Market Position:
Ultra-high performance, technologically advanced supercar, a halo car for Porsche and the automotive industry.
Competitors:
Ferrari F40, Lamborghini Countach, Jaguar XJ220 (though later), Bugatti EB110 (later).
Key Features Of Vehicle:
Twin-turbocharged flat-six engine, advanced all-wheel-drive system with variable torque distribution, hydropneumatic self-leveling suspension, advanced aerodynamics, innovative construction.
Manual Value:
Enables owners and specialists to accurately identify and source rare and often expensive replacement parts, facilitating maintenance and restoration and potentially saving significant costs compared to dealership parts procurement.
Manual Type:
OEM Replacement Parts Manual / Parts Catalog
Applicable Model Years:
1987-1988
Coverage Scope:
All major vehicle systems and components
Estimated Page Count:
Varies by specific manual version, typically hundreds of pages (exact count not provided in product info, but expected for a comprehensive parts catalog)
Compatibility:
PC & MAC Computers
Downloadability:
Instant download after payment
Requirements:
Adobe PDF Reader
Engine And Drivetrain:
Complete breakdown of engine components, turbochargers, intercoolers, cooling system, lubrication, fuel system, exhaust, and all-wheel-drive system (Porsche-Steuer Kupplung System - PSK).
Transmission:
Detailed parts for the unique 6-speed manual transmission, including clutch, gear sets, synchromesh, and shift mechanisms.
Suspension And Steering:
Components for the advanced self-leveling, height-adjustable hydropneumatic suspension, control arms, bushings, steering rack, and tie rods.
Braking System:
Parts for the anti-lock braking system (ABS), brake calipers, discs, lines, and master cylinder.
Electrical System:
Diagrams and part numbers for wiring harnesses, ignition system, lighting, instruments, sensors, and control units.
Body And Interior:
Exploded views of body panels, aerodynamic aids (including the adjustable rear wing), doors, windows, seats, dashboard, trim, and climate control components.
Wheels And Tires:
Information on forged alloy wheels and their associated hardware.
Disassembly And Assembly:
Illustrations and part identification crucial for methodical disassembly, repair, and reassembly of all vehicle systems.
Part Identification:
Clear identification of every component via exploded diagrams and associated part numbers.
Depth:
Comprehensive, suitable for detailed repair and restoration projects.
User Level:
Accessible to both experienced technicians and enthusiastic owners undertaking repairs.
Engine Code:
Type 959 (based on 930 'flat-six')
Configuration:
Flat-six (Boxer), Twin-Turbocharged
Displacement:
2849 cc (2.85 liters)
Bore X Stroke:
90.0 mm x 74.4 mm
Horsepower:
450 PS (444 bhp; 331 kW) @ 6500 rpm
Torque:
500 Nm (369 lb-ft) @ 4500 rpm
Fuel Injection:
Bosch Motronic fuel injection and ignition management
Fuel Type:
Premium Unleaded (91+ octane)
Cooling Type:
Liquid-cooled (Water-cooled) with integrated oil cooling
Lubrication System:
Dry-sump lubrication with integrated oil reservoir and cooler
Safety Ratings:
Not officially crash-tested by modern standards due to its era and limited production. However, built to high safety standards for its time.
ABS:
Standard Anti-lock Braking System (ABS)
Passive Safety:
Reinforced safety cage, driver and passenger airbags (early adoption for a supercar of its era), impact-absorbing structures.
Infotainment System:
Basic by modern standards. Likely includes an analog radio and cassette player. Porsche premium sound system often optional.
Driver Assistance Features:
ABS, All-Wheel Drive (PSK), Self-leveling suspension with variable ride height.
Connectivity:
Minimal by modern standards. Primarily focused on vehicle performance and driver control.
General Service Interval:
Typically every 10,000-15,000 km (6,000-9,000 miles) or annually, with more frequent checks for high-performance components.
Timing Belt Replacement:
N/A (Beltless camshaft drive via chains)
Engine Oil:
Refer to manual for specific viscosity (e.g., Mobil 1 0W-30 or 0W-40, or equivalent high-performance synthetic). Capacity approx. 10 liters.
Transmission Fluid:
Refer to manual for specific type and grade (typically a GL-4 or GL-5 gear oil, e.g., Mobilube SHC 75W-90 or equivalent).
Brake Fluid:
DOT 4 (High-temperature) fluid required.
Coolant:
Porsche specified coolant, typically a mixture of distilled water and a high-quality antifreeze/anti-corrosion additive. Capacity approx. 20 liters.
Known Issues:
Turbocharger wear, seal degradation due to age, ABS system faults, complex hydropneumatic suspension maintenance, and electronic control unit (ECU) issues. Sourcing original parts can be extremely challenging.
Brand Heritage:
Porsche's legacy in motorsport and engineering excellence.
Model Evolution:
Developed from rally car aspirations (Group B regulations), it evolved into a road-legal supercar showcasing cutting-edge automotive technology.
Production Volume:
Approximately 294 units (including prototypes and road versions).
Manufacturing Location:
Porsche AG, Stuttgart, Germany
