🏷️ Basic Information Identification Make: Triumph Model: Spitfire Year: 1973 Codes Chassis Code: Mk IV 👋 Introduction Market Position Target Audience: Owners and mechanics undertaking repair, refurbishment, and restoration of the Triumph Spitfire 1973 Competitive Analysis Value Proposition: Offers comprehensive, professional-level repair information for a classic British sports car, delivered instantly Key Features Manual Highlights: Detailed sub-steps, notes/cautions/warnings, numbered instructions, bold figure numbers, detailed illustrations, enlarged insets, easy-to-use table of contents, combined troubleshooting and wiring diagrams 📋 Manual Details Coverage Areas Scope: Full service and repair Page Count Estimated Pages: Hundreds (typical for comprehensive repair manuals, exact count not specified) Manual Type Type: Full Service Repair Manual Language Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine, transmission, clutch, driveshaft, rear axle Chassis: Suspension (front and rear), steering, brakes (front disc, rear drum), wheels, tires Electrical: Wiring diagrams, ignition system, lighting, charging system, starting system, instrumentation Bodywork: Body panels, doors, windows, convertible top, interior trim Procedures Included Maintenance: Scheduled maintenance, fluid changes, lubrication, filter replacement Repair: Engine overhaul, transmission rebuild, brake system repair, suspension component replacement, electrical system diagnostics and repair Troubleshooting: Diagnostic procedures for common and uncommon issues Technical Depth Depth: Comprehensive, suitable for professional technicians and advanced DIY mechanics; covers rebuilds and in-depth diagnostics 📊 Manual Specifications File Format Format: PDF Print Quality Printability: Full printable pages Binding Type Binding: Digital download (no physical binding) Paper Type Paper Type: N/A (digital format) ⚙️ Engine Specifications Primary Engine Engine Type: Inline-4 cylinder, OHV Displacement: 1493 cc (91.1 cubic inches) Bore X Stroke: 73.7 mm x 86.4 mm (2.90 in x 3.40 in) Compression Ratio: 8.5:1 (typical, may vary slightly) Performance Horsepower Gross Est: 71 hp @ 5000 rpm Torque Gross Est: 82 lb-ft @ 3000 rpm Fuel System Carburetion: 2 x Stromberg CD150 (or similar SU carburetors) twin-choke Fuel Type: Unleaded gasoline (recommended, though leaded was common in era) 🔧 Transmission Standard Type: 4-speed manual Optional Type: None specified for 1973 model year Features Gear Ratios: Specific ratios covered in manual Fluid Type: GL-4 Gear Oil (e.g., Pennzoil Synchromesh or equivalent, consult manual for exact specs) 📐 Dimensions Exterior Length: Approx. 150.0 inches (3810 mm) Width: Approx. 57.5 inches (1460 mm) Height: Approx. 48.0 inches (1220 mm) Wheelbase: 77.0 inches (1956 mm) Weights Curb Weight: Approx. 1830 lbs (830 kg) 🛡️ Safety Features Ratings Era Standards: Met safety standards of its time; lacks modern safety ratings Active Features Braking System: Front: Disc brakes; Rear: Drum brakes Passive Features Seat Belts: Standard (lap belts typically) Rollover Protection: No integrated rollover protection; a roll bar may be a desirable aftermarket addition 💡 Technology Features Infotainment Audio System: Typically an AM/FM radio with a single speaker; aftermarket upgrades are common Driver Assistance Features: None; vehicle is from an era preceding modern driver assistance systems. Connectivity Features: None; no provisions for modern connectivity. 🔧 Maintenance Service Intervals Oil Change: Typically every 3,000 miles or 6 months (consult manual for exact specification for the 1493cc engine) Tune Up: Recommended annually or as needed, covering spark plugs, ignition timing, carburetor synchronization, and filter checks Fluid Specifications Engine Oil Type: e.g., SAE 20W-50 or 10W-40 (specific viscosity depends on ambient temperature, refer to manual) Engine Oil Capacity: Approx. 5.5 US quarts (5.2 Liters) with filter change Coolant Type: Ethylene glycol-based antifreeze/coolant mixed with distilled water (50/50) Brake Fluid Type: DOT 3 or DOT 4 (consult manual for preferred specification) Known Issues Common Wear Items: Brake system components (lines, master cylinder), clutch hydraulics, suspension bushings, rocker arm wear, carburetor tuning issues Rust Prone Areas: Wheel arches, sills (rocker panels), floor pans, boot floor, chassis outriggers 📚 Vehicle History Brand Heritage Manufacturer: Triumph Motor Company, a historically significant British manufacturer known for sports cars Model Evolution Generations: The 1973 model is part of the Mk IV generation, which saw significant updates from earlier Spitfire models, including a revised chassis and bodywork. Production Production Years: Triumph Spitfire production ran from 1962 to 1980. The Mk IV was produced from 1970 to 1974. 🏆 Awards & Recognition Recognitions Historical Reputation: The Spitfire is a celebrated classic British sports car, cherished for its nimble handling, open-top motoring experience, and affordable entry into classic car ownership.