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Porsche 911 GT3 RS getting all-new atmospheric engine

Porsche surprised many of its most puritanical enthusiasts when it took a decidedly more usable approach with the current 911 GT3. But when the new GT3 RS debuts, it promises to be a much more extreme departure. And a big part of that comes down to the engine. At the Detroit Auto Show this week, Auto Express spoke with Porsche R&D chief Wolfgang Hatz – who also happens to be head of engine and transmission development for the entire Volkswagen group. Hatz revealed that Porsche has developed a completely new engine for the GT3 RS, and while previous rumors suggested the RS would go turbo to fill in for the lack of a GT2 (and make the most out of its displacement), Hatz confirmed that it will be naturally aspirated. Considering that Porsche rarely goes downwards when it comes to 911 engine displacement, only upwards, we'd expect the new RS to pick up where the previous 4.0 left off. The new GT3 RS is also expected to pack a more extreme suspension, aero and stripped-out interior, but those hoping for an old-school approach may be disappointed to learn that the new RS will (at least at launch) only be available with the seven-speed dual-clutch transmission – though a manual version could follow if there's enough demand. In a related development, Hatz also hinted that the Cayman GT4 could debut at the Geneva Motor Show in March, with an even more extreme approach than the previous Cayman R. The new top-of-the-line Cayman is reportedly being developed to comply with GT4 class racing regulations but be fully homologated for road use. Related Video:

Force India F1 driver Nico Hulkenberg will drive a Porsche at Le Mans

Sahara Force India Formula One driver Nico Hulkenberg is officially part of the Porsche factory team for next year's 24 Hours of Le Mans; the last time a current F1 driver got permission from his team to compete in the world's biggest endurance race was in 2009 when Toro Rosso let Sebastien Bourdais pilot for Peugeot. That will make it an even busier May and June for Hulkenberg, who will get to know the 919 Hybrid in race trim by driving the 6 Hours of Spa on May 2. He'll follow that with two F1 races in May, then do the Le Mans practice day on May 31, race for Force India at the Canadian Grand Prix on June 7, be in action for Porsche at Le Mans the next weekend, then back in a Force India the following weekend in Austria. Hulkenberg is the first driver to be named for Porsche's third LMP1 in next year's race, and we already know that former F1 colleague Mark Webber will be in one of the other cars. The other two drivers joining the German haven't been named yet, but speculation is that Porsche GT drivers in the manufacturer team are on the shortlist. Numerous observers also think it could be a suitable job for a certain Englishman who might have competed in his last race for McLaren...

Porsche 911 GT3 wows the crowds in Geneva

Porsche has a long and storied history of taking its range-topping 911 sportscar racing, with an enviable record of achievements in tow. The latest machine with which the automaker will take to the track can be seen above: the fifth-generation 2014 911 GT3.
With 475 horsepower strumming through the 3.8-liter six-cylinder boxer engine, this is the pinnacle of naturally aspirated performance from Porsche. It can go from 0 to 60 in just 3.3 seconds, hit a top speed of 195 miles per hour and has lapped the Nürburgring Nordschleife in less than seven and a half minutes.
A dual-clutch PDK transmission (no standard manual gearbox will be offered) with shorter gearing than lesser 911 models sends power to the rear wheels. Providing forward motion isn't the only thing those rear wheels will be doing - Porsche says the 2014 911 GT3 is fitted with the manufacturer's first active rear-wheel steering.