Positioning:
The Mitsubishi 3000GT (GTO in Japan) was positioned as a premium, high-performance grand tourer, competing with established sports cars from Japan and Europe.
Competitors:
Competed with vehicles like the Nissan 300ZX (Z32), Toyota Supra (Mk3/Mk4), Mazda RX-7 (FC/FD), Porsche 944, and Chevrolet Corvette.
Aerodynamics:
Features advanced active aerodynamics, including an active front spoiler and adjustable rear wing (on specific trims), designed to optimize downforce at higher speeds.
All Wheel Drive:
Available with sophisticated all-wheel-drive (AWD) and all-wheel-steering (AWS) systems, enhancing handling and stability.
Handling Technology:
Incorporated advanced technologies like electronically controlled suspension (ECS) and active aerodynamics for superior on-road performance.
Engine:
All aspects of engine repair, rebuilding, and diagnostics, including: Engine mechanical, lubrication, cooling, fuel, ignition, emissions control, and engine electrical systems.
Transmission:
Repair and maintenance of both manual and automatic transmissions, including: Clutch, gearbox, torque converter, transmission control, and driveline components.
Suspension Steering:
Detailed procedures for suspension and steering system service, including: Springs, shock absorbers, control arms, power steering system, alignment specifications, and wheel bearings.
Brakes:
Comprehensive coverage of the braking system, including: Brake hydraulic system, ABS (Anti-lock Braking System), brake pads, rotors, calipers, parking brake, and bleeding procedures.
Electrical Electronics:
Extensive diagnostics and repair for the vehicle's electrical and electronic systems, including: Battery, charging system, starting system, lighting, instrument cluster, body electronics, comfort controls, and detailed wiring diagrams.
Body Chassis:
Repair and maintenance for body and chassis components, including: Exterior body panels, interior trim, doors, windows, locks, glass replacement, frame repair, and corrosion protection.
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, inspections, and lubrication procedures.
Troubleshooting:
Systematic diagnostic procedures and troubleshooting guides for common and complex issues.
Repair Rebuild:
Step-by-step instructions for component removal, installation, repair, and complete engine/transmission rebuilds.
Diagnostics:
Diagnostic charts, fault code explanations, and electrical testing procedures.
Wiring Diagrams:
Includes detailed wiring diagrams for all electrical systems, crucial for diagnosing electrical faults.
Depth:
Expert-level detail suitable for professional technicians and advanced DIY enthusiasts, covering everything from routine maintenance to complete vehicle restoration.
Recalibration:
Procedures for recalibrating sensors and electronic control units (ECUs) where applicable.
Engine Code:
6G72 (DOHC V6)
Configuration:
3.0L SOHC V6 (Base models) / 3.0L DOHC V6 Twin-Turbo (VR-4 and GTO Twin-Turbo)
Displacement:
2972 cc (181.4 cubic inches)
Horsepower:
Naturally Aspirated: Approx. 222 hp @ 6000 rpm; Twin-Turbo: Approx. 300 hp @ 6000 rpm (JDM GTO Twin-Turbo), 300 hp @ 6000 rpm (USDM 3000GT VR-4)
Torque:
Naturally Aspirated: Approx. 205 lb-ft @ 4000 rpm; Twin-Turbo: Approx. 307 lb-ft @ 3500 rpm (JDM GTO Twin-Turbo), 307 lb-ft @ 3000 rpm (USDM 3000GT VR-4)
Fuel Delivery:
Multi-point fuel injection (MPI)
Fuel Type:
Unleaded gasoline
Cooling Method:
Water-cooled
Transmission Type Na:
5-speed manual (Naturally Aspirated models)
Transmission Type At:
4-speed automatic (Naturally Aspirated and VR-4 models)
Transmission Type Turbo Manual:
5-speed manual (VR-4 Twin-Turbo models)
AWD Aws:
Active All-Wheel Drive (4WD) and All-Wheel Steering (AWS) systems available on VR-4 models.
Crash Test Data:
Specific official crash test ratings for the 1991 model year may be limited; however, the chassis was designed with safety in mind for its era.
ABS:
Anti-lock Braking System (ABS) standard on VR-4 models, optional on some other trims.
Aws:
Active All-Wheel Steering (AWS) system available, enhancing low-speed maneuverability and high-speed stability.
Airbags:
Driver's side airbag standard.
Seatbelts:
Three-point front seatbelts with pretensioners.
Oil Change:
Recommended every 3,750-5,000 miles or 6 months, whichever comes first (Refer to manual for exact specifications based on driving conditions).
Timing Belt:
Recommended replacement every 56,000-60,000 miles or 4-5 years due to the interference engine design.
Engine Oil:
API SG or SH, SAE 10W-30 or 10W-40 (Consult manual for specific viscosity and type based on climate).
Coolant:
Ethylene glycol based coolant, typically a 50/50 mixture with distilled water. Specific capacity varies by model.
Transmission Fluid At:
Mitsubishi DIA QUEEN ATF SP-II or equivalent (Consult manual for exact specification).
Transmission Fluid Mt:
API GL-4 or GL-5 gear oil, SAE 75W-90 or 80W-90.
Ecs Failure:
Electronic Control Suspension (ECS) components can be prone to failure or degradation over time, leading to ride height or dampening issues.
Aws Actuators:
All-Wheel Steering (AWS) actuators and sensors can fail, disabling the system.
Turbo Wear:
Turbochargers on VR-4 models require meticulous maintenance; neglect can lead to premature wear and failure.
Tdc Sensor:
Failure of the Top Dead Center (TDC) sensor can cause starting issues or engine stalling.
