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Utilising the chassis of the GT3 and the body shell of the Carrera 4 Cabriolet, the Speedster sports a 4.0-litre naturally aspirated flat-six engine with a maximum power output of 500 PS (368 kW; 493 hp) and a red-line of 9,000 rpm coupled with a 6-speed manual transmission, which is claimed to be 4 kg (9 lb) lighter than the 7-speed manual ...
Thus, the name conflict with the racing car for the GT3 class could be avoided for the GTE model. Renaming it to GT2 RSR made little sense from a marketing point of view, as a turbo engine is installed in the GT2 series, while the 991 RSR continued to use the well-known 4.0-liter naturally aspirated engine.
Many GTS' were ordered with the Alcantara delete, instead being built with leather. The GTS was very rare in that it was a rear wheel drive Wide-Body design (44 mm wider than a standard 911), 20 mm lower and offered 408 HP (versus 385 HP for the S) like the similar, limited volume Sport Classic and the Speedster.
The 911 GT3 RS 4.0, launched in 2011, was the final evolution of the 997 GT3 and featured a 4.0 litre flat-six engine (the largest engine offered in a street-legal 911). [23] The engine itself uses the crankshaft from the RSR with increased stroke dimensions (from 76.4 mm to 80.4 mm).
The Porsche 911 RSR-19 was revealed to have been in development since 2017. [5] In September 2018, spy shots of the new car were seen, published in the German Auto Motor und Sport automobile magazine, taken at the test track of the Porsche Development Center in Weissach, [6] with initial rumors saying that the car would be turbocharged. [7]
The Porsche GT2 comes from a long line of 911 Porsche Turbo racing cars in international motorsports. Starting with the 1974 911 Carrera turbo for Group 5 racing, followed by the 934 (a racing version of the 930) for Group 4 racing, then the famous Porsche 935 which dominated Group 5 and IMSA racing through 1984.
The new swept volume of 3,164 cc was achieved using the 95 mm (3.7 in) bore (from the previous SC model) combined with the 1978 Turbo 3.3 crankshaft's 74.4 mm (2.9 in) stroke. In addition, higher domed pistons increased the compression ratio from 9.8 to 10.3:1 (although only 9.5:1 for the US market).
With PDK and the optional sport-chrono package, which includes the availability of an electronically controlled launch control and an overboost-function for temporarily increasing the turbo-pressure, Porsche claimed the 911 turbo would accelerate from 0–100 km/h (0–62 mph) in 3.4 seconds and attain a top-speed of 312 km/h (194 mph). The ...
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