Thread: All-in-one FAQ Thread - SpeedInnovation ECU Tuning Info/GBs/Specials
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Old Feb 6, 2007 | 03:07 AM
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JP@SI
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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.
Aside from this, I've heard claims of up to 13 WHP on V6 pulleys alone - not guaranteeing anything, but still...
 
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