GTA announced Balance of Performance (BoP) for each car to be applied for Round 3 of the 2022 AUTOBACS SUPER GT series, the Takanokono Hotel SUZUKA GT 300km RACE.
Please note that the contents from the bulletin below are excerpts selected for ease of understanding and they should not be taken as the actually released official bulletin. In case of a need for a precise interpretation, be sure to check the original bulletin.
(Blue underlines: Changes from the 2022 Round 2 at Fuji)
GT500 Class
The fuel flow restrictor will be fitted in accordance with the SUPER GT Sporting Regulations Art. 23. Success Ballast System. The re-fueling device flow restrictor (internal diameter: 25.0 mm) will be applied.
GT300 Class
The BoP regulations for the GT300 class FIA-GT3 cars have been decide based on consultations between GTA and SRO (organizers of IGTC, GTWC, etc.).
○GT300
Car | Minimum Weight | Air Restrictor | BoP Weight | Notes |
---|---|---|---|---|
SUBARU BRZ | 1150kg | None | +50kg | *See chart below for boost pressure |
TOYOTA PRIUS #31 | 1200kg | 29.08mm ×2 | +80kg | BoP weight includes HYBRID Weight |
TOYOTA SUPRA | 1200kg | 29.08mm ×2 | +50kg | |
TOYOTA GR86 | 1200kg | 29.08mm ×2 | +50kg |
*A fuel supply restrictor device (internal diameter: 33.0mm) will be adopted in accordance with the JAF National Competition Vehicle Technical Regulations Chapter 3, Art. 10 10.3.2.
* Minimum ground clearance: a 15mm spacer shall be fitted between the reference plane and the skid block with a thickness of 10mm (±2mm).
*A re-fueling device supply hose restrictor (internal diameter: 27.5mm) will be adopted.
○GT300 Mother Chassis
Car | Minimum Weight | Air Restrictor | BoP Weight | Notes | |
---|---|---|---|---|---|
TOYOTA 86 MC | 1100kg | 40.00mm x1 | 28.29mm x2 | +100kg |
*A fuel supply restrictor device (internal diameter: 33.0mm) will be adopted in accordance with the JAF National Competition Vehicle Technical Regulations Chapter 3, Art. 10 10.3.2.
* Minimum ground clearance: a 15mm spacer shall be fitted between the reference plane and the skid block with a thickness of 10mm (±2mm).
* A re-fueling device supply hose restrictor (internal diameter: 27.5mm) will be adopted.
○FIA-GT3
Car | Minimum Weight | BoP Weight | Air Restrictor | Notes |
---|---|---|---|---|
HONDA NSX GT3 2022 | 1260kg | +50kg | None | |
AUDI R8 LMS 2022 | 1260kg | +45kg | 36mm x2 | |
BMW M4 GT3 | 1265kg | +30kg | None | |
Ferrari 488 GT3 2020 | 1260kg | +40kg | None | |
Lamborghini HURACAN GT3 2019 | 1230kg | +85kg | 39mm x2 | |
Lexus RC F GT3 | 1300kg | +25kg | 40mm x2 | |
Mercedes AMG GT3 2020 | 1285kg | +50kg | 34.5mm x2 | Lambda Min 0.92 |
NISSAN GT-R NISMO GT3 | 1285kg | +40kg | None |
○Maximum boost pressure
GT300 | FIA-GT3 | |||||
---|---|---|---|---|---|---|
SUBARU BRZ | Ferrari 488 GT3 | HONDA NSX GT3 |
NISSAN GT-R NISMO GT3 |
BMW M4 GT3 | ||
Engine rpm
[rpm] |
Boost pressure ratio @Lambda | |||||
4000 | 1.47 @0.90 | 1.87 @0.88 | 1.94 @0.88 | 2.33 @1.10 | ||
4250 | 1.49 @0.90 | 2.38 @1.10 | ||||
4500 | 1.51 @0.90 | 1.93 @0.88 | 1.93 @0.88 | 2.42 @1.10 | ||
4750 | 3.95 @0.92 | 1.53 @0.90 | 2.45 @1.10 | |||
5000 | 3.88 @0.92 | 1.55 @0.90 | 1.95 @0.88 | 1.92 @0.88 | 2.48 @1.10 | |
5250 | 3.70 @0.92 | 1.57 @0.90 | 2.53 @1.10 | |||
5500 | 3.49 @0.92 | 1.58 @0.90 | 1.97 @0.88 | 1.85 @0.88 | 2.63 @1.10 | |
5750 | 3.31 @0.92 | 1.59 @0.90 | 2.70 @1.10 | |||
6000 | 3.10 @0.92 | 1.60 @0.90 | 1.99 @0.88 | 1.81 @0.88 | 2.72 @1.10 | |
6250 | 2.94 @0.92 | 1.59 @0.90 | 2.75 @1.10 | |||
6500 | 2.81 @0.92 | 1.57 @0.90 | 2.00 @0.88 | 1.77 @0.88 | 2.65 @1.10 | |
6750 | 2.74 @0.92 | 1.55 @0.90 | 2.55 @1.10 | |||
6900 | 1.75 @0.88 | |||||
>/ 7000 | 2.59 @0.92 | 1.54 @0.90 | 1.98 @0.88 | 1.51 @0.88 | 2.38 @1.10 | |
>/ 7250 | 2.43 @0.92 | 1.49 @0.90 | 2.33 @1.10 | |||
>/ 7500 | 2.29 @0.92 | 1.47 @0.90 | 1.94 @0.88 | 2.10 @1.10 | ||
8000 | 1.30 @0.90 | 1.50 @0.88 | ||||
8100 |
The maximum boost pressure level is calculated by applying the above boost pressure ratio to the standard air pressure announced by GTA.
At each race event, the teams must adjust the maximum boost pressure in accordance with the local air pressure announced by GTA.
4/13-14 | Round1 OKAYAMA | |
5/03-04 | Round2 FUJI | |
6/01-02 | Round3 SUZUKA | |
8/03-04 | Round4 FUJI | |
8/31-9/01 | Round5 SUZUKA | |
9/21-22 | Round6 SUGO | |
10/19-20 | Round7 AUTOPOLIS | |
11/02-03 | Round8 MOTEGI |