Press release
4MB
january 27, 2023 - Porsche
The technology of the new Porsche 963 hypercar/GTP prototype in detail
On 16 December 2020, #porsche announced its commitment to developing an LMDh prototype for #racing from January 2023. The prospect of fielding a vehicle in both the FIA World Endurance Championship (WEC) and the North American IMSA WeatherTech SportsCar Championship proved to be the deciding factor for the Executive Board’s decision at #porsche AG. Less than five months later, #porsche divulged its close partnership with Team Penske. The new #porsche Penske Motorsport team for international #racing was born. The squad operates out of two locations: The IMSA headquarters is in the American team’s home of Mooresville, North Carolina, with the WEC operations run from Mannheim, Germany. After the start of the active testing phase for the new prototypes in January 2022, the factory squad is about to celebrate its race debut in Daytona.
The new #porsche963 makes its official race debut at the 24 Hours of Daytona in the US state of Florida (28/29 January). Prior to this, the hybrid vehicle had covered more than 33,000 kilometres at tests and the so-called Roar at Daytona. In the final qualifying session, the two works cars qualified on positions two (No. 7) and nine (No. 6). The type designation alone makes the path clear that the Stuttgart sports car manufacturer is pursuing with the #porsche963: The new car for the top classes Hypercar (FIA WEC) and GTP (IMSA) puts out around 500 kW (680 PS) in race mode and is expected to continue the successful legacy of the #porsche 962.
The legendary model from the Group C era achieved something unprecedented in 1986 and 1987: in both seasons, the cars clinched overall victory at Le Mans, Sebring and Daytona. #porsche holds a record in all three races, with 18 wins at the American endurance classics and 19 overall victories at Le Mans. Hopes are high for victory number 20 on the occasion of the 100th anniversary of the French 24-hour race in June 2023. The new #porsche963 is ready to tackle this season’s great classics.
Chassis: LMP2 basis from Multimatic with the iconic #porsche brand identity
The regulations stipulate that all new vehicles for the LMDh category must be based on an LMP2 chassis. Four potential partners are available for such a project: Multimatic, Oreca, Dallara and Ligier. After an in-depth evaluation, #porsche made the early call to work with Multimatic. As the largest of the four LMP2 manufacturers, the automobile technology company based in Toronto (Canada) also contributes #components for the #porsche 911 RSR, the #porsche 911 GT3 R and #porsche 911 GT3 Cup. In addition to the existing business relationship, the enormous production capacities also spoke in favour of Multimatic – a critical factor given that the #porsche963 will also be raced by customers on both sides of the Atlantic in its first year of competition.
The new #racing prototype is easily recognisable as a real #porsche. Its design combines modern elements with historic roots. The front section is reminiscent of the soft shapes of the legendary 956 and 962, while the continuous illuminated strip is a salute to the characteristic hallmark of the current 992-generation nine-eleven model series. “The regulations give us a performance window,” explains Christian Eifrig, technical project manager of the #porsche963. “In terms of downforce and lap times, the vehicle must remain within a defined performance range as prescribed by the regulations. This is the only way for the sport’s governing bodies to equalise the cars of different manufacturers using Balance of Performance,” Eifrig continues. The so-called BoP, a classification rating for different vehicles in the new top classes, ensures a level playing field and thrilling #racing.
Factors such as minimum weight, maximum revs per minute or energy per stint make the vehicles equivalent in terms of performance. “It’s quite challenging to reach this performance window. At the same time, it’s about achieving the typical #porsche look. We had the difficult task of finding the perfect compromise between efficient aerodynamics and an immediately recognisable design language.” For the ACO and FIA governing bodies to accept the so-called brand identity, it must also meet many other criteria. The #porsche963 received immediate approval.
V8 turbo engine: Modern unit based on the #porsche RS Spyder
While the regulations specify that the hybrid #components and the gearbox must be cost-efficient standardised #components, it allows great leeway in choosing the combustion engine. In principle, the following applies: Power output is capped at 520 kW (707 PS) with the minimum weight set at 180 kilograms including the periphery. In late 2020, Stefan Moser, as the head engineer responsible for the #porsche963 powertrain, and his 18-strong team opted for the 4.6-litre engine from the #porsche 918 Spyder.
This hybrid-powered super sportscar debuted in early September 2013. Shortly before its premiere, it became the first production sports car to turn a sub-seven-minute lap of the Nürburgring-Nordschleife. Its powerful V8 offers excellent durability, enormous stiffness and dry sump lubrication. “The engine features a flat crankshaft and has a very short stroke,” explains Moser. “This allowed us to mount it very low, which gives us a low centre of gravity and optimum linkage points for the suspension and gearbox. Although the engine was not a supporting element in the 918, its basic rigidity was relatively high – and this also suits us very well.”
Further information in the press release to download
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