Porsche is launching a new racing model for customer competition: the new generation 911 GT3 R. Based on the latest generation of 911 (992), the new model is ready to take to the start of GT3 competitions worldwide from the start of the 2023 season. Its development began in 2019. The brand’s engineers are more connected to improving the endurance characteristics of the car, for professionals as well as for “gentleman drivers”, and increasing the power reserve according to the parameters of the Balance of Performance (BoP) set by the racing regulations . The brand’s engineers have also worked on better car management for the team as well as better control of entry costs. Porsche Motorsport is now offering the new 911 GT3 R at a price of EUR 511,000 (price excluding tax, excluding optional equipment).
“The new 911 GT3 R is highly anticipated,” says Michael Dreiser, Sales Director at Porsche Motorsport. “Since 2019, its predecessor has won almost everything in four seasons of GT3 competition. It has distinguished itself in particular by winning the overall classification at the 24-hour race at the Nürburgring, but also here, at Biashara-Francorchamps. Driven by our customers, the generation it previously won its class at the 24 Hours of Daytona and the 12 Hours of Sebring. Porsche customer teams will now be able to prepare for next season. »
As with IMSA competition in North America, the GT3 category will also be reserved for professionals for FIA World Endurance Championship (WEC) events. From 2024, GT3 racing models such as the new 911 GT3 R will be allowed to compete in the 24 Hours of Le Mans for the first time.
“As the previous generation performed flawlessly on circuits around the world, it is no surprise that expectations are high for the new model,” said Sebastian Golz, Project Manager of the 911 GT3 R at Porsche Motorsport. “For us it was not so much about increasing the top speed of the 911 GT3, as the classification of the model in terms of performance, according to the parameters of the balance of performance defined by the racing regulations (BoP), exceeds any possible level. speed advantage. Therefore, our main goal was to ensure that our customers can drive a racing car at high speed for a longer period of time. So we have worked on the stability of the performance. We focused on improving the endurance characteristics of the new model, as evidenced by the extended rev range of the new 4.2-liter engine, on stability and aerodynamics efficiency and reducing the load on the rear axle to preserve the tires. »
The beating heart of the new racing car is its near-series engine, based on the block of the 992 generation of the 911. As with the previous model, the new 911 GT3 R is equipped with a water-cooled flat-six. , equipped with four-valve technology and a direct gasoline injection system. The main novelty is in its transfer. Like the 911 RSR, the displacement of the new 911 GT3 R increases from 3,997 cm3 to 4,194 cm3 (+ 5%). Therefore, the maximum power of the engine increases to around 565 hp (416 kW). In addition, Porsche engineers have focused on improving torque and power flow throughout the rev range, allowing the new 4.2-liter six-cylinder unit to better meet the needs of “gentleman drivers”.
Without a turbocharger, the six-cylinder engine is mounted in its usual position, at the back, thus improving traction and stopping. Additionally, it tilts 5.5° forward, providing more space for the underbody diffuser. Auxiliary components, such as the alternator and the air compressor, have been moved forward by a good meter and placed below, above the engine and the gearbox, which makes it possible to increase the distribution of weight. The six-speed sequential gearbox is based on the latest generation 911 GT3 Cup transmission. Using paddles on the steering wheel, the driver controls a system of electronic drum starters for quick and precise gear changes.
The chassis of the new 911 GT3 R has been modified down to the smallest detail to improve handling, increase handling precision, reduce rear tire wear and shorten set-up time. For this, many features and technical solutions have been borrowed from the 911 RSR. A double wishbone front axle benefits from the latest technologies, and multi-link suspension works on the rear axle. The KW competition shock absorbers benefit from further refinement and now offer a five-adjustment configuration. Adjustments are made by means of parts called “shims”. These are washers that make it possible to adjust the settings correctly without having to adjust the chassis, a time-consuming operation.
The placement of the front axle’s center pivots has been optimized to implement the “low race floor” aerodynamic concept. As in the 911 RSR, this raised lower body smoothes the airflow towards the rear diffuser and reduces the steering, and therefore the forward direction of the car, especially when the springs are compressed on the brakes. The position of the rear wheels goes slightly back, bringing the wheelbase from 2,459mm to 2,507mm. The load on the rear tires is thus reduced, which makes it possible to increase their performance in the long run.
In addition to the competition’s aluminum brake calipers, the discs for the new 911 GT3 R are now supplied by the specialist AP Racing. On the front axle, metal discs for internal ventilation are punched. They measure 390 mm in diameter and are powered by six pistons. At the rear, four piston calipers are connected to a 370mm disc. Advanced software developed for the fifth generation of the racing ABS system helps reduce tire and brake wear. Porsche’s traction control system has also been improved.
The new 911 GT3 R is Porsche Motorsport’s second racing model based on the 992 generation, the first being the 911 GT3 Cup. Derived from the production model, its light alloy aluminum and steel body (intelligent composite materials) have been significantly modified. Almost all body components are made of lightweight carbon, including the front and rear bonnets, doors, side panels, rear spoiler and roof. The wheel arches are made of aramid fibers.
Even if a racing model like the 911 GT3 R must meet the requirements of performance, Grant Larson, designer of Porsche’s Styling department, has once again succeeded in creating forms that match their elegance. The style lines thus emphasize the stylistic relationship with the 911 by combining aesthetics and efficiency. The aerodynamic features of the car testify to this, especially the lower part (completely straight for the first time and raised to the level of the front axle), and the rear diffuser. This design feature allows for increased power without causing a noticeable increase in drag. In addition, the rear wing now benefits from a gooseneck attachment that ensures airflow damping under the wing, increasing aerodynamic efficiency.
When it comes to safety, the new 911 GT3 R makes no compromises. The seat has been moved closer to the center of the car, providing a more ergonomic seat and a better position compared to the improved roll cage and the newly designed FIA side protectors. The steering wheel and pedals can be adjusted in length according to the experiment, as in the previous example. In addition, Porsche experts have also modified the six-point safety harness. Thanks to the special ramps, the tab enters the buckle faster, which can save almost a second when leaving the hole and changing the driver. The steering wheel design has also been improved compared to that of the previous model. It features features that have featured on the current 911 GT3 Cup and 911 RSR models. Thus, the 10.3-inch screen is taken from the famous competition model of the same brand, while the concept of multi-function buttons (multi-switch system) is borrowed from the racing model that has won many class victories at Le Mans.
The high LED lights of the 911 GT3 R are based on the so-called collimator system, developed by Porsche for various models, including the new LMDh 963 model. The device works on the principle of a magnifying glass, but in reverse. It features a large area of rotation, which is a significant improvement over previous model lights, which were already considered the best in its class.
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