GTP 101: Cadillac V LMDh internal combustion engine
It's the only non-turbo engine in IMSA's new WeatherTech SportsCar Championship hybrid GTP class and it makes incredible sounds while generating a ton of power. Take a look at the motor behind the Cadillac V-LMDh which makes its racing debut at the Rolex 24 At Daytona.
Marshall Pruett
The 2026 season marks Marshall Pruett's 40th year working in the sport. In his role today for RACER, Pruett covers open-wheel and sports car racing as a writer, reporter, photographer, and filmmaker. In his previous career, he served as a mechanic, engineer, and team manager in a variety of series, including IndyCar, IMSA, and World Challenge.
Read Marshall Pruett's articles
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