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!
My car did this with the Steeda spring. Figured it was all in my mind and the spring couldn't really be the cause. Put stock spring back in and full throttle redline shifts were normal again. Try going back to stock. Some folks don't appear to have issues. I did. Mine was installed...
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