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!

os giken

  1. RedRocks

    OS Giken vs Torsen

    I’m at the point in my build where I wanna upgrade the rear differential. Here’s some details on my current setup:2008 Mustang GT 2.3 Whipple/Car Dyno’s @ 510 rwhp MCS Coils Whiteline Watts Forgestar 18x11’s 315/30/18 BFG Rival S in all foursGiven that I’m running a decent amount of...