Request for Parity Among Vehicles Including S550 Mustang
#29486 from Andrew Wickline · Rule change · TB 20-12 (2020-12 Fastrack)
In T2, Chevrolet Corvette C-5 Incl. Fxd Cpe (98-04) Z06 (hardtop) (01-04) Spec Lines, change Weight as follows:
"3425 w/50 53mm flat plate restrictor) 3175 (w/45mm flat plate restrictor) 3350 (w 55 58mm flat plate restrictor, only permitted
when using OEM Wheels and Stock Brakes)"
In T2, Chevrolet Corvette C6 Coupe / Grand Sport (05-13) Spec Lines, change Notes as follows:
"C6 T1 Suspension kit and Z51 option allowed. Floor may be modified to facilitate installation of cage mounting plates
Removable roof panel shall be installed. The following parts are allowed: GM oil pan #12630477; GM radiator baffle # 25953429
(LS3 only); fan shroud, Phoenix part # 1005422; Canton Accusump part # CA24006 or # CA24024, along with Electric solenoid W/
epc # CA24273, Accusump Check Valve # CA2428, and Wheel to Wheel Adapter block # 0760-50001, and related hoses and
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mounting brackets; 180 degree thermostat Hypertech # 1015; Lingenfelter Performance Engineering #L310055204 thermostat
(LS2 only); HD oil pressure shim Phoenix part # 1005421. Wrapping of tie-rod ends to shield heat is permitted. Trimming of the
lower edge of the center of the air dam is allowed up to a depth of 3.9 cm. ARE dry sump system part #3021 S permitted; the
following parts are included: mount w/tensioner and spacer #3020YM, serpentine belt #4032S, pulley #4SERP, oil tank #7030,
tank bracket #7000, breather catch can # 7100, filter adapter #4010, damper assembly #8005. Aviaid Dry Sump System part
number 008-10001 is permitted; the following parts are included: 3-stage pump 13111-1182, mounting hardware 40082 and
40018-83-1, HTD pump pulley 11649, HTD belt 46476, ATI damper assembly 917289, pan assembly 152-52504-10001, and tank
assembly 110-50020-10001. The oil tank for either system shall be installed in the current battery location and the battery must
be relocated to the same location as the 08 Corvette Z06; GM battery mounting bracket and hardware must be used. Alternate
wheel bearings SKF Part # BAR 5049C permitted. LS2: 53 56mm flat plate restrictor is required. LS3: 48 50mm flat plate restrictor
is required. The restrictor must be placed in the front of the factory throttle body manifold opening. The plate must seal the
opening so that all air entering passes through the restrictor. Aftermarket leaf spring suspension allowed 800 lb max. Coilover
suspension allowed coil springs allowed 800 lb max."
In T2, Chevrolet Camaro SS/1LE (10-14) Spec Lines, change Weight as follows:
"3700 3625"
In T2, Chevrolet Camaro, 1LE (2016-) Spec Lines, change Notes as follows:
"Part numbers: 84004136, 23301611, 19352519, 19180514, 23245471 allowed. OEM brake kit #23245471 allowed. 53 56mm flat
plate restrictor required. Springs up to 1200#/ in front and rear permitted. Swaybar kit (part number #84242386) permitted. Any
front 355mm 4 piston caliper and 2 piece rotors permitted. Dry sump permitted. Any front sway bar 35mm front and 30mm rear
permitted. Rear spring relocation to shock permitted. ZL1 1LE Spec Solid Cradle Mounts allowed, Chevrolet Performance part
number 84341929."
In T2, Ford Mustang GT 5.0L (11-14) Spec Lines, change Notes as follows:
"The following parts are allowed: GT/CS Front Fascia #BR3Z-17626-AA, GT/CS Rear Fascia #AR3Z-17F828-AA, Ford Accessories
Spoiler #AR3Z-6344210-CA, 14” Brembo Brake Kit #M-2300-S, Rear Axle Cover #M-4033-K, Spring Kit #M-5300-A (M-5310-A
front, M5560-A rear. Rear spring relocation to shock permitted with use of this kit), Strut Tower Brace #M-20201-S197, Swaybar
Kit #M-5490-A, Jounce Bumper Kit # M-5570-A, Panhard Bar #M-4264-A, Rear Lower Control Arms #M-5649-R1, Rear Upper
Shock Mount #M18197-A. Ford Racing oil pan #M-6675-M50BR permitted. Alternate metallic driveshaft permitted. Front
bushing kit M-5638-C permitted. 54 58mm flat plate restrictor required. Maximum spring rate 500 lbs (front), 300 lbs (rear)."
In T2, Ford Mustang GT 5.0L (15-17) Spec Lines, change Notes as follows:
"Ford Performance Handling Kit part #M-FR3A-M8, Sway Bars in M-FR3A-M8 kit part #M5490-E or M5490-G, Rear Toe Bearing
part #M-5A460-M, Ford Performance Radiator part #M-8005-M8, Strut Tower Brace part# M-20201-M, Camber Bolts M-3B236-
A, Solid Differential Bushings part#M-4425-M, Short Shift Kit part#M- 7210-M8, Solid Subframe Bushings part#M- 5872-M,
Dampers in Handling Pack part #M-18000-F, Ford OEM Performance Package Brembo front BBK and 380mm rotors permitted
(Ford PN M-2300-V) at no weight penalty. 52 55mm flat plate restrictor required. 2014 Mustang GT exhaust manifolds permitted.
Springs up to 800#/in front and rear permitted. Alternate metallic driveshaft permitted. Rear spring relocation to shock
permitted with kit TBD. Ford Racing oil pan #M-6675-M50BR permitted."
In T2, Ford Mustang GT 5.0L (2018-) Spec Lines, change Notes as follows:
"Ford Performance Handling Kit part #M-FR3A-M8, Sway Bars in M-FR3A-M8 kit part #M5490-E or M5490-G, Rear Toe Bearing
part #M-5A460-M, Ford Performance Radiator part #M-8005-M8,Strut Tower Brace part# M-20201-M, Camber Bolts M-3B236-
A, Solid Differential Bushings part#M-4425-M, Short Shift Kit part#M- 7210-M8, Solid Subframe Bushings part#M- 5872-M,
Dampers in Handling Pack part #M-18000-F, Ford OEM Performance Package Brembo front BBK and 380mm rotors permitted
(Ford PN M-2300-V) at no weight penalty. 50 53mm flat plate restrictor required. 2014 Mustang GT exhaust manifolds permitted.
Springs up to 800#/in front and rear permitted. Alternate metallic driveshaft permitted. Rear spring relocation to shock
permitted with kit TBD. Ford Racing oil pan #M-6675-M50BR permitted."
In T2, Dodge Viper SRT-10 incl. coupe (03-06) Spec Lines, change Notes as follows:
"If a hardtop is used, it shall be the detachable Autoform hardtop (latches shall be replaced with positive fasteners), convertible
top shall be removed. Throttle restrictor between each throttle body and plenum is mandatory: .060” flat steel plate with
one 40 43mm hole. A .250” thick (max) steel or aluminum spacer is permitted between the throttle body and the restrictor to
provide clearance for the throttle butterfly. This spacer shall replicate the dimensions of the stock throttle body flange (i.e.
throttle bore, bolt pattern, idle-air bypass port dimensions, etc.) Throttle body spacer bore(s) shall be no larger than the stock
throttle body bore diameter at the gasket surface, and shall not be radiused in any way. Throttle restrictor may include idle air
control and/or PCV orifice. The following parts are allowed:, Mopar performance fan delete kit #P5153260, Phoenix SRT10
electric fan kit #PPI123321, Mopar swing oil pickup kit # 4510174, Trans. mount # P4510179, Dodge Motorsports T1 suspension
kit part # P5153251 Hypercoil springs #188A0750 (F) and 188A0800 (R) are allowed. B&M Shifter (PN45055) is permitted. Oil pan
part #5037735AC, oil pick up part #5038022AB, oil pick up tube part #5037312AE are allowed. Maximum front camber of -3.0 w/
Dodge Motorsports T1 suspension package allowed."
In T2, Porsche 911 / Carrera S 997.2 (09-12) Spec Lines, change Notes as follows:
"57 60mm flat plate restrictor required. Restrictor must be placed in the front of the factory engine air intake manifold opening.
The plate must seal the opening so that all air entering passes through the restrictor. Ducting for coolers is free, provided it
doesn’t change size and/or shape of factory body panels. Ducting of air to rotors is allowed Removal of rotor dust shields is
allowed. Tender springs 60-60-25, and spring holders ZT-1-X002A01 allowed. Springs up to 800#/in front and 1000 #/in rear
allowed. Sway bar size and configuration is free. Camber adjustment slots may be elongated. Porsche Motorsport front and rear
control arms allowed. PDK transmission permitted at +100lbs. Alternate exhaust manifold Cargraphicts CARP97DFIFKR allowed.
OEM rear deck lid required. OE Porsche GT3 Cup front fascia number “997-505-980-97-G2X FRONT BUMPER GT3 CUP” or
equivalent aftermarket allowed (+75lb). GT3 Cup splitter not allowed."
In T2, BMW Z4M (06-08) Spec Lines, change Tire Size as follows:
"275 295"
In T2, Porsche 911/ 997 (06-08) Spec Lines, change Weight as follows:
"3250 3200"