Porsche GT4 Clubsport MR GT4 Homologation package
Porsche GT4 Clubsport MR GT4 homologation PackaGe for Those with an asphalt addiction: The Porsche GT4 Clubsport MR 01 Base vehicle Cayman GT4 Clubsport 02 Race car GT4 Clubsport MR 03 CONVERSION KIT GT4 Clubsport MR 04 Manthey-Racing Accessories
01 Base vehicle Cayman GT4 Clubsport Single-seat, production-based race car Based on Porsche Cayman GT4 (981) Engine Aluminum six-cylinder rear-mounted boxer engine, rigid mounting 3,800 cc; stroke 76.4 mm; bore 102.7 mm Max. power: 283 kw (385 hp) at 7,400 rpm Max. rpm: 7,800 rpm Max. torque: 420 Nm at 4,750 6,000 rpm Compression ratio: 12.5 : 1 Water cooling with thermal management for engine and gearbox Four valves per cylinder, adjustable camshaft phasing and variable valve timing VarioCam Plus Sequential multi-point fuel injection Fuel quality: minimum 98 octane, unleaded Dry-sump lubrication Electronic engine management (Continental SDI 9) 100-cell metal catalytic converter complying with DMSB specifications Rear silencer with central tailpipes Variable intake system with adjustable resonance butterflies Twin pipe sport exhaust system featuring two central tailpipes Transmission Rear wheel drive Rigidly mounted six-speed PDK-gearbox (DCT, dual clutch transmission) Limited slip differential optimized for racing Dual mass flywheel Bodywork Lightweight bodywork with intelligent aluminum-steel composite construction Fully integrated roll-cage complying with FIA Homologation Regulations for safety cages Front bonnet with quick release fasteners Rear deck with quick release fasteners Modified Cayman GT4 cockpit: Porsche motorsport steering wheel, Alcantara covered, integrated shift paddles Motorsport center console with typical Porsche switch layout Crash protected, lightweight battery and optimized ECU positon Race bucket seat Recaro P1300GT with longitudinal adjustment Six-point safety harness FIA certified towing loops at front and rear 100 liter fuel cell (FT3 safety fuel cell) and Fuel-Cut-Off safety valve in accordance with FIA regulations Suspension McPherson suspension strut Forged suspension links: Optimized stiffness Double shear mounting High-performance spherical bearings 5 bolt wheel hubs Reinforced track rods (front) Electrohydraulic power steering with variable steering ratio and steering impulse (front) Brake system Aluminum, mono-bloc six-piston racing calipers with Anti knock off piston springs Ventilated and grooved 380 mm brake discs mounted on aluminum disc bells Motorsport brake pads Optimized brake cooling duct layout Rims / Tires One piece forged alloy rims, 9J x 18, offset 41 mm (front) and 10,35J x 18, offset 47,5 mm (rear) with 5 bolt mounting Dimension front: 25/64-18 (24/64-18 for rain tires) Dimension rear: 27/68-18 Michelin transportation tires on delivery Electrics Porsche GT4 instrument cluster including typical motorsport display elements Porsche Track Precision Race App with provision for a lap trigger Electronic throttle system Battery mounted in passenger footwell Emergency switch in cockpit and exterior emergency switch at lower left of windscreen frame Lighting system: Main headlights with H7 technology LED rear lighting system Electronic dynamic stability system PSM (Porsche Stability Management) with ABS, traction control and electronic stability control can be deactivated. Tire pressure monitoring system (TPMS) Weight / Dimensions Total weight: 1.290 kg (minimum weight) Total length: 4.438 mm Total width: 1.810 mm Total height: 1.256 mm Wheelbase: 2.476 mm 4 I Base vehicle Cayman GT4 Clubsport Base vehicle Cayman GT4 Clubsport I 5
02 (Following Race car GT4 Clubsport MR specification is mandatory for GT4 homologation) 13 2 5 19 3 1 18 14 20 16 12 15 17 7 8 10 6 11 4 1 Recaro race seat P1300 GT * 2 FT3 safety fuel cell 100l with Fuel-Cut-Off safety valve * 3 Fire extinguisher system ** 4 Air jack system ** 5 Window net ** 6 Refueling system 7 Sway bar front axle 8 2-way adjustable race suspension kit 9 Adjustable brake balance beam 10 Drive shaft spacer 11 Carbon fiber front bonnet 12 Carbon fiber doors 13 Polycarbonate windscreen 14 Rear wing 15 Rear wing bracket 16 Steering wheel control unit 17 Can Gateway 18 Steering wheel hub extension Optional: 19 Air conditioning * 20 Light weight battery ** * not included in the GT4 kit, original Porsche option ** not included in the GT4 kit, see Manthey-Racing accessories 6 I Race car GT4 Clubsport MR Race car GT4 Clubsport MR I 7
03 (Following CONVERSION KIT GT4 Clubsport MR specification is mandatory for GT4 homologation) Refueling system Tank tower equipped with a Premier double tank valve for fast-fill refuelling of 100-litre FT3 safety fuel cell Polycarbonate windscreen Light weight windscreen 2-way adjustable race suspension kit Independently adjustable in rebound and compression forces with linear bearing and high performance race springs ADJUSTABLE BRAKE BALANCE LEVER Adjustment of brake balance directly by the driver DRIVE SHAFT SPACER More flexibility for setting the rear axle geometry Carbon fiber doors Light weight doors incl. polycarbonate side windows with quick release buckles to SRO specification Steering wheel hub extension Position optimisation of the steering wheel Carbon fiber front bonnet Light weight bonnet with an oval aperture for the FT3 fuel cell Sway bar front axle Sway bar with blade adjustment for roll rigidity Rear wing Performance component to increase the downforce level Rear wing bracket Reinforced high-strength aluminum milled bracket with triple adjustment Steering wheel control unit Simple and safe operation of the communications, hydration and optional lighting systems Can Gateway CAN interface for the mandatory data logger in accordance with SRO regulations Optional: Light weight battery Lithium-ion battery for weight reduction 8 I Conversion kit GT4 Clubsport MR
04 Manthey-Racing Accessories Fire extinguisher system *** Two-chamber extinguishing system with 6 nozzles covering the cockpit, engine compartment and fuel refueling area Air jack system *** 3 lifting jacks, pressurized line kit and compressed air supply valve Window net *** Safety window net incl. holder in accordance with SRO safety regulations *** Option is mandatory for GT4 homologation 10 I Manthey-Racing Accessories Manthey-Racing Accessories I 11
Recaro co-driver package Recaro race bucket seat including 6-point harness and foot rest ICONIC RW PEPITA SEAT DESIGN Seat cushions in iconic Porsche design Rim set BBS One piece forged alloy rims, 9J x 18, offset 41 mm (front) and 10,35J x 18, offset 47,5 mm (rear) with 5 bolt mounting WINDSCREEN PROTECTION 4-layer tear-off protection foil Additional bottle for drinking system Additional helmet set for drinking system LIGHT WEIGHT BATTERY Lithium-ion battery with lightweight and compact design Powerbox Distribution box for 12V power plug SIDE & REAR WINDOW PROTECTION Chip guard protection foil side / rear windows Additional lightning 24h (nightface) Additional headlights integrated in the front bumper SKID PAD Protection of the undercarriage Drinking system incl. Bottle and helmet set Electronic system with push button at the steering wheel Power cable Powerbox 150 cm incl. plug Power cable Powerbox 270 cm incl. plug Power cable Powerbox 270 cm open end Connector jump start battery / charger 12 I Manthey-Racing Accessories Manthey-Racing Accessories I 13
Adapter cable CTEK Adapter cable to connect battery charger Carlifter set aluminium for Airjack system Carlifter to raise race car to 2nd floor level Accessories air jack system Pressurized bottle incl. trolley, manometer and air hose Tool trolley Specific selection of tools for Cayman GT4 Clubsport Racing shoes Daytona II Reinforced stiffer and shock-absorbing heel, ergonomic and tailored sole Extra velcro-fastening strap for firm hold Mesh guard Safety guard for air intake Outdoor Cover Helmet IVOS-Double Duty FIA 8860-2010 or SNELL SA 2015. Full carbon shell, HANS ready, can be used either with a peak or with a visor Racing suit ST221 Air-S FIA 8856-2000 certified, 3 layers, Lycra / aramid floating sleeves, back stretchable panel Racing gloves Outside Seams II Grip and protective pads optimized leather parts Anti-vibration foam padding Each customer is responsible for his car to fully comply with the relevant regulations. This document replaces previously published information. Vehicle cannot be registered for public road use. All data subject to change without prior notice. 14 I Manthey-Racing Accessories Manthey-Racing Accessories I 15
MANTHEY-RACING THE SPECIALIST FOR RACE and ROAD PORSCHE PERFORMANCE. Manthey-Racing GmbH Rudolf-Diesel-Strasse 11-13 D-53520 Meuspath Phone: +49 (0) 2691 / 9337-0 Fax: +49 (0) 2691 / 9337-10 info@manthey-racing.de www.manthey-racing.de For misprint and errors no liability www.pixel-schmiede.com