Porsche 997.1 Cup S / Grand Am Cup Technical Information
Overview
- Chassis Number: From WPO ZZZ 99 Z9S 7 98001
- Model Type: 997.830
- Engine Type: M 97.75
- Gearbox Type: G 96.97
- Number of Gears: 6
- Chassis: Weight Optimised Road Going 911 GT3 RS Shell
- Dry Weight: 1160 kg
- Wheels: Three piece BBS-racing wheel front 10.5J x 18″ rear 12.5J x18″
Suspension & Steering
- Front suspension Independent McPherson strut with double clamped upright
- Rear suspension Independent multi-link rear suspension with spherical bearings
- All suspension links are mounted with spherical bearings.
- Steering Rack-and-pinion steering with electro-hydraulic assistance
Wheels & Tyres
- Wheels Three piece BBS-racing wheel
- Front 10.5J x 18″ offset 25 mm.
- Rear 12.5J x18″ offset 50 mm.
- Tyres Front (Delivery specification) Michelin 27 / 65-18 (rain)
- Rear (Delivery specification) Michelin 31 / 71-18 (rain).
- Centre lock Front and rear axles
Brakes
- Twin-circuit hydraulic brakes system with two separate main cylinders. The front to rear brake balance can be changed by adjusting the brake balance adjuster bar
- Front brake disc One piece steel – Diameter = 380 mm, Brake disc thickness 32mm, 6 piston – aluminum brake caliper.
- Rear brake disc One piece steel – Diameter = 355 mm, Brake disc thickness 32 mm, 4 piston – aluminum brake caliper.
- Brake pad thickness Front / Rear – 22 / 26.5 mm
- Brake pad Front axle – Pagid RS 19 Yellow; Rear axle – Pagid RS 19 Yellow (delivery specification)
Chassis
- Weight optimised road going 911 GT3 RS shell
- Carbon boot lid with integrated RAM – Box and engine air filter
- Adjustable carbon rear wing
- Carbon doors & rear end
- Polycarbonate side door windows, rear and front screens
Interior
- Trim without noise insulation, integral roll cage
- 100 litre FT 3 Fuel Tank
- OMP Racing bucket seat (drivers side only)
- Schroth 2“/3“six-point harness without ASM seam for HANS Safety System
- HANS System All cars from the 2004 model onwards are optimised for the HANS safety system
- Fire extinguisher system, compliant with FIA standard (AFFF, capacity 4 L).
- Interior The interior will be sprayed in the corresponding primer, without clear lacquer.
Dimensions & Weight
- Length 4462 mm
- Width 1812 mm over front axle – 1860 mm over rear axle
- Wheelbase 2363 mm
- Front track width 1515-1600 mm
- Rear track width 1500-1560 mm
- Dry Weight ca. 1160 kg
Fluid Capacities
- Fuel system 98.5 L.
- Gearbox 3.6 L when gearbox completely dry. After gearbox oil change, approximately 0.6 litres remain in gearbox.
- Engine ca.12 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)
- Coolant 11 Litres Porsche coolant + approximately 11 litres water (delivery specification). Part # 999 917 781 00
- Recommendation: 4 litres Porsche coolant + approximately 18 litres water.
- Gearbox oil ‘Mobilube’ SHC
- Steering servo oil ‘Pentosin’
- Fuel 98 RON Super Plus unleaded
- Brake fluid Endless RF – 650 Racing Super Fluid, part number. 996.355.960.9
- Air jack A pressure of 38-40 bars is necessary to operate the air jacks.
