Porsche Specifications

2007 Porsche 911 GT3 RSR (Type 997)

VIN: WPO ZZZ 99Z7 S799913

Porsche published specifications for original racecar
2007 Porsche 911 GT3 RSR (type 997)

Concept: single-seated GT race vehicle

Basis: Model Year 2007 Porsche 911 GT3 RS (997; street legal version), homologated from January 2007 onwards

Engine:

• flat six-cylinder boxer engine, water-cooled
• 3,795 cc, stroke 76.4 mm, bore 102.7 mm
• max. torque: 435 Nm at 7,250 rpm
• max. power: 358 kW (485 bhp) at 8,400 rpm with 2 x 30.3 mm restrictors
• max. rpm: 9,000 rpm
• four-valve cylinder heads
• oil-water heat exchanger
• dry-sump lubrication system with engine mounted dry-sump tank made from carbon fiber
• oil and cooling water refilling system
• intake manifold made of carbon fiber with dual air restrictors and single throttle per cylinder, dual restrictor
• electronic engine management system BOSCH MS 4.0
• required fuel quality: 98 octane ROZ, unleaded
• race exhaust: multiple pipe manifold, open exhaust, no catalytic converter

Power Train:

• six-speed sequential dog type manual transmission, strait cut gears
• "in-line" shift mechanism, sensor controlled traction interruption
• oil-water heat exchanger
• single-mass flywheel with triple-disc race clutch
• limited slip differential 40/60%
• rear-wheel drive

Bodywork:

• weight optimized and widened 911 GT3 RS chassis (add-on parts made from carbon/kevlar fiber)
• welded-in roll cage
• racing seat with fire retardant upholstery, weight optimized
• six-point seat belt, prepared for using HANS Safety System
• three-point air jack system
• aerodynamically optimized front and rear part
• flat underfloor made from carbon fiber
• adjustable rear wing
• removable steering wheel (quick-connect coupling)
• fire extinguishing system
• 100 litre FT3 safety fuel tank with quick refuelling system

Suspension:

• McPherson front axle with uniball joints and corresponding changes of kinematics
• adjustable front roll bar, blade type
• power steering
• multilink rear suspension with uniball joints and corresponding changes of kinematics
• adjustable rear roll bar, blade type
• double coil springs in front and rear adjustable in four different positions
• front and rear struts with adjustable Sachs shock absorbers
• suspension continuously adjustable (heights, camber, track)

Brake System:

• dual master cylinders, brake force balance adjustable by bias bar system
• six-piston fixed brake callipers in the front
• weight-optimized internally vented brake discs; 380 mm diameter
• four-piston fixed brake callipers in the rear
• weight-optimized internally vented brake discs; 355 mm diameter

Rims/Tires:

• front axle: three-piece BBS light aluminium rims 11J x 18 (offset to be determined) with central locking wheel nuts (system from Carrera GT); tires to be determined (standard: rain tires 27/65-18)
• rear axle:three-piece BBS light aluminium rims 13J x 18 (offset to be determined) with central locking wheel nuts (system from Carrera GT); tires to be determined (standard: rain tires 31/71-18)

Electrics:

• Bosch MS 4.0 engine management
• Motec display with integrated data recording
• battery: 12 Volt, 50 Ah
• additional ventilation for driver (fan)
• 110 Ah generator
• wiring harness prepared to accept A.C.O. stack data logging system

Vehicle Weight:

• 1,225 kilograms (lighter version upon request)