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. Ilghar

    S550 Cooling?

    What cooling upgrades do I REALLY need? Bigger radiator? 10R80 trans cooler? Engine oil cooler? Diff cooler? All of the above?I noticed I can probably barbecue a whole chicken in the front wheel wells, fender vents?Time attack purposes, the tracks are small to medium , from 3 to 3.6 km, with...
  2. Dylanp0401

    Radiator & Oil cooler

    Radiator: I really can’t find a definitive answer on radiator. I plan to duct the radiator once I get the proper radiator. Im just struggling to choose which radiator. Is a single pass sufficient? Is a triple pass even better but provide too much pressure and not worth it for an N/A car? Which...
  3. MinDseTz

    S550 Engine Coolant Over-Temp after hard braking

    At a track day at ECR, I expected heat to be an issue, but not in the way it presented... Everything seemed hot but fine.When braking (1G+) after a long straight, I would see the coolant temp jump and throw an alert. After coasting around at 50% for a few corners, it would jump back down like...