Thursday, January 26, 2023

IMSA GTP 101: The Acura ARX-06's Internal Combustion Engine

 


3D-printed exhaust outlets? An air-to-water intercooler placed inside the turbocharger plenum? Acura's IndyCar-bred ARX-06 engine is unlike anything found in IMSA's new WeatherTech SportsCar Championship hybrid GTP class, and thanks to Honda Performance Development, RACER was taken on a tour of the 670hp 2.4-liter twin-turbo V6 motor ahead of its competition debut at the Rolex 24 At Daytona.


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