2005 Porsche 996 GT3 Cup Car Technical Information
Overview
- Chassis Number: From WPO ZZZ 99 Z5S
- Model Type: 996.830
- Engine Type: M 96.74
- Gearbox Type: G 96.97 with oil / water heat exchanger.
- Number of Gears: 6
- Chassis: Basis 911 GT3 with weight optimised shell
- Dry Weight: 1150 kg
- Wheels: Three piece BBS-racing wheel front 9J x 18″ rear 11J x18″
Suspension & Steering
- Front suspension Independent McPherson strut with alloy wishbones and spherical bearings, damper with adjustable bump and rebound and five position adjustable anti-roll bar. Diameter = 26.8 mm.
- Rear suspension Independent multi-link rear suspension with ‘LSA System, damper with adjustable bump and rebound and four position adjustable anti-roll bar. Diameter = 20.7 mm.
- All suspension links are mounted with spherical bearings.
- Steering Rack-and-pinion steering with servo assistance.
Wheels & Tyres
- Wheels Three piece BBS-racing wheel
- Front 9J x 18″ offset 46 mm.
- Rear 11J x18″ offset 59 mm.
- Tyres Front (Delivery specification) Michelin 24 / 64-18 (rain).zz
- Rear (Delivery specification) Michelin 27 / 68-18 (rain).
- Centre lock Front and rear axles
Brakes
- Multi-piston, fixed-caliper brakes front and rear with pneumatic brake servo assistance, ventilated cross-drilled brake discs.
- Four channel ABS 5 (The four channel ABS is set-up for the delivery specification Pirelli tyres. If tyres of another size are used please contact Porsche Motorsport).
- ABS impulse disc, front axle 48 teeth
- ABS impulse disc, rear axle 48 teeth
- Front brake disc One piece steel – Diameter = 350 mm, Brake disc thickness 33mm, 6 piston – aluminum brake caliper.
- Rear brake disc One piece steel – Diameter = 330 mm, Brake disc thickness 28 mm, 4 piston – aluminum brake caliper.
- Brake pad thickness Front / rear 18 mm
- Brake pad Front axle Pagid P50, rear axle RS14 green (delivery specification)
- Handbrake not applicable
Chassis
- Basis 911 GT3 with weight optimised shell
- Adjustable carbon fibre composite rear wing with raised wing profile
- Doors with carbon fibre composite window frame
- Special GT3 Cup nose section with upper cooling air exit
- Polycarbonate side windows and rear screen.
Interior
- Trim without noise insulation, integral roll cage
- Production car fuel cell 89 litres.
- Recaro Racing bucket seat (drivers side only)
- 3″ Six point safety harness
- HANS System The vehicles as from 2004 MY have been optimised for the use of the HANS – safety system. The achor points for the belt as the seat have been adapted accordingly.
- Fire extinguisher system, compliant with FIA standard (AFFF, capacity 4 L).
- Identical to 911 GT3 RS
- Panel quick release fittings.
- Interior The interior will be sprayed in the corresponding primer, without clear lacquer.
Dimensions & Weight
- Length 4430 mm
- Width 1765 mm over rear axle – 1731 mm over front axle
- Wheelbase 2357 mm
- Front track width 1515 mm
- Rear track width 1578 mm
- Dry Weight ca. 1150 kg
Fluid Capacities
- Fuel system 89 L.
- To be able to compete in International events the tank must be changed dependant on the local regulations, e.g. for a 100 litre FT3 tank from the GT3 RS.
- Gearbox 3.4 L when gearbox completely dry. After gearbox oil change, approximately 0.6 litres remain in gearbox.
- Engine ca.10 L. (The Oil level check should be carried out with the dipstick, through the filler neck with the engine at operating temperature and running at idle speed).
Lubricants & Fuel
- Engine oil Mobil 1 (0W – 40) or Mobil 1 (5W – 40)
- Coolant 11 Litres Porsche coolant + approximately 11 litres water (delivery specification). Part # 999 917 781 00
- Recommendation: 5 litres Porsche coolant + approximately 17 litres water.
- Gearbox oil ‘Mobilube’ SHC
- Steering servo oil ‘Pentosin’
- Fuel 98 RON Super Plus unleaded
- Brake fluid Delivery specification Teves DOT 4 – Optional: Castrol Racing SRF. Part # 996.355.950.00
- Air jack A pressure of 30 bars is necessary to operate the air jacks.
