2003 – 2004 Porsche 911 GT3 RS Race (996) Technical Specifications
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
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 RON, unleaded
- Race exhaust: multiple pipe manifold, open exhaust, no catalytic converter (rear exhaust muffler retrofit)
Powertrain
- 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
Bodywork
- Weight optimized and widened 911 chassis with fiberglass rear fender flares (front end, front lid, front fenders, doors, rear lid, rear window and dade 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 refueling system
Vehicle Weight
- Approx.. 1,100 kg
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 tires 24/64-18 - Rear axle: three-piece BBS light alloy rims (11J x 18 ET 16) with central, self-locking wheel nuts
Michelin rain tires 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
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
Production Figure
- 20 cars
