Old Oct 31, 2012 | 02:42 AM
  #27 (permalink)  
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FUBU
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Joined: Oct 2009
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From: FL
Default Re: Dyno Number thread (graphs+mods info+and more)

Always different on different cars, location, measuring. But I guess a 61mm could give 20 psi boost. Maybe somewhat less than a 185 crank pulley.
 
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