PORSCHE 911 GT3 CUP 2016 6.G Information Manual

20 |
| 21
Concept
Single-seater production-based race car
Base model: 911 GT3
Engine
Aluminium six-cylinder horizontally opposed engine, rear-mounted
Sealed
3,996 cm
3; stroke 81.5 mm; bore 102 mm
Max. power: 357 kW (485 hp) at 7,500 rpm
Max. rpm: 8,500
Maximum torque: 480 Nm at 6,250 rpm
Single-mass flywheel
Water-cooled with thermal management for engine and transmission
Four valves per cylinder
Variable cam phasing (intake and exhaust)
Direct fuel injection
Fuel grade: Super unleaded, minimum 98 RON
Dry-sump lubrication
Electronic engine management (Bosch MS 4.6 NG)
Race exhaust system with regulated race catalytic converter
Rear silencer with central twin tailpipe
Electronic throttle
The data.
Transmission
Porsche six-speed sequential dog-type transmission
Sealed
Gear ratios:
– Ring and 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 by
oil-water heat exchanger
Mechanical differential lock
Triple-disc sintered metal racing clutch
Pneumatic gearshift activation (paddle shift)
Bodyshell
Intelligent lightweight construction in aluminium and steel composite
Weld-in roll cage, certified compliance with FIA homologation regulations
for safety cages
Front lid with two air intakes for cockpit ventilation, quick-release catches
Removable roof section in compliance with the latest FIA safety regulations
Fastening point preparation for central safety net attachment
Pickup point for lifting device
Modified and widened 911 GT3 wings
Enlarged rear wheel arches
Modified and widened 911 GT3 front apron with spoiler lip
Modified 911 GT3 rear apron with integral rain light in compliance with
FIA homologation regulations
Lightweight exterior:
– carbon-fibre reinforced plastic doors with SportDesign mirrors
– carbon-fibre reinforced plastic rear lid with quick-release catches

– carbon-fibre reinforced plastic adjustable rear wing (nine positions)
– polycarbonate rear side windows with air outlets
– polycarbonate rear screen
Rear underbody panelling with NACA ducts for brake and driveshaft cooling Modified 911 cockpit:

– weight-optimised magnesium subframe
– ergonomic driver-oriented centre console
– control switch trim with fluorescent lettering
– steering wheel with quick-release coupling, control panel and shift paddles
– adjustable steering column with steering angle sensor
Racing bucket seat with fore/aft adjustment:
– homologated to latest FIA requirements
– padding system for adapting to individual driver (delivered with size M)

Shock-absorbing roll cage safet y cover for leg protection in driver’s foot well
Six-point racing safety harness
100-litre fuel cell (FT3 safety fuel cell) and ‘fuel cut-off’ safety valve in accordance with
FIA regulations
Built-in air jack system (three jacks) with valve mountable on either side of the car

22 |

Chassis
Forged control arms:
– optimised stiffness
– double-shear track rod connection
– heavy-duty spherical bearings
Wheel hubs with central locking device
Racing shock absorbers, non-adjustable
Double-blade-type adjustable anti-roll bars
Tyre pressure monitoring system
Front a xle:
– McPherson suspension strut, adjustable for height, camber and toe
– forged and adjustable top mounts
– electrohydraulic power steering with external control function for
easy car manoeuvring
Rear axle:
– multi-link rear suspension, adjustable for height, camber and toe
– forged top mounts
Brake system
Two independent brake circuits with brake pressure sensors for front and rear axle,
adjustable by the driver via brake balance system
Derivative sensors and harness for retrofit ting an ABS system
Multi-piece steel brake discs, internally vented and slotted,
diameter: 380 mm
Racing brake pads
Optimised ventilation routing
Front a xle:
– six-piston aluminium monobloc racing brake calipers
with ‘anti-knock back’ piston springs
Rear axle:
– four-piston aluminium monobloc racing brake calipers
with ‘anti-knock back’ piston springs

24 |
| 25
Wheels/tyres
Front a xle:

– single-piece centre-lock alloy wheels conforming to Porsche specification
and design, 10.5 J x 18 ET 28
– treaded Michelin transportation t yres; t yre size:
2 7/ 6 5 - 1 8
Rear axle:
– single-piece centre-lock alloy wheels conforming to Porsche specification
and design, 12 J x 18 ET 53
– treaded Michelin transportation t yres; t yre size:
31/ 71-18
Electrical system
COSWORTH colour display ICD with integrated fault diagnostics
COSWORTH electrical system control unit IPS32
Electronic throttle
Fire extinguishing system (extinguishing agent: gas)
Bat tery 12 V, 70 Ah (AGM), leakproof, in co - driver’s foot well
175-A alternator
Weight-optimised fan
Windscreen wiper with direct drive (intermittent and continuous operation)
Lighting system:
– Bi-Xenon main headlights
– LED day time running lights
– LED taillights and rain lights in compliance with
FIA homologation regulations
Two additional switches in the centre console for
additional power consumers
CAN connection (data logger, video system)
Weight/dimensions
Total weight: ca. 1‚200 kg (2,645.55 lbs)
Total length: 4‚564 mm (179.01 inch)
Total width: 1‚980 mm (77.95 inch)
Total height: 1‚246 mm (49.06 inch)
Wheelbase: 2‚456 mm (96.69 inch)
Colours
Water-based paint
Exterior: white C9A
Interior: filler coat in white, no clear-coat finish
Delivery
December 2016 – March 2017
Conformity with regulations
Customers bear sole responsibility for complying with regulations
applicable to themselves and their vehicle.
This document replaces all previously published versions.
Vehicle cannot be registered for public road use.
Subject to change without notice.

| 27
Aftersales packages from Porsche Motorsport
Exhaust system:

– pre-silencer
– open tailpipes
Endurance fuel tank upgrade
Fuel tank top plate with adapters for closed circuit fuel handling
External digital engine oil level display
Engine oil quick refill
Passenger seat for taxi rides
Auxiliary weight plates for car weight balancing
Window safety net in compliance with the latest FIA safety regulations
Centre safety net in compliance with the latest FIA safety regulations
Cockpit illumination
Start number illumination
Heated windscreen
Suspension travel sensor package
External charging cable
Power supply extension (connecting additional consumers)
Available at COSWORTH Electronics:
COSWORTH ICD display upgrade for endurance races

Errors and omissions excepted.
Subject to change without
notice.Porsche, the Porsche Crest, 911,
Carrera and other marks are registered
trademarks of Dr. Ing. h.c. F. Porsche AG. Dr. Ing. h.c. F.
Porsche AG
Porscheplatz 1
70435 Stuttgart
Germany
www. porsche.com/motorsport © Dr. Ing. h.c. F.
Porsche AG, 2016
Edition: 09/16
W S R Z 16 0 111S 2 2 0