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The 911 RSR debuted at a packed house at the Goodwood Festival of Speed, its flat six-cylinder engine raging in the Duke of Richmond's alley.
Andrew Krok / Roadshow
The Porsche 911 RSR is a hardcore version of the Neuelfer specifically designed for racing. The engine is moved to the middle of the ship for better maneuverability, and it has been completely reworked to handle the rigors of endurance. Today, at the 2019 Goodwood Speed Festival, Porsche unveils the latest version of its GT race car.
Porsche unveiled Saturday the 2019 RSR. It will compete at the FIA World Endurance Championships (in the GTE class) and at the IMSA WeatherTech SportsCar Championship Series. It replaces the 911 RSR that has already won the 24 Hours of Le Mans and eight different IMSA endurance races, including the races at Sebring and Road Atlanta.
Based on the 991.2 GT3 RS, the new RSR features a powerful six-cylinder flatbed 4.2-liter. Depending on the size of the restriction plate required by the racing regulations, the car produces about 515 horsepower. In fact, it is the largest boxer engine ever mounted on a Porsche 911. The manufacturer claims to have better handling over a wide range of speeds than its predecessor.
This power reaches up to the rear wheels thanks to a six-speed sequential race transmission, which has been enhanced for the 2019 model. Instead of routing the exhaust through the rear bumper, it Now let the vehicle through a pair of cutouts located in front of either or the rear wheels. This not only saves weight, adds Porsche, but also an aerodynamic advantage. The clear space beneath the rear bumper allowed Porsche to optimize the rear diffuser so that it was even more buoyant than before.
While Porsche has been working on the new RSR since 2017, it really proved itself last March, when the car ran for 30 hours over 3700 km of racing. In what appears to be a race defying the odds, the car had no technical problems, and it was allowed to run in early July. After his debut at Goodwood, he entered the WEC 2019-202 season on the British Silverstone circuit on September 1st.
The side exit exhaust pipes not only allow Porsche to modify its diffuser for better aerodynamics, but also in the foreground.
Porsche
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