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Extreme: the new Porsche 911 (992) GT3 Cup is here!

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Extreme: the new Porsche 911 (992) GT3 Cup is here!

Porsche has presented the latest generation of the world's best-selling racing car: the new 911 GT3 Cup. From the 2021 season it will serve as the new competition vehicle for the Porsche Mobil 1 Supercup and the national Porsche Carrera Cups in Germany, France, Asia and Benelux, and for the first time also in North America. The spectacularly designed cup car is the first racing version based on the current generation 992 and the sports car manufacturer's first brand cup car to feature a turbo-wide body. With an output of around 375 kW (510 PS), it exceeds its direct predecessor by 25 PS. The new GT3 Cup is also designed to run on synthetic fuels, which enable a significant reduction in CO2 in racing. The lap times with the completely newly developed Cup 2021 should improve by a good one percent, depending on the route profile. Delivery to the teams will begin in February 911. Porsche is now offering the new 3 GT225.000 Cup at a price of XNUMX euros plus country-specific VAT.

Porsche 911 (992) GT3 Cup

Extreme: the new Porsche 911 (992) GT3 Cup is here!

In 1990 Porsche presented the first 911 Cup vehicle. It was based on the 964 generation and was launched in the debut season of the German Porsche Carrera Cup with 260 hp. From 1993 it was also used in the newly founded Porsche Supercup as part of the Formula 1 supporting program. Over the years, five more generations of this unprecedentedly successful racing car followed, which to date has produced 4.251 units - a unique record. "As the basic model for the Carrera Cups and the Porsche Mobil 1 Supercup, the 911 made history - no other racing car has found so many satisfied customers as the 1990 since XNUMX", Emphasizes Michael Dreiser, Sales Manager Porsche Motorsport. "The new 911 GT3 Cup is now opening the next chapter. Our goal is to use him to jump the 5.000 mark in production in the coming years. Like its ancestors and ancestors, this model will once again make it easier for a whole generation of talented racing drivers to enter professional sport and shape the face of our customer sport commitment worldwide."

The basic concept was created in 2018

Extreme: the new Porsche 911 (992) GT3 Cup is here!

The basic concept for the latest model was created in 2018. The concrete development began at the beginning of 2019. The main development goals of the team led by project manager Jan Feldmann were, in addition to further improved performance, a more aggressive design, easier handling and greater durability with less effort for use and maintenance. The result is reflected in numerous aspects of the new racing car, which - like its predecessor - rolls off the production line in Stuttgart-Zuffenhausen together with the 911 series models.

"We wanted to position the new 911 GT3 Cup even more consistently as a professional racing car, but at the same time make it more cost-effective for the teams, ”explains Feldmann. “This was particularly successful thanks to its striking appearance, the upgraded chassis and intelligent detailed electrical solutions. The new 911 GT3 Cup drives noticeably more precisely and is even more fun. With its improved performance and the optimized workplace for the driver, it is the best Cup car that Porsche has ever built."

The most striking features of the new 911 GT3 Cup include its optimized aerodynamics and the overall more concise appearance - it looks even more convincing at first glance. On the one hand, this is due to the turbo-wide lightweight body, which is being used for the first time in the Cup car. With a total width of 1.902 millimeters, it exceeds the previous model on the rear axle by 28 millimeters and is characterized by an additional cooling air inlet in front of the wheels. The 992 generation of the 911 also has a significantly wider front axle. Thanks to additional flared fenders, the new 3 GT1.920 Cup now even measures 12 millimeters on the front axle. This clears the way for a harmonious wheel-tire combination with 13-inch wide rims on the front and XNUMX-inch wheels on the rear axle. It is typical of GT racing and has a positive effect on the handling and drivability of the racing car.

seventh generation of the Cup vehicle

At the same time, the seventh generation of the Cup vehicle generates noticeably more aerodynamic downforce. It results from the combination of the rear bumper with the larger rear wing and the front apron, which has been specifically adapted to racing by means of a front spoiler lip and deliberately positioned spoiler edges. The eleven-way adjustable gooseneck suspension of the rear wing ensures an undisturbed undercurrent. The increased aerodynamic efficiency also results in even more stable driving behavior, especially in fast corners.

Extreme: the new Porsche 911 (992) GT3 Cup is here!

The body of the Cup vehicle from generation 991.2 was made of 70 percent steel and 30 percent aluminum. This relationship has been reversed for the successor. The fact that it still weighs around 1.260 kilograms more with an empty weight of 35 kilograms is due, for example, to the steel safety cell, which has been expanded with additional struts. The removable escape hatch in the roof corresponds to the current FIA standard. All windows of the GT3 Cup are made of lightweight polycarbonate and have a scratch-resistant hard coat seal. The doors, engine cover and rear wing are made from carbon fiber composites. In contrast, the front hood with its distinctive ventilation openings provides an example of the intelligent use of materials: Like the 911 Carrera, it is made of aluminum - this lowers repair costs after a third party contact.

The developers paid great attention to ergonomics around the driver. In addition to the incline, the new racing seat can now also be adjusted twice in height. In combination with the two-axis steering wheel adjustment, this ensures individual adaptation to any driver stature. Different padding thicknesses increase the individual adjustment options. The redesigned, open-top motorsport multifunctional valance made of carbon fiber is a further development from the 911 GT3 R. Its illuminated buttons were rearranged at the suggestion of the driver. The so-called Rubber Switch Panel (RSP) to the right of it picks up a control element of the Porsche 919 Hybrid with its ten large buttons. They can be reached accurately even in the heat of racing and are assigned central functions such as light and ventilation or the change of setting from dry to rain tires. One intelligent detail improvement concerns the setting of the brake balance: From now on it is done intuitively using a rotary knob on the right outside of the RSP in or against the direction of travel - depending on whether the front axle is to be assigned more or less braking effect.

Extreme: the new Porsche 911 (992) GT3 Cup is here!

centrally placed 10,3 inch color monitor

The developers have redesigned the centrally placed, 10,3 inch color monitor. From now on, it prioritizes the display of data and information that the driver uses during racing. In addition to the engine speed, for example, water and oil temperature, the currently engaged gear and error messages or information on important basic settings such as "wet" for wet race tracks. The design of the display is adopted after the data has been read out for the computer screen, which means that the driver and the race engineer see the same image. This makes the analysis after the session easier.

In general, the electronics are even more clearly at the service of the teams, as they facilitate error analyzes and specifically introduce problem solving. Around 700 diagnostic options are available. A specific software summarizes all information in a more understandable and clear way. Optional vehicle functions such as ABS or traction control are already stored in the system. They can be activated using a digital code. In the Porsche Mobil 1 Supercup and in most national Carrera Cups, these driving aids remain deactivated: Here, the driving talent of the participants alone should be decisive.

Data logger in the rear right rear area

Another example of fine, well thought-out solutions in the new 911 GT3 Cup is the arrangement of the electronic components: Motorsport control units and data loggers have moved from the passenger footwell back to the rear right rear area. So they no longer stand in the way of installing a second seat, such as is used for racing taxi rides.

Extreme: the new Porsche 911 (992) GT3 Cup is here!

The chassis of the Cup 911 offers the finest racing technology. While the rear axle remains basically unchanged compared to the series, the front wheels are now guided by double wishbones and play-free Uniball bearings - as in the 919 RSR, the current top-of-the-range Porsche model. As a result, the dampers do not absorb any lateral, but only axial forces. This enables a more precise steering behavior and gives a better feeling for the front axle. The shock absorbers also have state-of-the-art valve technology derived from the 911 Hybrid and 911 RSR. The purely electro-mechanical power steering is also new for the 3 GTXNUMX Cup. It enables the hydraulic pump and corresponding hydraulic lines to be dispensed with.

On the engine side, the 911 GT3 Cup stays with the suction principle. In the racing version, the 4,0 liter, water-cooled six-cylinder boxer develops 375 kW (510 hp). The dry sump-lubricated high-speed unit reaches its peak of performance at 8.400 rpm. Previously it was 7.500 rpm. The maximum speed is 8.750 tours and the maximum torque of 470 Newton meters is 6.150 rpm. A single throttle valve intake system with two resonance valves ensures an even more spontaneous response and, in conjunction with the catalytic converter racing exhaust system, creates an inspiring soundscape. There are three different exhaust systems to choose from, depending on the racing series, regulations and route. The electronic engine management MS 6.6 comes from Bosch.

Extreme: the new Porsche 911 (992) GT3 Cup is here!

Revision only after 100 hours on the racetrack

As with its direct predecessor, the six-cylinder only needs an overhaul after 100 hours of use on the racetrack. The engine is connected to the sequential, 72 kilogram six-speed claw transmission via a single-mass flywheel and a three-disc sintered metal racing clutch. It can be switched using paddles on the steering wheel and has to have a “minor inspection” after 60 hours of racing - this roughly corresponds to the duration of two years in the Porsche Mobil 1 Supercup. The major overhaul is only due after 120 hours of operation. The gear shift drum is operated by an electric servomotor instead of pneumatically as was previously the case. Advantage: even faster gear changes, the option of live diagnosis and a reduced risk of damage, for example in the event of a wrong shift.

Extreme: the new Porsche 911 (992) GT3 Cup is here!

The special attention to detail improvement is reflected in the 911 GT3 Cup in many other optimizations:

  • Every Cup car is now delivered by Porsche Motorsport together with a complete accessory package. It includes, for example, all the necessary special tools and wishbone spacers for track adjustment. This means that the 911 GT3 Cup is ready for use on the racetrack at the factory, without the customer teams having to order these parts individually.
  • The new generation of models also has the water cooler directly behind the front apron. This placement was deliberately retained: the risk of damaging the radiator counteracts an overly aggressive driving style. At the same time, the laying of a strut ensures that smaller bumps go unpunished.
  • From now on, special brake calipers enable the brake pads to be changed even faster.
  • The drive shafts of the rear wheels are given a special, even more durable motorsport design.
  • Textile loops are again used as attachment points for tow ropes. They replace the previously used steel swivel hooks.
  • A new central nozzle for the fire extinguisher system improves the distribution of the extinguishing agent in the interior.
  • The new positioning of the release unit makes it easier for the stewards to check the operational readiness of the fire extinguishing system from the outside.
  • Adapted safety quick releases for the inner door opener improve the ergonomics when getting out on the one hand and safety in an emergency on the other.
  • The on-board electrical system works without physical plug fuses. This reduces the amount of material used in the wiring harness and saves weight. The new development is easier to reach thanks to its central arrangement.
  • If the engine dies at the start of the race, the hazard warning lights switch on automatically to draw the attention of the following participants to the danger.

Extreme: the new Porsche 911 (992) GT3 Cup is here!

Photos: Porsche

Technical data Porsche 911 GT3 Cup (992) model year 2021:

  • Concept
    Single seat customer racing vehicle
  • Weight / dimensions
    • Basic weight: approx. 1.260 kg
    • Length: 4.585 mm
    • Width: 1.920 mm (front axle) / 1.902 mm (rear axle)
    • Wheelbase: 2.459 mm
  • Motor
    • Water-cooled 6-cylinder boxer engine, rear arrangement; Displacement 3.996 cc, stroke 81,5 mm, bore 102,0 mm; approx. 375 kW (510 hp) at 8.400 rpm; Max. Torque 470 Nm at 6.150 rpm; Maximum speed 8.750 / min; Four-valve technology; Single throttle valve system; Suction system with two resonance flaps; electronic engine management Bosch MS 6.6; Dry sump lubrication; Single mass flywheel; Racing exhaust system with DMSB certified catalytic converter; Fuel quality Superplus unleaded up to E20 (min. 98 octane).
  • power transmission
    • Sequential Porsche 6-speed dog gear; Shift paddles on the steering wheel with electronic shift drum actuators; mechanical limited slip differential; 3-disc sintered metal racing clutch.
  • Body
    • Lightweight body in intelligent aluminum-steel composite construction; Recording lifting device; removable escape hatch in the roof; Welded-in roll cage, approved for passenger use on circuits; Seat according to FIA 8862-2009, infinitely adjustable in the longitudinal direction as well as twice in height and inclination; Six-point seat belt for use with HANS®; adjustable steering column with steering angle sensor; Front cover with integrated quick-release fasteners, radiator exhaust air duct and central air inlet for interior ventilation; Front fairing with widenings and spoiler lip; Fenders with flares; Rear fairing with integrated rain light according to FIA regulations; Doors, trunk lid and rear wing made of CFRP; Rear wing with gooseneck connection, adjustable eleven times; complete polycarbonate glazing with hard coating; 3-piston air lifting system, air lance valve can be mounted on both sides; 110 liter FT3 fuel tank in the front of the car • CFRP interior trim, multifunctional CFRP motorsport steering wheel with quick-release coupling, rocker switches and illuminated pushbuttons; ergonomically designed digital control panel with colored background lighting; Window and middle net according to the latest FIA safety regulations; Preparation for seat ventilation; Fire extinguishing system with electronic release unit.
  • Suspension
    • Forged aluminum handlebars and support bearings, optimized for rigidity; High-performance spherical plain bearings with dust protection; Wheel hubs with central locking; Vibration damper with motorsport-specific valve design; sword stabilizers adjustable on both sides; Tire pressure control system.
  • Front:
    • Double wishbone axle, adjustable in height, camber and toe;
    • Electromechanical power steering with maneuvering function.
  • Rear axle:
    • Multi-link axle, adjustable in height, camber and toe;
    • Racing cardan shafts with increased robustness.
  • braking system
    • Two separate brake circuits with brake pressure sensors for the front and rear axles, adjustable by the driver via the balance beam system; Racing brake pads; optimized brake air routing; ergonomic brake pedal positioning.
    • Front axle: One-piece 6-piston racing brake calipers made of aluminum with "anti-knock-back" piston springs; internally ventilated steel brake discs with a diameter of 380 mm and a cross-section of 32 mm; Aluminum brake disc chamber.
    • Rear axle: One-piece 4-piston racing brake calipers made of aluminum with "anti-knock-back" piston springs; internally ventilated steel brake discs with a diameter of 380 mm and a cross-section of 32 mm; Aluminum brake disc chamber.
  • Rims / tires
    Front axle: one-piece alloy wheels 12,0 J x 18 ET 25; Tire size 30 / 65-18.
    • Rear axle: One-piece forged light alloy wheels 13 J x 18; Tire size 31 / 71-18.
  • Electrics
    • Porsche Logger Unit; Porsche Power Box, 10,3-inch Porsche color display; leak-proof LiFePO4 lightweight battery 12V, 60 Ah in the passenger footwell; 175 A generator; digital control panel with colored backlight; Single-arm windshield wiper with direct drive (intermittent and continuous wiping), connection option for three additional consumers; Data interface (data logger, video system)
    • LED main headlights and daytime running lights; LED taillights and rain lights.

Extreme: the new Porsche 911 (992) GT3 Cup is here!

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Extreme: the new Porsche 911 (992) GT3 Cup is here!

Porsche 911 GT3 Cup (992) model year 2021

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About Thomas Wachsmuth

Thomas Wachsmuth - He has been an integral part of tuningblog.eu since 2013. His passion for cars is so intense that he invests every available penny in them. While he dreams of a BMW E31 850CSI and a Hennessey 6x6 Ford F-150, he currently drives a rather inconspicuous BMW 540i (G31/LCI). His collection of books, magazines and brochures on the subject of car tuning has now reached such proportions that he himself has become a walking reference work for the tuning scene.  More about Thomas

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