BOP adjustment for GT2 & GT2-ST
#33681 from Grand Touring Committee · Rule change · TB 23-01 (2023-01 Fastrack)
In GT2, Porsche 991.1 GT3 Cup, make changes as follows:70 72mm Throttle body Restrictor (TBR)
ABS is allowed with a 100lb. penalty.
In GT2, Porsche 991.2 GT3 Cup, make Changes as follows:3100 3000lbs. 65 67mm Throttle Body Restrictor (TBR)
In GT2, Porsche 996/997.1 GT3 Cup, make Changes as follow:
ABS is allowed with a 100lb. penalty.
In GT2, Porsche 997.2 GT3 Cup, make changes as follows:
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ABS is allowed with a 100lb. penalty.
In GT2-ST, Chevrolet Corvette (-2013), make Changes as follows:
LS1,LS6 5665 75 78mm flat plate
LS2 5967 75 78mm flat plate
LS6 5967 74 77mm flat plate
Stock OEM LS3 6162 74 77mm flat plate
LS3 6162 71 74mm flat plate
LT1 6162 68 71mm flat plate
LS7 7011 65 68mm flat plate
In GT2, Chevrolet Corvette (14-19), make changes as follows:
LS1,LS6 5665 75 78mm flat plate
LS2 5967 75 78mm flat plate
L76 5967 70 73mm flat plate
Stock OEM LS3 6162 74 77mm flat plate
LS3 6162 71 74mm flat plate
LT1 6162 68 71mm flat plate
LS7 7011 65 68mm flat plate
In GT2-ST, Cadillac CTS/CTS-V , Chevrolet Camaro, Pontiac Fiero, Pontiac Firebird, Pontiac Solstice, make changes as follows:
LS7 7011 75 78mm flat plate or 45mm SIR
LS7 7011 80 83mm flat plate
In GT2-ST, Dodge Viper, incl Comp Coupe, ACR/ACR-X, make changes as follows:
7900 3275 3125
8000 3275 3125
OEM 8300 3275 3125
8300 3275 3125
8400 3275 3125