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Multiple BoP Changes for Lime Rock

Multiple changes in IMSA BoP for Lime Rock…

Photo: Jake Galstad/IMSA

IMSA has confirmed multiple Balance of Performance adjustments for GT Le Mans and GT Daytona class cars ahead of next weekend’s Northeast Grand Prix at Lime Rock Park, including power cuts for both the BMW M6 GTLM and Ferrari 488 GT3.

The BMW, which claimed its second consecutive GTLM class win last weekend at Canadian Tire Motorsport Park, has received a significant reduction in turbo boost across all RPM levels, as well as a 1-liter fuel capacity cut and refueling rig height adjustment.

After struggling in the last two rounds, the Corvette C7.R has been given a 0.2 mm larger air restrictor and 1-liter fuel capacity increase for Lime Rock, along with a 1.5mm larger refueling restrictor.

Refueling restrictor adjustments have also been made to the Ford GT (+0.5 mm) and Porsche 911 RSR (-1.0 mm)

In GTD, the Ferrari has also received a reduction in turbo boost, along with corresponding adjustments to fuel capacity (-1 liter) and refueling restrictor (-3 mm).

Other changes in the class include a 20kg weight break for the Lamborghini Huracan GT3, 10kg reduction for the Porsche 911 GT3 R, a further 20kg added to the Mercedes-AMG GT3 and a 1 mm smaller air restrictor for the Lexus RC F GT3.

The Northeast Grand Prix is scheduled for July 21-22.

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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