PM
  #56 (permalink)  
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Sidez
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From: New Jersey
Default Re: All-in-one FAQ Thread - SpeedInnovation ECU Tuning Info/GBs/Specials

Originally Posted by advanz
pulleys don't really "add" HP, they sorta bring back the ponies that ran away.
They add HP by creating a bigger boost.. increasing the PSI of the supercharger
 
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