Porsche Cayman GT4 RS and Clubsport get engine from 911 GT3 – DRIVE

Shown together with other innovations at the Los Angeles auto show, the GT4 RS is almost as good as the GT3 in terms of power. The front boot lid with air ducts for cooling the tomoz and the front fenders are made of carbon fiber reinforced plastic.

The first in the 718 family, the RS version, the Porsche 718 Cayman GT4 RS, has confirmed our prediction by debuting with the Cayman GT4 RS Clubsport racing variant. As we expected, the cars received an atmospheric “six” 4.0 from the Porsche 911 GT3 and the Cup GT3 Cup, derated from 510 hp. up to 500. Thus, the top model is 80 forces more powerful than the Cayman GT4 with PDK and 35 kg lighter. That is, for the first time for the GT4, the weight is declared lower than that of the GT3 – 1415 kg versus 1435 kg.

The lugs for the upper side air ducts that affect sound and response, titanium tailpipes, and the Porsche logo at the top of the lightweight rear window are all signs of the Weissach package (at least 12 thousand euros), which, among other things, exposes the carbon fiber fins. It can be either with a half-frame or without.

Compared to the GT4, the torque has increased by only 20 N • m to 450 (for the GT3 – 470 N • m). Nevertheless, the new engine required a radical revision of the intake system – additional air intakes took the place of the rear side windows. A similar solution has already been applied on the racing Caymans, but the plant uses it for the first time. For a road car, the proximity of the intake tract to the riders also makes the sound richer. Pay for pleasure – deterioration of the already unimportant visibility of the rear hemisphere.

The video, in which GT Chief Andreas Pröninger talks about the car, shows the new engine compartment cover with easy access to the waxed cloth racing air filter and carbon ducts leading to it.

The Cayman GT4 RS is equipped exclusively with a seven-speed locking PDK “robot” and a new shortened row, thanks to which gains 100 km / h in 3.4 seconds, half a second faster than the GT4. The maximum speed has increased by 13 km / h to 315. The adjustable suspension, assembled on hinges, is equipped with new springs, shock absorbers and stabilizers. In the Weissach package, stubs are made of carbon fiber. The original geometry is also designed to work with the optional semi-slick Michelin Pilot Sport Cup 2 R.

The inverted wing on aluminum feet is more efficient than the standard wing and provides a wider range of adjustment. The front brakes have been improved: six-piston fixed calipers wrap around 408 mm discs versus 380 mm for the GT4.

A huge part of the work done is hidden from view. For layout reasons, the individual throttle bodies – the highlight of the third generation engine – are rotated 90º. It is impossible to use the exhaust system from the GT3 with low resistance, just as it is impossible to leave the standard one from the GT4 – a new unit is required. The volume of aerodynamic improvements and weight reduction measures is impressive. For example, if in the usual Clubsport package the optional bolted semi-frame is assembled from steel pipes, then titanium pipes are used for the Weisach package.

Lightweight door panels and even floor mats. The PDK selector is borrowed from the GT3, but used with a case from the GT4 “mechanics”. Please note that in the official photo, the screen of the multimedia system is retouched as if it were not there. But in the North American market, you cannot order a Cayman without a rear-view camera, and therefore, without an infocomplex.

Here is a picture from the European configurator, which shows the most lightweight equipment like the one used for the Nordschleife races. Instead of basic CFRP buckets (usually they ask for 5,300 euros), you can order electrically adjustable chairs for free.

The adjustable splitter, underbody aerodynamic panels, air intakes and diffuser have been optimized. In its worst ring mode, the GT4 RS generates 25% more downforce than the GT4. Not surprisingly, at the Nurburgring, the newcomer brought the 420-horsepower version as much as 23.6 s, showing a time of 7: 04.511 at a distance of 20.6 km. We haven’t seen what’s left of the front rack yet, as there are additional air ducts in the front to cool the larger brakes. Carbon-ceramic is of course available as an option.

The wheels are still 20-inch, but the GT4 RS has original sets of forged wheels. In the base, they are aluminum, and in the premiere photos, the Cayman flaunts a magnesium one for 15 thousand euros, requiring a Weisach package. In total, they reduce unsprung masses by 10 kg. Blue is an option.

The head of the GT-direction of Porsche, Andreas Pröninger, in one of the interviews announced the estimated production cycle of the “Ereski” in the range from two to two and a half years. The first time we hear that at least the top model of the 718 family will last until 2023, or even until 2024. The issue is not limited. Prices for the Cayman GT4 RS in the home market start at 141,338 euros (11.6 million rubles), which makes the novelty 39% more expensive than the GT4 version (from 101,235 euros). Taking into account the amount of rework, we thought that the difference would be more impressive. It is all the more offensive that the GT4 RS will not be delivered to Russia.

According to preliminary data, the problem lies in the discrepancy between the track car and some of the noise requirements, which closed the way to our market for the Porsche 911 R. At the same time, the creators of the new fancar nurtured the unprecedented closeness of the loudly aspirated atmosphere to the driver. Rumor has it that we will not see the upcoming GT3 RS for the same reason. In Europe, orders for the GT4 RS are already being accepted, the start of deliveries is scheduled for December … Now about the Clubsport, without which we would not have “ereski” and vice versa.

Reconfigured shock absorbers with separate adjustment of compression and rebound damping, used bayonet-type adjustable anti-roll bars front and rear.

It differs from the 2019 version of the Cayman GT4 RS Clubsport not only with the new 500-horsepower 4.0 engine (here it produces 465 N • m), which is 75 hp. more powerful and 40 N • m more torque than the previous unit 3.8. Unification with the road “Eres” made it possible to invest in the creation of a new transmission line of the transmission. As a result, the PDK “robot” on the race car is no longer limited to six gears, but can use all seven.

Peak traction is shifted to six thousand rpm, 600 rpm lower than before. At the same time, the maximum power develops 800 rpm later, at 8300. The cutoff has moved to nine thousand, as in the road version. The extended operating range of the motor should raise the dynamics of the machine on the ring.

The inverted wing has a 20mm Gurney flap on the trailing edge. Redesigned aerodynamic components, from the front bumper parts to the front fenders and diffuser. Two exhaust systems have been prepared for routes with different noise level requirements.

The new version has an expanded range of parts made from ecological biocomposite based on flax. Now the doors, wing, front cover, fenders, aerodynamic body kit for the front bumper and a new steering wheel are made from it. A new foam has been applied to the energy absorbing elements in the driver’s door.

Finally, a video where the main character remains the road RS, and the Clubsport appears in the episode.

The company claims that the new Clubsport is 2% better than the past on the circuit. At the same time, the homologated device is produced completely ready for launch. It can be used in SRO racing series without any additional modifications. It costs 196,000 euros (16.1 million rubles) excluding taxes and is intended to consolidate the success of its predecessor, who has found about 500 buyers since 2019.


Source: DRIVE.RU by www.drive.ru.

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