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Porsche LMDh Prototype Tested On Weissach Track With Twin-Turbo V8

motor1.com logo motor1.com 2022-01-27 Adrian Padeanu

Porsche Le Mans Hypercar prototype LMDh © Motor1.com Copyright Porsche Le Mans Hypercar prototype LMDh

The combustion engine runs on renewable fuel and works together with an electric motor.

Porsche must believe there's no replacement for displacement as the motorsport division's LMDh prototype is going to rock a large V8 with a pair of turbochargers. Toyota and Peugeot have decided to stick with smaller V6s for their Le Mans Daytona hybrid race cars. That doesn't mean the folks from Zuffenhausen will have a more powerful machine since LMDh regulations state total output must not exceed 500 kilowatts (670.5 horsepower).

Interestingly, the V8 is being engineered to run on renewable fuels to drastically cut CO2 emissions and will rev at a screaming 10,000 rpm. The twin-turbo powerhouse must weigh at least 180 kilograms (397 pounds) after factoring in the exhaust system and cooling. Connected to an Xtrac transmission, the engine must generate a pass-by noise no louder than 110 decibels.


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At the core of the new track weapon is a Multimatic chassis derived from LMP2 and due to be used by Audi's prototype, with Lamborghini possibly following in 2024. The goal is to have the LMDh beast ready by the end of the year, but to make that happen, numerous tests will be conducted in the coming months.

Porsche Penske Motorsport will field the car with the 2023 season in the FIA WEC World Endurance Championship and the North American IMSA WeatherTech SportsCar Championship. The cost cap for one car without the engine has been set at €1 million or about $1.12 million at current exchange rates.

LMDh Is Shaping Up Quite Nicely:

Source: Porsche

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