🏷️ Basic Information Identification Make: Triumph Model: Spitfire Year: 1966 Codes Chassis Code: Mk I 👋 Introduction Market Position Vehicle Segment: Compact convertible sports car Competitive Analysis Key Competitors Era: MG Midget, Austin-Healey Sprite Key Features Vehicle Design Philosophy: Affordable, sporty, lightweight, open-top motoring Manual Value Proposition Target User: Enthusiasts, DIY mechanics, professional restorers Manual Enhancements Instructional Aids: Numbered instructions, bold figure numbers, detailed illustrations, enlarged insets Critical Information Highlighting: Notes, cautions, and warnings 📋 Manual Details Coverage Areas Documentation Scope: Full service, repair, maintenance, rebuilding, refurbishment, restoration Page Count Estimated Page Count: N/A (Digital Download - Varies with content) Manual Type Manual Classification: Full Service Repair Manual Language Language Of Manual: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Engine Systems: Engine overhaul, tuning, carburetor service (e.g., Stromberg, SU), ignition system, cooling system, lubrication system, fuel system, exhaust system Drivetrain Systems: Transmission (manual), clutch, driveshafts, differential, rear axle Chassis Systems: Suspension (front & rear), steering system, braking system (hydraulic, drum/disc specifics), wheels and tires Electrical Systems: Wiring diagrams, lighting, instrumentation, starter, generator/alternator, battery, electrical troubleshooting Body And Frame: Body panel repair, frame inspection and repair, convertible top mechanism, trim and interior components Procedures Included Maintenance Procedures: Routine service, oil changes, filter replacements, lubrication schedules, tune-ups Repair Procedures: Detailed step-by-step repair instructions for all major vehicle systems, including engine rebuilds, transmission overhauls, suspension repairs, brake servicing Diagnostic Procedures: Troubleshooting guides, common fault diagnosis, electrical fault finding Rebuilding Refurbishment: Comprehensive guidance for engine, gearbox, and component rebuilding/refurbishment Technical Depth Diagnostic Capability: Advanced diagnostics, electrical tracing, component testing Rebuild Level: Full engine, gearbox, and differential rebuilds Information Source: Prepared for professional technicians, suitable for advanced DIY mechanics 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: Full Printable Binding Type Digital Binding: N/A (Digital Download) Paper Type Physical Format Reference: N/A (Digital Download - simulate paper printing) Software Requirements Reader Software: Adobe PDF Reader Archive Software: WinRAR Compatibility Operating Systems: All Versions of Windows & Mac Delivery Delivery Method: Instant Download ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-cylinder, OHV Engine Code Approximate: Gainsborough G type (early models) Displacement: 1098 cc (1.1 Litre) Performance Horsepower Approximate: 57 bhp @ 5500 rpm (SAE Gross) Torque Approximate: 66 lb-ft @ 3000 rpm (SAE Gross) Fuel System Carburetor Configuration: Single or Twin Stromberg CD150 / SU H.A. series Fuel Type: Unleaded or Leaded Gasoline (depending on original specification and engine modifications) Cooling System Cooling Type: Water-cooled 🔧 Transmission Standard Transmission Type: 4-speed Manual Optional Optional Gearbox: None offered for 1966 model year Features Gearbox Layout: Transaxle design (gearbox and differential combined) Clutch Type: Single dry plate, hydraulically actuated 📐 Dimensions Exterior Wheelbase: approx. 82 inches (2083 mm) Length: approx. 143 inches (3632 mm) Width: approx. 56.5 inches (1435 mm) Height: approx. 47.5 inches (1207 mm) (to top of windscreen) Weights Curb Weight: approx. 1500-1600 lbs (680-726 kg) 🛡️ Safety Features Ratings Crash Test Ratings: N/A (Vintage vehicle, pre-dates standardized crash testing) Active Features Braking System Front: Disc Brakes (optional initially, became standard) Braking System Rear: Drum Brakes Passive Features Seat Belts: Optional, often retrofitted 💡 Technology Features Infotainment Infotainment System: Basic radio (optional), mechanical gauges 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000 miles or 6 months (with periodic checks) Tune Up Frequency: As needed, or every 6,000 - 12,000 miles depending on conditions and driving style Fluid Specifications Engine Oil Grade Recommendation: 10W/30 or 20W/50 (depending on climate and oil type - consult manual for specifics) Coolant Type: Water with anti-freeze/anti-corrosion additives Brake Fluid Type: DOT 3 or DOT 4 (depending on original specification and seal compatibility) Gearbox Oil Type: EP 90 Gear Oil (or equivalent, consult manual) Known Issues Common Mechanical Problems: Carburetor adjustment and synchronization, ignition timing issues, weak clutch actuation, potential oil leaks, suspension bush wear Common Electrical Problems: Fraying wiring looms, inconsistent lighting, starter motor issues, generator output problems Body Rust Prone Areas: Wheel arches, sills, floor pans, rear spring mounts, around windows 📚 Vehicle History Brand Heritage Parent Company Era: British Leyland (though Triumph was a marque within it) Model Evolution Spitfire Introduction Year: 1962 1966 Model Updates: Refinements from earlier models, typically including minor cosmetic and mechanical tweaks over Mk I progression. Production Production Location: Coventry, England 🏆 Awards & Recognition Recognitions Market Reception: Popular entry-level sports car of its era, praised for its styling and driving feel