IMSA has posted Balance of Performance updates for the GT3 cars that populate GTD PRO and GTD, leaving GTP as it was for the Roar weekend.
Several cars received help through either boost or restrictor adjustments, or a reduction in weight. The Acura NSX GT3 Evo22 received a bump in power through boost, as did the BMW M4 GT3, while the Mercedes AMG GT3 got a 1mm increase in the size of its two restrictors as well as a 15kg weight break and a one-degree reduction in minimum wing angle. Other cars receiving weight breaks were the Aston Martin Vantage GT3 Evo (10kg) and the McLaren 720S GT3 Evo (10kg).
The Porsche 911 GT3 R was hit with 20 extra kilos, but also received a one-degree reduction in minimum wing angle. The Ferrari 296 GT3 received an extra 10kg and a one-degree increase in minimum wing angle. The Ford Mustang GT3 will carry 15 extra kilograms, and the Lamborghini Huracan GT3 adds and extra 5kg.
The Corvette Z06 GT3.R will have one degree added to its minimum wing angle. The only car that received no changes was the Lexus RC F GT3.