Porsche 997.2 GT3 Cup Technical Information

Overview

  • Chassis Number: From WPO ZZZ 99 ZAS798001
  • Model Type: 997.830
  • Engine Type: M 97.78
  • Gearbox Type: G 97.63
  • Number of Gears: Sequential 6
  • Chassis: Weight Optimised Road Going 911 GT3 RS Shell
  • Dry Weight: 1200 kg
  • Wheels: Three piece BBS-racing wheel 9.5J x 18″ Front 12J x18″ Rear

Suspension & Steering

  • Front suspension Independent McPherson strut with double clamped upright
  • Rear suspension Independent multi-link LSA rear suspension
  • 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 9.5J x 18″ offset 37 mm.
  • Rear 12J x18″ offset 30 mm.
  • Tyres Front (Delivery specification) Michelin 24 / 64-18 (rain)
  • Rear (Delivery specification) Michelin 27 / 68-18 (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 rotating the brake balance knob
  • Front brake disc One piece steel – Diameter = 380 mm, Brake disc thickness 34mm, 6 piston – aluminum brake caliper.
  • Rear brake disc One piece steel – Diameter = 350 mm, Brake disc thickness 28 mm, 4 piston – aluminum brake caliper.
  • Brake pad thickness Front / Rear – 18 mm / 18 mm
  • Brake pad Front axle – Pagid P50; Rear axle – Pagid P50 (delivery specification)

Chassis

  • Weight optimised road going 911 GT3 RS shell
  • Aluminum boot lid with Naca duct for direct driver cooling
  • Larger rear wheel arches (new wheel housings for 690 mm tyres)
  • Carbon doors
  • Polycarbonate side door windows, rear and front screens

Interior

  • Trim without noise insulation, integral roll cage
  • Removable steering wheel, with length & height adjustable steering column
  • 90 litre street car fuel cell
  • Racing bucket seat with fire resistant upholstery fabric (drivers side only)
  • 6 Point safety harness
  • 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).

Dimensions & Weight

  • Length 4423 mm
  • Width 1787 mm over front axle – 1859 mm over rear axle
  • Wheelbase 2353 mm
  • Front track width 1515-1600 mm
  • Rear track width 1500-1560 mm
  • Dry Weight ca. 1200 kg

Fluid Capacities

  • Fuel system 90 L.
  • Gearbox 3.6 L when gearbox completely dry. After gearbox oil change, approximately 0.6 litres remain in gearbox.
  • Engine ca.11 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 (5W-40)
  • Coolant 11 Litres Porsche coolant + approximately 11 litres water (delivery specification). Part # 999 917 781 00
  • Recommendation: 2 litres anti-corrosion additive + approximately 20 litres water.  (Part # 997 106 907 90)
  • 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 35-38 bars is necessary to operate the air jacks.