Request for Max Rotor Diameter Change
#28748 from Philip Smith · Rule change · TB 20-07 (2020-08 Fastrack)
In AS Spec Lines, change Brakes (Max) as follows:
Ford Mustang Incl. Cobra (99-04): "12.2 13.1 x 1.27Disc"
Ford Mustang GT (05-14): "12.2 13.1 x 1.27Disc"
Mercury Capri (79-86): "12.2 13.1 x 1.27Disc"
Chevrolet/Pontiac Camaro& Firebird (82-92): "12.2 13.1 x 1.27Disc"
Chevrolet/Pontiac Camaro& Firebird (93-02): "12.2 13.1 x 1.27Disc"
Chevrolet/Pontiac Camaro& Firebird (93-97) Restricted Prep. 5.7LV-8 (Iron Block, Aluminum Heads) LT1,
2valves per cylinder: "12.2 13.1 x 1.27Disc"
Show 9 more lines
Chevrolet/Pontiac Camaro& Firebird (98-02) Restricted Prep. 5.7LV-8 (Aluminum Block, Aluminum
Heads) LS1, 2valves per cylinder: "12.2 13.1 x 1.27Disc"
Chevrolet Camaro (10-15): "12.2 13.1 x 1.27Disc"
Ford Mustang Incl. Cobra & Cobra R (79-93): "12.2 13.1 x 1.27Disc"
Ford Mustang Incl. Cobra thru 95(94-98): "12.2 13.1 x 1.27Disc"
In AS, GCR section 9.1.6.D.5.b.2.c, add as follows:
“Full Preparation modifications as listed in 9.1.6.D.5.b.1 (Components) may be used with wheel sizes
listed in a Restricted Preparation car’s specification line. Maximum rotor size for this option (front and
rear) is 12.2 13.1inches X 1.27 inches. (full prep spec lines 10x)"