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2008 Porsche 911 GT3 Cup news, pictures, and information | ||
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New 420 bhp Porsche 911 GT3 Cup
Stuttgart. The new Porsche 911 GT3 Cup is entering the 2008 motorsport season wîth engine output increased to 420 bhp. The car will be raced in the Porsche Mobil1 Supercup, the world's fastest international brand trophy, and worldwide in national Porsche Carrera Cups and GT3 Cup Challenges. 265 units of this production-based racing car developed in Weissach will be built on Porsche's production line in Stuttgart-Zuffenhausen, marking a new record for a car of this category.The most significant modification compared wîth last year's model is the new rear end following the design of the production model. Air venting slits ensure better dissipation of heat at the rear. The 3.6-litre six-cylinder boxer engine developed in Weissach is also based on the street-legal GT3 and develops maximum output of 420 bhp, 20 horsepower more than on the previous model. The sequential six-speed transmission wîth interruption of engine power enables the driver to shift up under full throttle without disengaging the clutch. The transmission itself has been optimised and the gear ratios adjusted to the characteristics of the engine. Weighing 1,150 kg in race trim, the new 911 GT3 Cup has a power-to-weight ratio of 2.7 kg per horsepower.
The 26 units of the 911 GT3 Cup built for the Porsche Mobil1 Supercup feature a special exhaust system wîth an even more striking sound pattern reminiscent of the Formula 1 racing scene as well as PCCB Porsche Ceramic Composite Brakes as exclusive highlights. Compared wîth conventional brake discs, PCCB reduces unsprung masses by 20 kg and sets new standards in terms of responsiveness, resistance to fading, and a long service life. The racing cars entered worldwide in the Carrera Cup feature a modified exhaust system and steel brake discs.
Porsche's Racing Department in Weissach is responsible for the fine-tuning and running in the 911 GT3 Cup cars. Deliveries will be directly from Weissach, depending on the country of destination and the schedules to be observed. While the cars for the Carrera Cup New Zealand have already been shipped, delivery of the racing cars for the Porsche Mobil1 Supercup and the Carrera Cup Germany is scheduled for early March 2008.Specifications
 | Vital Stats |
| Engine : 3.6 L., 6-cylinder Power: 420 hp Torque: 310 ft-lbs | |
6-speed Sequential | |
Water-cooled six-cylinder boxer; 3,598 cc; stroke 76.4 mm (3.01'); bore 99.98 mm (3.94'); max output 420 bhp (309 kW); max torque 420 Nm (310 lb-ft); max engine speed 8,400 rpm; four-valve technology; dry sump lubrication; two-stage resonance intake distributor; central air intake; electronic MS 3.1 engine management; fuel injection (multi-point, sequential); fuel grade 98 RON premium plus unleaded; racing exhaust wîth fully controlled catalytic converter (400 cells); rear silencer wîth centrally mounted double tailpipe; special exhaust tailpipes for the Porsche Mobil1 Supercup.
Power TransmissionSix-speed gearbox wîth sequential jaw-type shift; compressed oil lubrication; oil/water heat exchanger; single-mass flywheel; hydraulic disengagement lever; 5.5-inch three-plate sintered metal clutch; limited-slip differential 40/60 %; rear-wheel drive.
Body
Monocoque body made of hot-galvanised steel; aerodynamically optimised front end wîth front spoiler; doors wîth side frames made of CFP and reinforced plastic door panels; rear lid wîth adjustable rear wing made of CFP; rear body panels made of CFP; air jack; welded-in rollcage; bucket-type racing seat (on driver's side only) wîth flame-resistant seat cover; six-point seat belt adapted for use of the HANS Head and Neck Support; electric fire-extinguishing system; 90-litre fuel tank; safety bar holding the battery in position.
Chassis and Suspension
Front: McPherson spring strut axle; Sachs gas pressure dampers; double coil springs (main and ancillary spring); front axle arms adjustable for camber; adjustable sword-type anti-roll bar; reinforced front axle crossbar wîth six-point fastening and double clamping; power §teering wîth electrohydraulic pressure supply.
Rear: Multi-arm axle wîth rigidly mounted axle subframe; Sachs gas pressure dampers; double coil springs (main and ancillary spring); rear axle track arm adjustable for camber; rear axle tiebar reinforced and infinitely adjustable; adjustable sword-type anti-roll bar.
Complete suspension infinitely adjustable (height, camber, track).
BrakesBrake system wîth balance bar control.
Front: Single-piece six-piston aluminium fixed callipers; Porsche Ceramic Composite Brakes (PCCB), inner-vented, 380 mm (14.96') in diameter; racing brake pads.
Rear: Single-piece four-piston aluminium fixed callipers; Porsche Ceramic Composite Brakes (PCCB), inner-vented, 350 mm (13.78') in diameter; racing brake pads.
Wheels/Tyres
Front: Three-piece BBS light-alloy wheels (9J x 18); ET 43 wîth central locking;
Michelin rain tyres (24/64-18).
Rear: Three-piece BBS light-alloy wheels (11J x 18); ET 30 wîth central locking;
Michelin rain tyres (27/68-18).
Electrical System
Motec display wîth integrated data recording; battery: 12 volt, 50 Ah, 90 Ah alternator.
WeightApprox 1,150 kg (1,130 kg wîth PCCB).Source - Porsche
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