The Lexus RC F GT3 and new-generation Bentley Continental GT3 have been among the cars hit with Balance of Performance adjustments ahead of this weekend’s Total 24 Hours of Spa.
The blue-riband event for the Blancpain GT Series and Intercontinental GT Challenge has seen comprehensive changes since the last Endurance Cup round, with BoP adjustments to nine of the 15 GT3 models set to take part this weekend.
Lexus and Bentley, which finished 1-2 in last month’s Paul Ricard 1000 km, face 15 kg increases in minimum weight, along with a turbo boost reduction between 6500-7200 rpm for the Bentley.
The BMW M6 GT3 has been given a 10 kg increase, with 5 kg of additional weight to the 2018-spec Nissan GT-R NISMO GT3, Honda NSX GT3, McLaren 650S GT3 and Aston Martin V12 Vantage GT3.
In the case of the Nissan and McLaren, the weight increases also come with reduced turbo boost, while the Honda gains a slight increase in power.
The normally aspirated Porsche 911 GT3 R, meanwhile, has been given a 5 kg weight break and a 1.5 mm reduced air restrictor after struggling in the opening Endurance Cup races of the season.
The Emil Frey Jaguar G3 has also been adjusted, with a 2 mm smaller air restrictor.
No BoP changes have been made to the Ferrari 488 GT3, Lamborghini Huracan GT3, Audi R8 LMS, Mercedes-AMG GT3, and previous-generation Bentley and Nissans.
As has been the case in races earlier this year, the SRO reserves the right for additional BoP changes throughout the weekend.