Porsche 991.2 GT3R Technical Specs

← Back to Race Car 101

Overview

  • Engine Type: 4.0L Six-Cylinder Boxer Engine
  • Gearbox Type: G91/74
  • Number of Gears: Sequential 6
  • Chassis: Based on the Roadgoing 911 GT3RS
  • Dry Weight: 1220 kg
  • Wheels: 12.5J x 18″ Front 13J x18″ Rear

Suspension & Steering

  • Front suspension Double wishbone; Forged aluminium control arms; Spherical bearings
  • Rear suspension Independent multi-link rear suspension
  • 4 – Way adjustable dampers
  • Steering Power-assisted steering with electro-hydraulic pressure feed

Wheels & Tyres

  • Single Piece BBS Alloy Center Mount Wheels
  • Front 12.5J x 18″
  • Rear 13J x18″
  • Tyres Front 30/68-18 Michelin (Delivery Spec)
  • Rear 31/71-18 Michelin (Delivery Spec)
  • Centre lock Front and rear axles

Brakes

  • Two separate brake circuits for front and rear axles, adjustable by driver via balance bar system
  • Front brake disc One piece steel – Diameter = 390 mm, Brake disc thickness 35 mm, 6 piston – aluminum brake caliper.
  • Rear brake disc One piece steel – Diameter = 370 mm, Brake disc thickness 32 mm, 4 piston – aluminum brake caliper.

Chassis

  • The lightweight body design of the 911 GT3 RS production sports car featuring intelligent aluminium-steel composite construction has proven to be the ideal basis for the near-production race car. The roof, front hood and fairing, wheel arches, doors, side and tail sections as well as the rear lid and interior trim are made of particularly light carbon-fibre composite material (CFRP). All windows consist of polycarbonate.
  • Welded-in roll cage according to FIA regulations
  • Air jack system (4 jacks)

Interior

  • Trim without noise insulation, integral roll cage
  • The interior design Focuses on ergonomics and drivers safety. The center console is tilted towards the driver in order to improve accessibility of the switches and control elements
  • Multifunctional CFRP motorsport steering wheel
  • COSWORTH color display
  • FT3 safety fuel cell with a nominal capacity of 120 litres. The fuel cell complies with current FIA standards and is housed in a protective carbon fibre crash structure
  • Recaro racing seat complying with the latest FIA Standard 8862-2009
  • 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
  • Roof rescue hatch for easier access and extrication in an emergency

Dimensions & Weight

  • Length 4629 mm (not including rear wing)
  • Width Front 1975 mm
  • Width Rear 2002 mm
  • Wheelbase 2459 mm
  • Dry Weight ca. 1220 kg

Fluid Capacities

  • Fuel system 120 L.
  • Gearbox 3.0 L
  • New 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).
  • Engine Oil Change Use new oil and refill the volume of oil drained + 0.250 litre (oil filter volume)

Lubricants & Fuel

  • Engine oil Mobil 1 ESP X3 (0W – 40)
  • Coolant 20L (Delivery spec: 50/50 water & antifreeze)
  • Gearbox oil ‘Mobilube’ SHC
  • Steering servo oil Pentosin
  • Fuel 98 RON Super Plus unleaded
  • Brake fluid Racing Brake Fluid-325° (DOT 4) Porsche spare part No: 991.355.960.8A
  • Air jack A pressure of 35-38 bar is necessary to operate the air jacks.

Click Here to Login and Access Downloadable Resources