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Automotive

PORSCHE 911 GT3 CUP (TYPE 991 II)

Concept:
• Single-seated, near-standard race vehicle
• Based on the 911 GT3

Engine:
• Aluminum six-cylinder rear-mounted boxer engine
• Sealed
• 3,996 cm³; stroke 81.5 mm; bore 102 mm
• Max. power: 357 kW (485 hp) at 7,500 rpm
• Max. rpm: 8,500 rpm
• Single-mass flywheel
• Water cooling with heat management for engine and gearbox
• Four valves per cylinder
• Sequential multi-point fuel injection
• Required fuel quality: minimum 98 octane, unleaded
• Dry-sump lubrication
• Electronic engine management (Bosch MS 4.6)
• Race exhaust system with regulated race catalytic converter
• Rear silencer with centered exhaust pipes
• Electronic acceleration pedal

Transmission:
• Porsche six-speed sequential dog-type gearbox
• Gear ratios
   Ring & pinion gear 14/22 i = 1.571
   Final drive 17/41 i = 2.412
   1st gear 13/41 i = 3.154
   2nd gear 17/40 i = 2.353
   3rd gear 19/36 i = 1.895
   4th gear 19/29 i = 1.526
   5th gear 24/30 i = 1.250
   6th gear 34/35 i = 1.029
• Internal pressure-oil lubrication with active oil cooling
• Limited slip differential
• Triple-disc sintered metal race clutch
• Pneumatic paddle shift system

Bodywork:
• Lightweight bodywork with smart aluminum-steel composite construction
• Welded-in roll cage, in compliance with FIA Homologation Regulations for safety cages
• Front bonnet with two air inlets for cockpit ventilation and quick fasteners
• Removable roof section
• Rescue bar analogue DTM system
• Modified and widened 911 GT3 fenders
• Modified rear wheel archesModified and widened 911 GT3 front-end with spoiler lip

Lightweight exterior:
CRP doors with sport-design rear-view mirrors
CRP rear engine lid with quick fasteners
CRP rear wing; adjustablePC windows and rear side windows with ventilation openings
• PC rear window
Underbody tray with air routing for brake- and driveshaft cooling in the rear

Modified 911 cockpit:
• Magnesium sub-frame in light weight design
• Ergonomic driver-oriented center console
• Switch mask with fluorescent lettering
• Steering wheel with quick release coupling, control panel and shift paddles
• Recaro P 1300 GT Seat with longitudinal adjustment, homologated to latest FIA requirements
• Individual padding system
• Six-point seat belt100 liter fuel cell (FT3 safety fuel cell)
• Built-in air jack system (three legs)

Suspension
Front axle:
• McPherson suspension strut, adjustable in height, wheel camber and track
• Forged struts: Optimized stiffness, double shear tie rod connection, Heavy-duty spherical bearings
• Wheel hubs with center lockRacing shock absorbers, non-adjustable
• Forged supporting mounts
• Double-blade-type anti-roll bar
• Electrohydraulic power steering

Rear axle:
• Multilink rear suspension, adjustable in height, wheel camber and track
• Forged struts: Optimized stiffness, double shear tie rod connection, Heavy-duty spherical bearings
• Wheel hubs with center lock
• Racing shock absorbers, nonadjustable
• Forged supporting mounts
• Double-blade-type anti-roll bar

Brake System:
• Two independent brake circuits for front and rear axle, adjustable by the driver via brake balance system

Front axle:
• Aluminum six-piston racing calipers in mono-bloc design
• Multi-piece steel brake discs; internally vented and slotted, 380 mm diameter
• Racing brake pads
• Optimized ventilation routing

Rear axle:
• Aluminum four-piston racing calipers in mono-bloc design
• Multi-piece steel brake discs; internally vented and slotted, 380 mm diameter
• Racing brake pads
• Optimized ventilation routing

Rims & Tires
Front axle:
• Single-piece light-alloy rims according to Porsche specification and design with center lock, 10.5J x 18 ET 28
• Michelin transportation tires; tire size: 27/65-18

Rear axle:
• Single-piece light-alloy rims according to Porsche specification and design with center lock, 12J x 18 ET 53
• Michelin transportation tires; tire size: 31/71-18

Electrics:
• COSWORTH color display ICD
• COWSORTH electrical system control unit IPS32
• Electronic throttle system
• Fire extinguishing system (extinguishing agent: gas)
• Battery 12 V, 70 Ah (AGM), leak-proof, placed in the co-driver foot well
• Alternator 150 A
• Fan in light weight design
• Wiper with direct drive

Lighting system:
• Bi-xenon-headlight
• LED daytime running light
• LED rear lighting system and rain light

Weight, Dimensions & Colors:
• Total weight: approx. 1,200 kg
• Total length: 4,547 mm
• Total width: 1,851 mm
• Total height: 1,280 mm
• Wheel base: 2,458 mm

Colors:
• Water-based paint
• Exterior: white C9A
• Interior: white filler-coat, no clear-coat finish