🏷️ Basic Information Identification Make: Triumph Model: Stag Model Code: Unknown (Manual Specific) Product Type: Repair Operations Manual Generation Vehicle Generation: Mark I / Mark II Codes Manufacturer Part Number: Likely RN/105/2 or similar for original publication 👋 Introduction Market Position Vehicle Class: Luxury Grand Tourer (GT), Convertible Sports Car Target Demographic: Affluent individuals seeking a stylish, powerful, and comfortable convertible. Competitive Analysis Key Competitors: Jaguar E-Type, MGB GT V8, Jensen Interceptor, Alfa Romeo GTV, Mercedes-Benz SL models. Key Features Unique Selling Points: V8 engine, 2+2 seating, stylish Italianate design (Bertone influenced), convertible and hardtop options, luxurious interior appointments. Brand Image: British sports car heritage, performance, elegance. 📋 Manual Details Coverage Areas General Coverage: Comprehensive repair and maintenance procedures for the Triumph Stag. Specific Systems Covered: Engine, Fuel System, Cooling System, Ignition System, Exhaust System, Clutch, Gearbox, Overdrive (Laycock de Normanville), Propeller Shaft, Rear Axle, Suspension (Front and Rear), Steering, Brakes, Electrical System, Bodywork, Trim, Heating System, Convertible Top Mechanism. Page Count Estimated Page Count: Approximately 300-400 pages (typical for comprehensive operations manuals of this era). Manual Type Manual Type: Repair Operations Manual / Workshop Manual Language Language: English Format Format: Likely originally printed, potentially available as PDF reproduction. 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed stripping, inspection, assembly, and testing of the Triumph 3.0 Litre V8 (Triumph V8 engine). Engine Fuel System: Carburettor overhaul (Stromberg CD series), fuel pump servicing, fuel line routing and checks. Engine Cooling System: Radiator, water pump, thermostat, hoses, coolant specifications and capacities. Engine Ignition System: Distributor settings, spark plug specifications, coil and wiring checks. Transmission Manual: Gearbox and overdrive disassembly, assembly, adjustments, and fluid specifications. Braking System: Front disc brake caliper overhaul, rear drum brake adjustments, hydraulic system bleeding, fluid specifications (DOT). Electrical System: Wiring diagrams, component testing, starter motor, alternator, lighting, dashboard instrumentation. Suspension Steering: Front independent suspension (wishbones, coil springs), rear live axle and trailing links, steering rack and column. Procedures Included Routine Maintenance: Oil change intervals, lubrication points, filter replacements, spark plug gaps, ignition timing. Major Repairs: Engine rebuilds, gearbox rebuilds, clutch replacement, suspension overhaul, brake system overhauls. Troubleshooting: Diagnostic charts for common faults and their rectification. Adjustment Procedures: Carburettor synchronization and mixture, ignition timing, valve clearances, handbrake adjustment, door alignment. Technical Depth Depth Of Coverage: Highly detailed, suitable for professional mechanics and experienced enthusiasts. Covers complete disassembly and reassembly. Diagnostic Information: Includes troubleshooting guides and common problem diagnosis. Schematics Diagrams: Likely includes detailed wiring diagrams and exploded views of major components. 📊 Manual Specifications File Format Digital File Format: PDF (if reproduction) Print Quality Original Print Quality: Typical for the era - black and white line drawings, some halftones. Binding Type Original Binding: Likely perfect bound or stapled depending on original publisher. Paper Type Original Paper Type: Standard paper, potentially glossy for diagrams. ⚙️ Engine Specifications Primary Engine Engine Type: Overhead Valve (OHV) V8 Engine Code: Triumph 3.0 Litre V8 (Triumph V8) Displacement: 3000 cc (182 cu in) Bore X Stroke: 83.2 mm x 71.1 mm (3.28 in x 2.80 in) Compression Ratio: 8.5:1 (typical) Performance Horsepower: 144 bhp (107 kW) at 5000 rpm (approx.) Torque: 170 lb-ft (230 Nm) at 3000 rpm (approx.) Fuel System Carburetion: Twin Stromberg CD175 Constant Velocity Carburetors Fuel Type: Unleaded Petrol (Super Unleaded historically) Cooling System Coolant Type: Ethylene Glycol based antifreeze/coolant mixture (as specified in manual). Coolant Capacity: Approximately 16 pints (7.3 Litres). 🔧 Transmission Standard Transmission Type: 3-speed Automatic (Borg-Warner Model 65) Optional Transmission Type: 4-speed Manual with Overdrive (Laycock de Normanville J-Type) Features Gear Ratios Manual: 1st: 2.82:1, 2nd: 1.72:1, 3rd: 1.00:1, 4th (Overdrive): 0.79:1, Reverse: 3.41:1 (approximate) Gear Ratios Automatic: 1st: 2.45:1, 2nd: 1.45:1, 3rd: 1.00:1, Reverse: 2.20:1 (approximate) Transmission Fluid Automatic: Type 'A' Suffix A or Dexron II (as specified in manual). Transmission Fluid Manual: GL4 Hypoid Gear Oil (e.g., EP 80/90). Overdrive Engagement: Electrical switch on gear lever (manual models). 📐 Dimensions Exterior Length: 4538 mm (178.7 inches) Width: 1689 mm (66.5 inches) Height: 1283 mm (50.5 inches) Wheelbase: 2438 mm (96.0 inches) Front Track: 1359 mm (53.5 inches) Rear Track: 1334 mm (52.5 inches) Weights Kerb Weight: Approx. 1330 kg (2932 lbs) for manual, 1380 kg (3042 lbs) for automatic. Gross Vehicle Weight: Not explicitly specified, but typically around 1750 kg. Wheels Tires Standard Wheel Size: 15-inch steel wheels with hubcaps or optional alloy wheels. Standard Tire Size: 185 HR 15 (or equivalent radial construction). Wheel Bolt Pattern: 4 x 114.3 mm (4.5 inch) PCD. 🛡️ Safety Features Ratings Crash Test Ratings: No official modern crash test ratings available for this era of vehicle. Active Features Braking System Type: Front: Girling 2-piston hydraulic disc brakes. Rear: Lockheed drum brakes. Steering System: Burman recirculating ball steering box, often with power assistance as an option. Passive Features Seat Belts: Typically fitted with front lap and diagonal seat belts,...