Sunday, August 21, 2011

The Porsche Carrera GT


The Porsche Carrera GT is a mid-engined sports car. The development of the Carrera GT can be traced back to its predecessors, the 911 GT1 and LMP1-98 racing cars. Due in part to the FIA and ACO rule changes in 1998, both designs had ended. Porsche at the time had planned on a new Le Mans prototype for 1999. The car was initially intended to use a turbocharged flat-6, but was later redesigned to use a new V10 engine. The 5.5 L V10 from the prototype in a concept car shown at the 2000 Geneva Motor Show, in an attempt to draw attention to their display. Surprising interest in the vehicle and an influx of revenue provided from the Cayenne helped Porsche decide to produce the car, and development started on a road-legal version that would be produced in small numbers at Porsche's new manufacturing facility. Porsche started a production run of Carrera GTs in 2004, shipping the units with an MSRP of $440,000 The first Carrera GT went on sale in the US on January 31, 2004.
Originally a production run of 1,500 cars was planned. But Porsche announced in August, 2005 that it would not continue production of the Carrera GT through 2006, citing discontinuation was due to changing airbag regulations in the US. The Carrera GT is powered by a 5.7 V10 producing 612 hp 435 lb-ft of Torque. 0 to 60 mph in 3.6 seconds 0 to 100 mph 7.3 Top Speed 205 mph and runs the 1/4 mile in 11.1 seconds @ 133.4 mph.




Engine Drivetrain layout: Mid-engine RWD
Engine Type: 68° V-10, alum block/heads
Valve Gear: DOHC, 4 valves/cyl, variable
Bore x stroke: 3.86 in (98.04 mm) x 2.99 in (75.95 mm)
Displacement, ci/cc: 349.8/5733
Compression ratio: 12.0:1
Max SAE net horsepower: 612 hp @ 8000 rpm
Max SAE net torque,: 435 lb·ft @5 750 rpm
Specific output, hp/liter: 105.5
Weight to power, lb/hp: 5.4
Transmission: 6-speed manual
Redline: 8400 rpm
Performance
0-60 mph : 3.6 seconds
0-100 mph : 7.3 seconds
1/4 mile : 11.1 seconds @ 133.4 mph
Top speed: 205 mph
Braking 100 mph
Braking 60 mph to 0: 101 feet


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