Porsche 718 Cayman GT4 Clubsport ( Type 982 )

Technical description of the Porsche 718 Cayman GT4 Clubsport (Type 982)

Concept
• Single-seater, near-standard production-based race car, not road homologated

Engine
• Aluminium six-cylinder mid-positioned boxer engine with rigid mounting
• 3,800 cc; stroke 77.5 mm, bore 102 mm
• Max. power: 313 kW (425 hp) at 7,500 rpm
• Max. rpm: 7,800 rpm
• Max. torque: 425 Nm at 6,600 rpm
• Compression ratio: 12.5:1
• Racing optimised water cooling with thermal management for engine and gearbox
• Four-valve technology with adjustable camshaft phasing and variable valve timing VarioCam Plus
• Fuel quality: Super Plus unleaded, minimum 98 octane
• Racing optimised electronic engine management (Continental SDI 9)
• Integrated dry sump lubrication
• 100-cell metal catalytic converter complying with DMSB specifications

Transmission
• Rear wheel drive
• 6-speed PDK gearbox with rigid suspension and electronic control unit optimised for racing
• Reinforced dual mass flywheel
• Internal pressure oil lubrication with active oil cooling
• Differential lock optimised for racing

Bodywork
• Lightweight body in aluminium-steel composite construction
• Welded-in roll cage, certified according to FIA Art. 277
• Front bonnet with quick release fasteners
• Rear hood with quick release fasteners
• Fixed rear wing with “swan neck” mount made of natural-fibre composite materials, including the sideblades, black aluminium wing supports with integrated carbon fibre Gurney flap
• Driver and co-driver doors of natural-fibre composite materials
• Roof including escape hatch, certified according to FIA Art. 275a
• Recaro race bucket seat with longitudinal adjustment and padding system, adjustable to the individual needs of the drivers (in accordance with FIA Standard 8862/2009 – the latest FIA requirements)
• Three-piston air jack system (“Competition”)
• Pre-installed mounting points for three-piston air jack system (“Trackday”)
• Provision for safety net
• FIA-certified towing loops, front and rear
Motorsport centre console with enhanced functionality and adapted usability
• Six-point safety harness
• 115-litre FT3 safety fuel cell with “Fuel Cut Off” safety valve complying with FIA regulations (“Competition”)
• 80-litre FT3 safety fuel cell with “Fuel Cut Off” safety valve complying with FIA regulations (“Trackday”)

Suspension
Front axle:
• MacPherson suspension strut, adjustable in height, camber and track
• Forged suspension links: optimised stiffness, double shear mounting, high-performance spherical bearings
• 5-bolt wheel hubs
• Racing 3-way shock absorbers with rebound and 2-stage compression adjustment, high and low speed (“Competition”)
• Fixed shock absorbers (“Trackday”)
• Electromechanical power steering with variable steering ratio
• Anti-roll bar, 3-hole design

Rear axle:
• MacPherson suspension strut, adjustable in height, camber and track
• Forged suspension links: optimised stiffness, double shear mounting, high-performance spherical bearings
• 5-bolt wheel hubs
• Racing 3-way shock absorbers with rebound and 2-stage compression adjustment, high and low speed (“Competition”)
• Fixed shock absorbers (“Trackday”)
• Adjustable blade-type anti-roll bar

Brake system
Front axle:
• Aluminium, mono-bloc six-piston racing callipers with “Anti Knock Back” piston springs
• Steel brake discs, multi-piece, ventilated and grooved, 380 mm diameter
• Racing brake pads
• Brake balance adjustment via a balance bar system (“Competition”)
• Brake booster (“Trackday”)

Rear axle:
• Aluminium, mono-bloc four-piston racing callipers with “Anti Knock Back” piston springs
• Steel brake discs, multi-piece, ventilated and grooved, 380 mm diameter
• Racing brake pads
• Brake balance adjustment via a balance bar system (“Competition”)
• Brake booster (“Trackday”)

Electrics
• COSWORTH instrument cluster ICD with integrated data logger
• Upgraded fault diagnosis with PIWIS motorsport tester
• Porsche Track Precision Race App
• Integrated lap trigger via GPS signal
• Electronic throttle system
• Lightweight lithium-ion (LiFePo) battery, 60 Ah, leak-proof, mounted in passenger footwell (“Competition”)
• Battery 12 V, 70 Ah (AGM), leak-proof, mounted in passenger footwell (“Trackday”)
• Emergency cut-off switch in cockpit and outside left of the windscreen
• Driving stability system PSM (Porsche Stability Management) with ABS, traction Control (TC) and Electronic Stability Control (ESC), able to be completely deactivated
• Tyre pressure monitoring system (TPMS)
• Central fire extinguishing system in accordance with FIA regulations (“Competition”)
• Handheld fire extinguisher (“Trackday”)
• Air conditioning
• Electric wing mirror adjustment
• Multifunctional CFRP motorsport steering wheel with pit speed limiter and quick release coupling (“Competition”)
• Multifunctional motorsport steering wheel with pit speed limiter (“Trackday”)
• Centre console with map switch to adjust the ABS, ESC, TC and switch between preset tyre circumferences

Weight/dimensions
• Total weight: 1,320 kg
• Total length: 4,456 mm
• Total width: 1,778 mm
• Total height: 1,238 mm
• Wheelbase: 2,456 mm

Rims/Tyres
Front axle:
• One-piece light-alloy forged wheels in new weight-optimised rim design, 9J x 18 offset 28 with 5-bolt mounting
• Delivered with Michelin transportation tyres, dimension: 25/64-18
• Michelin slick/wet tyres, dimension: 25/64-18

Rear axle:
• One-piece light-alloy forged wheel in new weight-optimised rim design, 10.5J x 18.5 offset 53 with 5-bolt mounting
• Delivered with Michelin transportation tyres, dimension: 27/68-18
• Michelin slick/wet tyres, dimension: 27/68-18

Colours
• Water-based paint
• Exterior: white C9A
• Interior: white filler-coat, without lacquer

Delivery
Starting in February 2019