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Cadillac DPis Get Weight Break in Late BoP Change

IMSA makes late BoP change to Cadillac DPi-V.R ahead of Michelin Raceway Road Atlanta weekend…

Photo: Peter Burke/IMSA

The Cadillac DPi-V.R has received a 15 kg weight break ahead of this weekend’s TireRack Grand Prix at Michelin Raceway Road Atlanta, in a Balance of Performance adjustment made outside of IMSA’s typical time window.

Confirmed in a technical bulletin sent to teams on Tuesday, the Cadillac DPi will now weigh in at 945 kg, instead of 960 kg.

Previously, the only BoP changes that were due to be made for this weekend were in GT Le Mans and GT Daytona, as declared last week prior to the seven-day window from the start of official on-track activity.

The revised BoP comes in accordance with section 2.2.2 of the IMSA WeatherTech SportsCar Championship series supplementary regulations, which cites the power to make changes based on “unforeseen or otherwise extraordinary” circumstances if the application of the rules “may not achieve the purpose.”

Sportscar365 understands there had been pressure from Cadillac for a change ahead of Saturday’s Michelin Endurance Cup round. 

Wayne Taylor Racing’s Renger van der Zande said in a pre-event Zoom call, prior to Tuesday’s change, that they wouldn’t have the pace to fight for “anything more” than fifth position.

“I don’t want to be the guy who’s always complaining about BoP but it is quite frustrating that you cannot fight against the Mazda or Acura which are just flying by,” van der Zande said on Monday.

Other changes in the updated BoP include fuel capacity increases for the BMW M6 GT3 (+2 liters) and Ferrari 488 GT3 Evo 2020 (1 liter).

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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