The Mustang Forum for Track & Racing Enthusiasts

Taking your Mustang to an open track/HPDE event for the first time? Do you race competitively? This forum is for you! Log in to remove most ads.

  • Welcome to the Ford Mustang forum built for owners of the Mustang GT350, BOSS 302, GT500, and all other S550, S197, SN95, Fox Body and older Mustangs set up for open track days, road racing, and/or autocross. Join our forum, interact with others, share your build, and help us strengthen this community!


  1. Joseeevelez

    Idle problems 2019 s550

    Hey guys, I own a 2019 mustang GT 10-speed automatic. This past Monday, I experienced a rough idle & a change in rpms when I was at the red light. Never done that before. I thought nothing of it but it kept doing it again. I changed the spark plugs, I took it a quick lane by the ford dealership...