🏷️ Basic Information Identification Make: Ferrari Model: 365 GT4 2+2 Year: 1973 👋 Introduction Market Position Positioning: High-performance luxury grand tourer. Competitive Analysis Competitors: Lamborghini Espada, Aston Martin V8 Vantage, Maserati Ghibli SS. Key Features Design: Pininfarina styling, 2+2 seating configuration. Performance Focus: Emphasis on V12 engine performance and GT comfort. Manual Value Proposition Benefit: Enables owners and mechanics to accurately maintain, restore, and repair the Ferrari 365 GT4 2+2. Usability: User-friendly format with clear instructions and diagrams, making complex procedures accessible. 📋 Manual Details Coverage Areas Coverage: Maintenance, Service, Repair Page Count Estimated Page Count: Detailed, but not specified in product information. Manual Type Type: Workshop Service Repair Manual Language Language: English (assumed based on product description, common for workshop manuals of this era and origin). Format Format: PDF (Electronic, Interactive with Hyperlinks) 📖 Manual Coverage Systems Covered Engine: V12 Engine (4.4L, 4390 cc) - Mechanical, lubrication, cooling, fuel, ignition systems, tuning. Transmission: Manual Transmission - Operation, overhaul, maintenance. Drivetrain: Clutch, driveshafts, differential - Inspection, repair. Suspension: Front and Rear Suspension (Independent) - Components, geometry, servicing. Steering: Steering System (Recirculating Ball) - Components, maintenance, adjustment. Brakes: Hydraulic Disc Brakes (all wheels) - Components, servicing, bleeding, troubleshooting. Electrical: Ignition, charging system (alternator), starting system (starter motor), lighting, instrumentation, wiring diagrams. Fuel System: Carburetor system (Weber 40 DCNF) - Diagnosis, adjustment, overhaul. Cooling System: Radiator, fan, water pump, thermostat - Maintenance, flushing, component testing. Exhaust System: Component inspection and replacement. Body And Chassis: Bodywork repair principles, chassis inspection, trim. Interior: Dashboard, seats, trim panel removal and installation. Procedures Included Maintenance: Oil changes, filter replacements, fluid checks, lubrication points, tune-ups, brake adjustments. Troubleshooting: Diagnostic procedures for engine, electrical, and mechanical faults. Repair: Component overhaul and replacement for all major systems. Diagnostics: Detailed diagnostic flowcharts and information for common problems. Assembly Disassembly: Step-by-step instructions for dismantling and reassembling key components. Specifications And Torques: Tightening torques, clearances, and other critical specifications. Technical Depth Depth: Comprehensive. Suitable for novice DIY to professional mechanic. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content. Interactivity: Interactive with subject/link navigation system. Print Quality Printable: Printable pages (user-selectable). Binding Type Binding: N/A (Electronic Format) Paper Type Paper Type: N/A (Electronic Format) ⚙️ Engine Specifications Primary Engine Engine Type: Ferrari Colombo V12 Displacement: 4.4 Liters (4390 cc) Bore X Stroke: 81 mm x 71 mm (approximate) Compression Ratio: 8.8:1 (typical for this engine variant) Performance Horsepower: 320 PS (235 kW) at 6200 rpm (DIN) Torque: 431 Nm (318 lb-ft) at 4500 rpm (DIN) Fuel System Carburetion: Four Weber 40 DCNF downdraft carburetors Fuel Type: Premium Unleaded Gasoline (95 RON or higher) Ignition System Ignition Type: Distributor-based, dual ignition coils for reliability. Lubrication Oil Type Recommendation: SAE 20W-50 or 10W-40, API SF or higher (consult manual for exact specs). Oil Capacity: Approximately 11-12 Liters (including filter). 🔧 Transmission Standard Type: 5-Speed Manual Transaxle Clutch: Hydraulically operated single dry plate clutch. Features Transaxle Design: Integrated transmission and differential for rear axle mounting. Fluid Specification Fluid Type: GL-4 Hypoid Gear Oil (e.g., SAE 75W-90 or 80W-90). 📐 Dimensions Exterior Length: 4,660 mm (183.5 in) Width: 1,770 mm (69.7 in) Height: 1,170 mm (46.1 in) Wheelbase: 2,700 mm (106.3 in) Weights Curb Weight: Approximately 1,500 kg (3,307 lbs) Tires And Wheels Front Tire Size: 215/70 VR 15 Rear Tire Size: 215/70 VR 15 Wheel Type: 15-inch alloy wheels (often Cromodora). Bolt Pattern: 5x108 mm 🛡️ Safety Features Ratings Crash Safety: No formal crash test ratings available for this era and vehicle type. Design prioritizes occupant protection within the context of its time. Active Features Brakes: Four-wheel Dunlop ventilated disc brakes with dual-circuit hydraulic system. Passive Features Seat Belts: Three-point seat belts for front occupants (standard). Steering Column: Collapsible steering column (designed for impact absorption). 💡 Technology Features Infotainment Audio System: Basic AM/FM radio, often optional or dealer-installed. Driver Assistance Features: No electronic driver assistance systems typical of modern vehicles. Comfort Features Climate Control: Air conditioning (often optional). Windows: Power windows. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000-7,500 km (3,000-4,500 miles) or annually, whichever comes first. Tune Up Interval: Recommended every 10,000-15,000 km (6,000-9,000 miles), focusing on ignition and carburetor settings. Timing Belt Replacement: N/A (Engine uses a timing chain). Fluid Specifications Coolant Type: 50/50 mixture of ethylene glycol antifreeze and distilled water. Brake Fluid Type: DOT 3 or DOT 4 hydraulic fluid. Power Steering Fluid: Type 'A' or Dexron III automatic transmission fluid (check manual for exact specification). Known Issues Carburetor Tuning: Maintaining the tune of the four Weber carbs can be complex; requires specialized knowledge. Electrical System: Age-related deterioration of wiring and components is common. Cooling System: Potential for leaks and inefficient cooling due to age of hoses and radiator. Suspension Bushings: Rubber bushings can degrade over time, affecting ride and handling. 📚 Vehicle History Brand Heritage Founder:...