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Thread: Just one more psi ...

  1. #1
    Senior Member Gabe's Avatar
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    Apr 2014
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    Hudson, NH
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    Just one more psi ...

    Yesterday I installed the next-smaller pulley on my Whipple, I went with the 3.125" pulley, replacing the 3.25"

    I then went to Performance Dyno in Loudon NH, and Josh put together a tune (with Pete on the phone a few times), that got me some really nice results.

    I went from about 570 rwhp and about 470 rwtq to 608 rwhp and 517 rwtq

    Not sure how to embed a video on here, but here's the link to the youtube vid of that last run with those numbers in it:

    https://www.youtube.com/watch?v=oF_UKdFVucE

    And the dyno sheet:




    Some other pictures from yesterday:






    Mine: '13 Mustang GT Track Pk. 2.3L Whipple, 608 RWHP, 517 RWTQ.
    Hers: '08 GT500 '13-'14 2.3L TVS & injectors, 656 RWHP, 661 RWTQ.

  2. #2
    Impressive!

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