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Cadillac DPi Gets Further Weight Break for Petit Le Mans

Cadillac sheds additional weight for title-deciding Motul Petit Le Mans…

Photo: Jake Galstad/IMSA

The Cadillac DPi-V.R has been given a further weight break ahead of next weekend’s IMSA WeatherTech SportsCar Championship season-ending Motul Petit Le Mans.

Confirmed in the final round of Balance of Performance adjustments for the year, issued by IMSA on Wednesday, the Dallara-built DPi contender has received a 15 kg reduction in minimum weight, bringing the car down to 945 kg.

It comes following a 20 kg weight break for last month’s round at WeatherTech Raceway Laguna Seca, which had also included a 0.3 mm larger air restrictor.

The adjustment puts the Cadillac on the same minimum weight as the Acura ARX-05, which currently leads the DPi title race in the hands of Acura Team Penske’s Juan Pablo Montoya and Dane Cameron. 

While no other changes have been made for the ten-hour enduro at Michelin Raceway Road Atlanta in the DPi class, power and weight adjustments have been made to cars in the GT Le Mans and GT Daytona categories.

It includes a 6-horsepower increase for the BMW M8 GTE, while the Ferrari 488 GTE, which makes its first start since the season-opening Rolex 24 at Daytona, has been set with a minimum weight of 1250 kg and with a roughly 20 horsepower increase compared to previous power levels in the season-long BoP.

As a result, the Risi Competizione Ferrari will run 20 kg lighter than it did at Daytona, which features its own standalone BoP.

The only change in GTD for Road Atlanta comes with a 10 kg increase in minimum weight for the Porsche 911 GT3 R.

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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