Wheel rim width increase and commonality
#31849 from American Sedan Committee · Recommended to the Board · Minutes (2022-01 Fastrack)
Effective 03/01/2022 In GCR, Section 9.1.6.D.6.a.2., change as follows:
"Maximum wheel width is 8 inches, Maximum wheel width is restricted based on the following:
Vehicles with max tire size of 275mm, max rim width is 10 inches
Vehicles with max tire size of 295mm, max rim width is 11 inches
Vehicles with max tire size of 315mm, max rim width is 12 inches
Vehicles with max tire size of 335mm, max rim width is 13 inchesu Unless indicated within the vehicle specification line.
Effective 03/01/2022 In AS Spec Lines, change Notes as follows:
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Cadillac CTS-V (04-07) Restricted Prep. 5.7L V8 (Aluminum block, Aluminum heads), LS6, 2 valves/cylinder Restricted Prep. 6.0L
V8 (Aluminum block, Aluminum heads), LS2, 2 valves/cylinder: "Max. Wheel Size: 18 x 9.5 Dia. 18.0 inches"
Chevrolet/Pontiac Camaro & Firebird (93-02) Restricted Prep. 5.7L V-8 LT1 (Iron Block, Aluminum Heads) 2 valves per cylinder
5.7L V-8 LS1 (Aluminum Block, Aluminum Heads) 2 valves per cylinder: "Max. Wheel Size: 17 x 9."
Chevrolet Camaro (10-15): "Max wheel size 20 X 10.Dia, 20.0 inches"
Dodge Challenger (08-20) Restricted Preparation 5.7L, 6.1L, or 6.4L V8 (Iron block, Aluminum heads), 2 valves/cylinder: "Max.
Wheel Size 18 X 12.Dia. 20.0 inches"
Ford Mustang Cobra and GT 94-95 (Restricted Prep) 5.0 and 5.8 motor: "Max. Wheel Size: 17 x 9."
Ford Mustang including Cobra 96-04 (Restricted Prep) 4.6L two and four valve motor: "Max. Wheel Size: 17 x 9."
Ford Mustang Coupe GT (05-14) Restricted Prep. (Aluminum Block, Aluminum Heads) 4.6L/5spd 3 valves per cylinder 5.0L/6spd 4
valves per cylinder: "Max. Wheel Size: 18 X 10.Dia. 18.0 inches"
Ford Mustang GT 5.0l (15-17) Restricted Preparation: "Max. Wheel Size: 18 X 10.Dia. 18.0 inches"
Pontiac GTO (04-06) Restricted Prep. 2004, 5.7L V8(Aluminum Block, Aluminum heads), LS1, 2 valves per cylinder 05-06, 6.0L V8
(Aluminum Block, Aluminum heads), LS2, 2 valves per cylinder: "Max. Wheel Size: 17 x 9.5."