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Acura, Cadillac DPis Get Power Increases for Road America

IMSA issues latest round of BoP changes for Road America…

Photo: Rick Dole/IMSA

Both the Acura ARX-05 and Cadillac DPi-V.R will head into next weekend’s IMSA WeatherTech SportsCar Championship round at Road America with power increases, in the latest round of Balance of Performance adjustments confirmed by IMSA.

Released on Friday, the latest BoP tables reveal that Acura DPi has been given both a 10 kg weight break and 13 horsepower increase across mid-to-high range RPMs.

The Cadillac DPi, which swept the podium at Sebring, meanwhile, will have a 0.3 mm larger air restrictor, which translates to roughly a 6.8-horsepower increase.

While the Cadillac remains the heaviest DPi at 960 kg, the Mazda RT24-P will lose an additional 20 kg, bringing it down to a minimum weight of 910 kg.

Fuel capacity adjustments have also been made to the Cadillac (-6 liters) and Mazda (-4 liters).

The GT Le Mans class sees a significant adjustment to the BMW M8 GTE, which drops 10 kg and gets a sizeable 14.3-horsepower increase for Road America.

All GTLM cars have been given increases in fuel capacity, with the BMW getting the biggest break (+12 liters), while the Chevrolet Corvette C8.R will now run at 101 liters (+5 liters) and the Porsche 911 RSR-19 at 96 liters (+3 liters).

Fuel capacity changes have been made across the board in GT Daytona, along with minor power adjustments to four of the cars.

The Lexus RC F GT3, which won the last two races, will face a 9.1-horsepower reduction, along with the Ferrari 488 GT3 Evo 2020, which has been hit with a 6.7-horsepower cut through turbo boost.

Both the Audi R8 LMS GT3 Evo and Lamborghini Huracan GT3 Evo, meanwhile, receive a 1 mm larger air restrictor, which equates to a 13 and 12.5-horsepower boost, respectively.

John Dagys is the founder and Editor-in-Chief of Sportscar365. Dagys spent eight years as a motorsports correspondent for FOXSports.com and SPEED Channel and has contributed to numerous other motorsports publications worldwide. Contact John

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