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Mazda Pegged Back in BoP; No Juncos for Road America

Photo: Scott LePage/IMSA

Mazda Team Joest has been pegged back in the latest round of Balance of Performance adjustments confirmed by IMSA on Wednesday.

The Watkins Glen and Canadian Tire Motorsport Park-winning Mazda RT24-P has been handed a 20 kg increase in minimum weight and a reduction in turbo boost equivalent to nearly 17 horsepower in the mid-to-high RPM ranges for next weekend’s round at Road America.

It marks the first major BoP hit for the Multimatic-built prototype, which has come onto form in recent races.

Other BoP changes to the DPi class include a 20 kg weight increase for the Cadillac DPi-V.R, although offset by a 0.6 mm larger air restrictor for approximately a 11 horsepower increase from the normally aspirated V8.

Additionally, the Acura ARX-05 has been hit with 10 kg of additional weight as well, with the Nissan DPi remaining unchanged.

Both the Cadillac and Mazda have also been given fuel capacity adjustments due to the power level changes.

The GT Daytona class, meanwhile, has seen BoP adjustments to three cars, with the Acura NSX GT3 Evo getting hit the hardest with a 20 kg increase in minimum weight.

Both the Ferrari 488 GTE (-10 kg) and McLaren 720S GT3 (-30 kg) have received weight breaks and power increases, with the McLaren getting an additional 7 horsepower and the Ferrari roughly a 4 horsepower increase.

No changes have been made to the GT Le Mans class.

35 Entries for Road America; No Juncos

A total of 35 cars are on the provisional entry list for next weekend’s round at Road America, with Juncos Racing the most notable absence from the grid.

It comes following Victor Franzoni’s massive race-ending accident at CTMP, which required the team to build up a new Cadillac DPi-V.R. The Ricardo Juncos-led crew had initially been targeting to be on the grid for Road America.

Other changes include the expected return of Tommy Milner to the No. 4 Chevrolet Corvette C7.R as well as the No. 8 Starworks Motorsport Audi R8 LMS GT3 Evo, which is listed for Ryan Dalziel and Parker Chase.

Patrick Kelly, meanwhile, will make his LMP2 debut at the wheel of PR1/Mathiasen Motorsports’ Oreca 07 Gibson alongside full-season driver Matt McMurry, with James French returning to Performance Tech Motorsports for his home race.

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

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