fpa1974
Well-Known Member
Interesting thread. Nevertheless, to me, if anything, the rear FP spring rate is quite a bit more aggressive than the stock GT350 rate. You can feel it with your butthttps://www.mustang6g.com/forums/showthread.php?t=98046
if you look at the OEM R chart they max out at 1200 while the Frpp rear max out at 918. The rear is definitely softer than OEM R and non R springs.
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