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Porsche officially unveils its 911 GT3 R type 992

If you are an avid reader of Endurance-Info, you already know almost everything about the new 911 GT3 R. And for good reason, we had the chance to attend a private test session of the beast, on the Spa-Francorchamps circuit. But on the sidelines of the edition of the 24 Hours of Spa – flagship round of the GT World Challenge Endurance Cup – the German manufacturer said more about its new weapon, a few hours after the sworn enemy Ferrari unveiled the little sister of the 488 GT3 (see HERE).

See also: Porsche 911 GT3 R type 992 – The pictures!

The new GT3 R, based on the 992 and more precisely on the 911 GT3 and not the 911 GT3 RS, unlike its predecessor. And this in particular for reasons of timing, the GT3 RS having simply not yet been unveiled. As surprising as it may seem, the development of the latter began in 2019. The priority was to improve the handling, both for professional pilots and gentleman pilots, while taking into account the BoP and the classification. pilots. According to Porsche, this has not prevented a drop in operating costs. For sale, the price of the new GT3 R is 511,000 euros excluding taxes and options.

The new 911 GT3 R has a complex mission, acknowledges Michael Dreiser, Sales Manager at Porsche Motorsport. His ancestor has won almost everything there is to win on the GT3 scene in four seasons since 2019. Landmark successes that include overall victories in the 24 Hours at the Nürburgring and also here at Spa-Francorchamps. Run by our customers, the predecessor took class wins at the 24 Hours of Daytona and 12 Hours of Sebring. The new model has to cope with a considerable workload in the hands of Porsche customer racing teams. »

© Porsche

As on the previous model, the engine is a water-cooled flat 6 with four valves and direct fuel injection. But it is in its displacement that lies its major novelty. The engine capacity has increased by 5%, from 3,997 to 4,194 cm3. Power has been increased to approximately 416 kW (565 horsepower). But the most important thing is certainly the optimization of the torque and power curve over the entire rev range.

An engine that has been tilted 5.5° forward, allowing the diffuser to gain in efficiency, thanks to a surface and a height going upwards. The alternator and the air conditioning compressor have been moved a good meter forward and downwards, which has a positive effect on the weight distribution of the 911 GT3 R.

The six-speed sequential gearbox is derived from the current 911 GT3 Cup. The suspension of the new 911 GT3 R – of which many details have been modified – promotes traction, allows more precise steering, ensures less wear on the rear tires and reduces the time spent changing settings.

© Porsche

For this, many components and technical solutions have been borrowed from the 911 RSR. At the front axle, the wheels are controlled by a state-of-the-art double wishbone system. The rear axle is of the multi-link type. The KW shock absorbers have been improved and offer five adjustment possibilities. Tuning changes are made using so-called shims. These plates allow for precise adjustments without the need to realign the suspension afterwards, which takes a lot of time. The rear wheels have been moved a bit further back, increasing the wheelbase from 2,459 to 2,507 millimetres. It also reduces the load on the rear tires and improves the consistency of tire performance on long journeys.

In addition to the monobloc aluminum racing brake calipers, the brake discs of the new 911 GT3 R are now supplied by the specialist company AP. The steel, internally ventilated and slotted front discs measure 390mm in diameter and are powered by six pistons. At the rear, four-piston calipers and 370 mm diameter discs are fitted.

The kinematics of the suspension have been revised, with the aim of ensuring better traction, more precise steering, less damage to the rear tyres. Here again, for the sake of saving time in particular… Pedals and tub are adjustable and the last summer mentioned.