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2003 GT3 RS Specfications:

Concept

Porsche 911 GT3 RS single-seated, near-standard race vehicle 2003 Vehicle Description accordance with ACO-Regulations or the 2001 FIA-Regulations basis: 911 GT3

Electrics

Bosch MS 3.1 engine management Motec display with integrated data recording battery: 12 Volt, 50 Ah additional ventilation for driver (fan) 120 Ah generator 2003 GT3 RS

Vehicle Weight

1,100 kg or 2,425 lbs
Engine

flat six-cylinder boxer engine water-cooled 3.598 cc, stroke 76.4 mm, bore 99.99 mm dia. max. torque: 395 Nm at 7,200 rpm max. power: 320 kW (435 BHP) at 8,250 rpm with 2 x 30.8 mm dia. restrictors in FIA version (power ratings in ACO version: at request) max. rpm: 8.500 rpm four-valve technology oil-cooler (oil-water heat exchanger) dry-sump lubrication under pressure oil and cooling water refilling system intake manifold with single throttle valve, with 2 x 30.8 mm dia. restrictor electronic engine management system MS 3.1 Bosch MS 3.1 fuel injection with ignition control required fuel quality: 98 octane ROZ, unleaded race exhaust: multiple pipe manifold, open exhaust, no catalytic converter (rear exhaust muffler retrofit)

Power Train

six-speed manual transmission gear ratios (as delivered): ring & pinion gear 7/35 1st gear 13/41 2nd gear 20/40 3rd gear 25/39 4th gear 29/36 5th gear 32/33 6th gear 35/30 oil-water heat exchanger single-mass flywheel with douple-disc race clutch limited slip differential 40/60 per cent rear-wheel drive. Upgraded to 6 speed sequential gearbox in June 2006.

Bodywork

weight optimized and widened 911 chassis with fiberglass rear fender flares (front end, front lid, front fenders, doors, rear lid, rear window anddade and rear end made out of carbon/cevlar fibre) welded-in roll cage three-point air jack system aerodynamically optimized front and rear part aerodynamically optimized side sills adjustable rear wing racing bucket seat (driver side only) with fire retardant upholstery six-point seat belt removable steering wheel (quick-connect coupling) fire extinguishing system 100 litre FT3 safety fuel tank with quick refuelling system

Suspension

McPherson front axle with ball joints and corresponding changes of kinematics (according to ACO or FIA-Regulations) front roll bar, adjustable lever arm system power steering multilink rear suspension with ball joints and corresponding changes of kinematics (according to ACO or FIA-Regulations) rear roll bar, adjustable lever arm system double coil springs in front and rear adjustable in four different positions front and rear struts with adjustable Sachs shock absorbers suspension continuously variable adjustable (heights, camber, track)

Rims/Tires

Front axle: three-piece BBS light alloy rims (10J x 18 ET 1,5) with central, self-locking wheel nuts Michelin rain tyres 24/64-18 Rear axle: three-piece BBS light alloy rims (11J x 18 ET 16) with central, self-locking wheel nuts Michelin rain tyres 27/68-18

Brake System

without ABS, brake force balance adjustable by brake balance bar four-piston fixed brake caliper in the front, internally vented discs, brake disc diameter: 380 mm, race brake pads four-piston fixed brake caliper in the rear, internally vented discs, brake disc diameter: 355 mm, race brake pads




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