The Porsche 911 RSR is a hardcore model of the Neuelfer meant particularly for racing. The engine is moved midship for higher dealing with, and it is totally reworked to handle the pains of endurance racing. Now, on the 2019 Goodwood Pageant of Pace, Porsche is displaying off the most recent iteration of its bread-and-butter GT race automobile.
Porsche on Saturday unveiled the 2019 RSR. It is going to compete in each the FIA World Endurance Championship (within the GTE class) and the IMSA WeatherTech SportsCar Championship sequence. It replaces the 911 RSR that is already gained the 24 Hours of Le Mans and eight completely different IMSA endurance races, together with runs at Sebring and Street Atlanta.
Primarily based on the 991.2 GT3 RS, the brand new RSR wields a potent 4.2-liter flat-six. Relying on the dimensions of the restrictor plate required per racing laws, the automobile produces roughly 515 horsepower. In reality, it is the biggest boxer engine to ever be fitted in a Porsche 911. The automaker claims it has higher drivability over a large band of revs than its predecessor.
That energy makes its solution to the rear wheels via a six-speed sequential racing transmission, which has been stiffened for the 2019 mannequin. As an alternative of routing the exhaust via the rear bumper, it now leaves the automobile via a pair of cutouts forward of both rear wheel. Not solely does this save weight, in line with Porsche, it additionally provides an aerodynamic benefit. Clearing house below the rear bumper allowed Porsche to optimize the rear diffuser for much more downforce than earlier than.
Whereas Porsche has been engaged on the brand new RSR since 2017, it actually proved its value this previous March, when Porsche ran the automobile for 30 hours over some 3,700 miles of racing. In what looks as if an odds-defying run, the automobile exhibited no technical points, and it was cleared for racing in early July. After its Goodwood debut, it is going to kick off the 2019-202 WEC season at Britain’s Silverstone monitor on September 1.