DAYTONA BEACH, Fla. — Two rival manufacturers — Porsche and Cadillac — met at Sebring International Raceway for testing of the cars that will debut next year as the Grand Touring Prototype (GTP) class in the IMSA WeatherTech SportsCar Championship. “They know how to read me,” Cameron said, referring to his team. It was the first time that two GTP manufacturers shared the same track for a test. The LMDh cars being developed for the GTP class marry each manufacturer’s engine and bodywork styling to a shared hybrid platform. Engineers from Cadillac and Porsche exchanged data from the hybrid system, helping both manufacturers come to grips with its intricate personality. “The manufacturers really bought into this shared hybrid platform, and it’s not developed just for our cars. “It’s developed for Cadillac and all these other manufacturers that are joining the program. “They know me, they trust me, they know what my feedback is and if I’m happy or unhappy,” Cameron said.

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