Monday, January 7, 2013

Nissan GT-R

The Nissan GT-R is a sports car produced by Nissan released in Japan on December 6, 2007, Canada and the United States on July 7, 2008, and the rest of the world in March 2009
etween 1969 and 1974, and again between 1989 and 2002, Nissan produced a high performance version of its Skyline range called the Nissan Skyline GT-R. This car proved to be iconic for Nissanand achieved much fame and success on road and track. The Nissan GT-R, although no longer carrying the "Skyline" badge, has heritage in the Nissan Skyline GT-R. Like the Skyline GT-Rs R32 through R34, the Nissan GT-R is four-wheel drive with a twin-turbo 6 cylinder engine; however, the evolutionary, incremental changes between Skyline models R32 through R34 have been done away with. The four-wheel-steering HICAS system has been removed, and the former straight-6 RB26DETT engine has been replaced with a new V6 VR38DETT.Because of the GT-R's heritage, the chassis code for the all-new version has been called CBA-R35, or 'R35' for short (where CBA is the prefix for emission standard), carrying on the naming trend from previous Skyline GT-R generations. The GT-R has also retained its Skyline predecessor's nickname Godzilla
The production version of the GT-R debuted at the 2007 Tokyo Motor Show, launching in the Japanese market on December 6, 2007. The U.S. official launch was 7 months later on July 7, 2008. Universal Nissan in Los Angeles provided a customer with the delivery of a new GT-R, fresh from the production line at 12:01 am, on July 7, 2008. The Canadian launch was also in July 2008. Europe became the third consumer market, where it launched in March 2009. The large disparity in initial marketing between these regional releases is due to Nissan having to build GT-R performance centers where the car is serviced. Also the engine and rear-mounted dual-clutch gearbox are assembled by hand, thus limiting global production capacity to around 1000 cars a month.

Nissan claims the GT-R can reach a top speed of 193 mph (311 km/h), Motor Trend recorded a top speed of 195.0 mph (313.8 km/h). In tests the original production model was been shown to be capable of achieving 0-60 mph (97 km/h) times as low as 3.2 seconds using "launch control." Owners expressed concern that duplicating the times achieved in these tests would void their factory warranty. Nissan's chief vehicle engineer Kazutoshi Mizuno has indicated that he has never used the term "launch control", which refers to the act of turning off vehicle dynamic control (VDC) and launching the car at around 4500 rpm. However, Nissan's director of product planning John Wiener stated in an interview with Jay Leno that "we (Nissan) actually offer a 'launch mode'".[34] The GT-R user's manual states that turning off the VDC is only meant for escaping low-traction situations such as mud or snow. Nissan has re-programmed the 2010 model year GT-R to reduce the engine speed at launch to around 3,000 to 3,500 rpm with VDC enabled, which is meant to improve acceleration times. The new programming was also installed on old 2009 vehicles still in Nissan's inventory, and is available for existing 2009 vehicles.The new updated GT-R however now has a launch mode, which Nissan calls "R-Mode Start", and is activated by setting the Transmission and VDC to "R" mode (the Suspension settings can be left in normal mode), holding the brakes, then the throttle, and finally releasing the brakes. The engine speed is now held at 4,000 rpm in this mode, and it no longer voids the warranty. However, the system allows a maximum of 4 consecutive hard launches before locking itself out, after which it can be unlocked by driving normally for 1.5 miles. The increased engine output of later models combined with the "R-Mode Start" has lowered the 0-60 mph (97 km/h) time to 2.9 seconds.[36] Without any form of launch control 0-60 mph (97 km/h) times of 3.8 seconds were achieved


No comments:

Post a Comment