S550 Reconcile With S197
#34093 from Scotty B White · Rule change · TB 23-06 (2023-06 Fastrack)
In T3 Spec Lines, Ford Mustang V6 (15-17), change as follows:
Final Drive: "3.31 or 3.55 w/ auto"
Weight: "3475 3400"
Notes: "58mm flat plate restrictor required. Rear spring relocated to shock allowed. 800lbs springs (F/R) allowed. Track package
allowed. Optional: 6 speed automatic transmission (with paddle shifters). Sway bars allowed up to 35 38mm (F) 25 28mm (R).
Ford Motorsports 6-piston M2300V 380mm brake kit allowed with +175lb+100lb penalty, or optional 2-piece rotor 355mmmax
Brembo brake kit #M-2300-S allowed with +100lb+50lb penalty."