The Mustang Forum for Track & Racing Enthusiasts

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  • 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. SavetheManuals

    Diff, Diff Bearings or Axle Bearings?

    Trying to diagnose a new noise before I crack the diff cover (again), pull the axles, or decide if it's worth taking the car to the dealer (extended B2B warranty). I started to get an periodic/oscillating whir (~1Hz) when accelerating out of corners at high lat G and high load, especially in 3rd...
  2. GBoss7500

    Laguna Seca 90db sound limit

    Hi all and happy new year,I will be running my 2012 Boss at Laguna April 30 with NCRC. Current setup is GT500 mufflers and open side pipe baffles. Anyone know from experience if this will pass or exceed the 90db limit?Thanks!