![]() ![]() Like in motorsport models, speed-resistant valve actuation takes place via rigid rocker arms, which do without hydraulic clearance compensation. Rigid valve train, high-performance oil supply system However, this is continuously open during normal operation. The central throttle valve is preserved as a back-up solution. This is positioned particularly close to the intake valves, thereby improving air supply and control precision. On the intake side, for example, each of the six cylinders is provided with its own individual throttle valve at the end of the variable resonance intake system. Both cars therefore also share the same racing technology. The new GT model's engine responds eagerly when the accelerator is pressed, and its qualities as a thoroughbred racing motor are also demonstrated by the fact that this direct-injection petrol unit will be used in practically unchanged form from the start of the 2021 season to power the new 911 GT3 Cup, the standard car for the Porsche Mobil 1 Supercup and selected Carrera Cup championships around the world. Maximum torque has been increased from 460 to 470 Nm. Thanks to its high-revving concept, it delivers its maximum power at 8,400 rpm and the rev limiter only cuts in on this outstanding revving ability at 9,000 rpm. With 375 kW (510 PS), its output is 10 PS higher than in the last 911 GT3. The boxer engine is familiar from its use in the 911 Speedster and is based on the racing powerplant of the 911 GT3 R. The high-performance athlete’s heart of the Porsche 911 GT3 traditionally beats at the rear: the naturally aspirated 4.0 litre six-cylinder engine creates an emotive experience through the combination of exhilarating power delivery and a stirring soundtrack. ![]()
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