🏷️ Basic Information Identification Make: Triumph Model: Spitfire Year: 1974 Generation Generation Code: Mk IV (Facelift) Codes Chassis Code Prefix: FC/FD 👋 Introduction Market Position Target Audience: Triumph Spitfire 1974 owners, mechanics (professional and DIY), restorers. Competitive Analysis Value Proposition: Provides comprehensive, professional-level repair and maintenance information, eliminating the need for expensive physical manuals or dealership visits. Instant download offers immediate access and cost savings. Key Features Manual Design: Numbered instructions, bold figure numbers for quick illustration matching, detailed illustrations/drawings/photos, enlarged insets for part detail, numbered table of contents for fast information retrieval, combined troubleshooting and wiring diagrams. 📋 Manual Details Coverage Areas Primary Focus: Full Service, Repair, Maintenance, Rebuild, Refurbishment, Restoration Page Count Estimated Page Count: Comprehensive (Exact page count not specified, but described as 'very detailed' and 'full service') Manual Type Type: Full Service Repair Manual Language Language: English Format File Format: PDF Delivery Method: Instant Download 📖 Manual Coverage Systems Covered Mechanical Systems: Engine, Transmission, Drivetrain, Suspension, Steering, Brakes, Fuel System, Cooling System, Exhaust System Electrical Systems: Wiring Diagrams, Lighting, Ignition System, Starting System, Charging System, Instrumentation, Accessories Bodywork And Chassis: Body Panels, Interior Trim, Glass, Chassis Frame, Bumpers Procedures Included Routine Maintenance: Oil Changes, Filter Replacements, Fluid Checks, Lubrication, Tune-Ups, Spark Plug Replacement Repair And Rebuild: Engine Rebuild, Transmission Overhaul, Brake System Repair, Suspension Component Replacement, Electrical Component Diagnosis and Repair Diagnostics: Troubleshooting Procedures, Fault Diagnosis, Electrical System Diagnostics Technical Depth Depth: Comprehensive, covering professional technician level procedures and suitable for DIY mechanics. Includes detailed diagnostic and repair procedures, with step-by-step instructions and critical information highlighted. 📊 Manual Specifications File Format Printability: Full Printable Searchability: Likely text-searchable within the PDF (typical for professional service manuals) Binding Type Binding: Digital (PDF Download) Paper Type Paper Type: N/A (Digital Product) Requirements Software Requirements: Adobe PDF Reader, WinRAR (for potential archive extraction) Operating System Compatibility: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-cylinder, Overhead Valve (OHV) Displacement: 1493 cc (91.1 cu in) Bore X Stroke: 83.7 mm x 69.3 mm (3.29 in x 2.73 in) Compression Ratio: 8.5:1 (Typical for 1974 models) Performance Horsepower: 75 hp (56 kW) @ 5500 rpm (approximate) Torque: 82 lb-ft (111 Nm) @ 3500 rpm (approximate) Fuel System Carburetion: Twin Stromberg CD150 or SU HS4 Carburetors Fuel Type: Unleaded Gasoline (91 Octane or higher recommended) Cooling System Cooling Method: Water Cooled, Thermostatically Controlled Lubrication Oil Type: API SF/CD, SAE 20W-50 (recommended for classic engines) Oil Capacity: 4.5 US quarts (4.3 Liters) with filter change 🔧 Transmission Standard Type: 4-Speed Manual Optional Type: 3-Speed Automatic (Less common, optional) Features Gear Ratios Manual: Typically 3.63:1 (1st), 2.21:1 (2nd), 1.41:1 (3rd), 1.00:1 (4th), 3.89:1 (Reverse) - ratios can vary slightly by final drive Fluid Specifications Manual Transmission Fluid: GL-4 Gear Oil, SAE 80W-90 Automatic Transmission Fluid: Dexron II (if equipped with automatic) 📐 Dimensions Exterior Length: 3912 mm (154.0 in) Width: 1510 mm (59.4 in) Height: 1200 mm (47.2 in) Wheelbase: 2108 mm (83.0 in) Weights Curb Weight: Approx. 830-850 kg (1830-1874 lbs) Gross Vehicle Weight Rating: Not specified, but typically around 1100-1200 kg 🛡️ Safety Features Ratings Crash Test Ratings: N/A (Vehicles of this era were not subjected to standardized crash testing as they are today.) Active Features Braking System: Front: Disc Brakes, Rear: Drum Brakes Parking Brake: Mechanical, operating on rear wheels Passive Features Seat Belts: Standard (lap belts in front, optional shoulder belts) Windscreen: Laminated safety glass 💡 Technology Features Infotainment Audio System: Typically a basic AM/FM radio, often optional or aftermarket. Driver Assistance Features: None (Era-appropriate basic motoring focus). 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 miles (4,800 km) or 6 months, whichever comes first. Tune Up Interval: Every 6,000 miles (9,600 km) or 12 months. Valve Adjustment: Every 12,000 miles (19,200 km) or 24 months. Fluid Specifications Coolant Type: 50/50 mix of antifreeze (ethylene glycol based) and distilled water. Brake Fluid: DOT 3 or DOT 4 Brake Fluid Known Issues Common Problems: Rust (wheel arches, sills, floor pans), oil leaks (engine, gearbox, differential), weak clutch hydraulics, carburetor tuning issues, ignition system maintenance, electrical gremlins, wear in suspension and steering components. 📚 Vehicle History Brand Heritage Manufacturer: Triumph Motor Company, a British marque known for sports cars. Model Evolution Spitfire Lineage: The 1974 model is part of the Mk IV series, which saw significant updates from earlier Spitfires, including a revised chassis and body styling. 1974 Specifics: The Mk IV continued the trend towards more integrated styling and improved creature comforts, though retaining the quintessential British roadster feel. Production Production Period Mkiv: 1970-1974 Manufacturing Location: Coventry, England 🏆 Awards & Recognition Recognitions Awards: N/A (Specific awards for the 1974 model year are not commonly documented. Triumph Spitfires in general were appreciated for their affordability and sporting feel in their time.)