Both Porsche 963 Specs Get Biggest Breaks for Watkins Glen
Photo: Porsche Both the 2025 and 2026-spec of the Porsche 963 have been given the largest weight breaks, in class-wide GTP Balance of Performance adjustments for next weekend’s Sahlen’s Six Hours of The Glen. Released by IMSA on Wednesday , all six specifications of GTP class entries, including the Aston Martin Valkyrie, will be lighter for the third leg of the IMSA Michelin Endurance Cup. JDC-Miller Motorsports’ Porsche, which runs to last year’s aero specifications, has received a 25 kg weight break, bringing it down to 1052 kg, the lightest the car has been since the team’s breakthrough win at WeatherTech Raceway Laguna Seca. By the same token, the factory Porsche Penske Motorsport entries are now back down to 1055 kg, marking a 27 kg weight break since Detroit, marking the cars’ lightest weight since the Mobil 1 Twelve Hours of Sebring, where it finished 1-2 overall. Both the Cadillac V-Series.R and Acura ARX-06 have been handed 6 kg weight ...