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    Low Boost Numbers on Whipple 2.9L?

    I'm hoping someone can give me the answer to my question; I have a 2010 GT500 5.4L coupe with a Ford Racing Whipple 2.9L (750HP version) supercharger on it that I personally installed (retired Master Tech). I am using the 'stock' FRPP tune and 3.00-10 pulley (w/stock lower pulley) that...

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