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slow throttle response

  1. 2007 - 2014 Slow Throttle Response & how many horses will a 2.5” pulley get?

    General Discussion
    Have my (1st) Shelby 500 for about 6500 miles ( car now has 43K) on it. The most outstanding thing that I am UNhappy about is the UNDERwhelming throttle response. (Background) 1- Had Dyno’d after I bought it used. Factory rating of 540hp was right on with 3 runs @ RWHP 466,466,455 hp and...
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