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992 Porsche GT3 Testing at the Nürburgring with crazy rear spoiler (2021) - Spy Shots

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Porsche has designed a new customer racer for GT3 series worldwide for 2019 based on the 911 GT3 RS production sports car: the Porsche 911 GT3 R. During the development of the up to 404 kW (550 hp) racing nine-eleven, special attention was paid to particularly efficient aerodynamics, further optimised safety as well as lowering the cost of servicing and spare parts.

The lightweight body design of the Porsche 911 GT3 RS production sports car featuring intelligent aluminium-steel composite construction has proven to be the ideal basis for the near-production race car. The roof, front hood and fairing, wheel arches, doors, side and tail sections as well as the rear lid and interior trim are made of particularly light carbon-fibre composite material (CFRP). All windows consist of polycarbonate.

Powering the new Porsche 911 GT3 R is a cutting-edge four-litre flat-six unit which is largely identical to the high-performance production engine of the road-legal 911 GT3 RS. Direct fuel injection, which operates at pressures up to 200 bar, as well as variable valve timing adjustments of the intake and exhaust camshafts ensure a particularly efficient use of fuel. Moreover, compared to its predecessor, the normally-aspirated engine offers significantly better driveability and a broader usable rev range. The engine response is more precise due to six throttle butterflies. Power from the rear engine is transferred to the 310-mm-wide rear wheels via a Porsche sequential six-speed constant-mesh gearbox with an electronic shift actuator for particularly fast and precise gear changes. As in the GT road-going models, the driver changes gears via shift paddles conveniently positioned on the steering wheel. The clutch is electro-hydraulically controlled, which eliminates the need for the clutch pedal and assists quick race starts. Typical of the 911, the weight distribution ensures excellent traction and braking performances.
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