Round 1: Okayama GT 300km Race – BoP Tables

The GT Association (GTA), sanctioning body of the Autobacs Super GT Series, has released the Balance of Performance (BoP) tables for the upcoming first round of the 2017 season at Okayama International Circuit.

The Balance of Performance for the GT300 class is tuned by the GT Association and the Stéphane Ratel Organisation (SRO) to ensure a level playing field between the JAF-GT category vehicles and FIA GT3 category vehicles, as well as each vehicle in the two categories.

Here are the full list of BoP adjustments for the GT300 class:

test1_2017sgt_sd_5
© Subaru

JAF-GT300 (Original construction)

Vehicle Minimum weight Air restrictor BoP weight Hybrid weight
Toyota Prius #30 1150 kg 28.32 mm x 2 + 15 kg + 73.0 kg
Toyota Prius #31 1150 kg 28.32 mm x 2 + 15 kg + 51.0 kg
Subaru BRZ 1150 kg 42.15 mm x 1 + 30 kg
AQ9I5647
© Saitama Toyopet

JAF-GT300 (Mother Chassis)

Vehicle Minimum weight Air restrictor BoP weight
Toyota 86 MC
Lotus Evora MC
Toyota Mark X MC
1100 kg 40.00 mm x 1 28.29 mm x 2 + 40 kg
test1_6003
© OTG Motor Sports

FIA GT3

Vehicle Minimum weight Air restrictor BoP weight
Lexus RC F GT3 1300kg 38.0mm x2 +15kg
Audi R8 LMS GT3 1225kg 38.0mm x2 +25kg
BMW M6 GT3 1290kg none +30kg
Lamborghini Huracán GT3 1230kg 38.0mm x2 +40kg
Ferrari 488 GT3 1260kg none +15kg
Mercedes-Benz AMG GT GT3 1285kg 34.5mm x2 +25kg
Porsche 991 GT3-R 1220kg 40.0mm x2 +20kg
Nissan GT-R NISMO GT3 1290kg 40.0mm x2 +20kg
Bentley Continental GT3 1300kg 38.0mm x2 +10kg
Mercedes-Benz SLS AMG GT3 1310kg 38.0mm x2 +15kg

 

gallery_14
© EIcars Bentley TTO

FIA GT3 (Maximum Boost Pressure)

Ferrari 488 GT3 BMW M6 GT3
RPM Boost Pressure [mbar]
4000 1470 mbar 1780 mbar
4250 1490 mbar 1780 mbar
4500 1510 mbar 1810 mbar
4750 1530 mbar 1830 mbar
5000 1560 mbar 1880 mbar
5250 1580 mbar 1910 mbar
5500 1610 mbar 1950 mbar
5750 1620 mbar 1910 mbar
6000 1620 mbar 1860 mbar
6250 1620 mbar 1780 mbar
6500 1610 mbar 1710 mbar
6750 1570 mbar 1660 mbar
7000 1540 mbar 1580 mbar
7250 1490 mbar
≥7500 1450 mbar
Nissan GT-R NISMO GT3 Bentley Continental GT3
RPM Boost Pressure [mbar]
4000 2020 mbar 2000 mbar
4500 1990 mbar 1920 mbar
5000 1960 mbar 1820 mbar
5500 1940 mbar 1750 mbar
6000 1920 mbar 1700 mbar
6500 1890 mbar 1600 mbar
≥7000 1870 mbar 1500 mbar
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