Ford Mustang Forum - View Single Post - Procharger shipped!
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post #22 of (permalink) Old 06-26-2014
Bgoins
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Quote:
Originally Posted by 5 pt oh View Post
Feels smooth power delivery wise, but I was told the procharger come with a 4.38 pulley and mine came with a 4.0, shouldn't I be making more boost that just 5psi? I thought with stock pulley I was supposed to be at 7psi
Not sure about the pulley size. That'd be a question for Procharger. The lower psi you're seeing could be because of less back pressure because of your LT headers. That's actually a good thing. I doubt your belt is slipping. Do u have a boost gauge? I'd probably call Procharger. If everything is on there right and you're really making 5psi, u just need a different pulley with an updated tune and you should be making big power.

2013 GT, automatic, Brembo brake package
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