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2007 Porsche 911 GT3 RSR Pictures, Specifications, Information

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specifications information


General Information
Vehicle Type: 2-door coupe, race car
Price: $---,---
Miles Per Gallon: --/-- mpg
Drivetrain
Configuration Front Engine/RWD
Engine: Flat-6
Displacement: 3795 cc
Horsepower: 485 bhp @ 8500 rpm
Torque: 320 lb-ft @ 7250 rpm
Max RPM: 9000 rpm
Transmission: 6-Speed Sequential
Dimensions
Weight: 2465 lbs
Height: --.- in
Length: ---.- in
Width: --.- in
Wheelbase: --.- in
Track: f: --.- / r: --.- in
Performance
0-60 mph: -.- sec
0-100 mph: --.- sec
Quarter Mile: --.- sec @ --- mph
Top Speed: --- mph
Lateral Acceleration: .--g
Braking, 60-0 mph: --- ft
Slalom Speed: --.- mph
Nürburgring Lap Time: --.- minutes
Based on the 911 GT3 RS, a particularly light and sporty derivative of the 911 GT3, the current GT3 RSR is designed to comply with the A.C.O (Automobile Club de l’Ouest), the FIA-GT and IMSA (International Motorsports Association) as well as VLN (Veedol Langstrecke Nürburgring) regulations. Porsche decided to build the new GT3 RSR after analyzing the relevant A.C.O. and FIA regulations in a specification which allows a minimum weight of 1,225 kilograms - 2465 lbs. (predecessor: 1,125 kgs) and permits the tire width to be increased by two inches to now 14 inches. Thirty-five kilograms of the required additional weight may be placed as ballast in the vehicle, resulting in a lower centre of gravity.

For the normally-aspirated Porsche engine, this specification allows a capacity of 3.8-litres with two 30.3 millimetre air restrictors (predecessor: 3.6-litres, 29 mm diameter). The increase in displacement was achieved through the enlargement of the bore to 102.7 millimetres with the unchanged stroke of 76.4 mm. With the mandatory air restrictors, the unit delivers 359 kW/485 hp at 8,500 revs per minute. Maximum torque increased to 435 Nm (320 ft. lbs.). Top engine speed is reached at 9,000 rpm. Thanks to the increase in capacity and the corresponding reprogramming of the electronics, the top performance as well as the response and driveability have further improved. The new positioning of the mid-front radiator and the use of side radiators - taken from the high performance Carrera GT sports car – contribute to the thermal health of the engine. Customer vehicles for 2007 will be delivered with a new sequential six-speed transmission featuring the gears of the RS Spyder which competes in the American Le Mans Series.

The body shell of the GT3 RSR with the welded-in safety cage is ten percent stiffer than its predecessor. Distinctive wheel arches widen the body by 50 millimetres on each side. The track is enlarged correspondingly; wheels and tyres of the maximum allowable dimension can be fitted.

The relocation of the supplementary oil tank (option), the power steering and the battery to the front improve the weight distribution. The front and rear lids, the front mudguards, the wider rear, the doors as well as the front and rear panelling and wing consist of carbon-fibre composite material. The rear and side windows are manufactured from light polycarbonate.

The newly-developed aerodynamic package improves the aerodynamic efficiency compared to the forerunner (type 996 GT3 RSR) by a total of around seven percent. Airflow to and from the radiators, the brakes and the engine were further optimized. In compliance with the FIA and A.C.O. regulations the new GT3 RSR features a flat underbody.

The suspension with Porsche-optimized struts at the front and the Porsche multi-link axle at the rear corresponds to the configuration of the standard car. The modified kinematics is set-up for the wider tyre footprint and for the lowest possible camber change in rebound and compression. The new ZF-Sachs shock absorbers feature the Through-Rod-System with considerably lower chamber pressure and hence less friction than conventional dampers. As a result they offer a significantly improved response characteristic. The position of the rear axle was optimised. The axle features a new anti-rollbar, an adjustable upper link and an optimized lower link.

The brake system features six-piston aluminium callipers and 35 millimetre thick brake discs measuring 380 mm in diameter at the front and 30 millimetre four-piston aluminium callipers with 355 mm diameter discs at the rear.

photos
Image Credits: Porsche
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