🏷️ Basic Information Identification Make: Jaguar Model: 420 Model Code: 420 Generation Production Years: 1966-1968 Codes Chassis Code: 420G (though this catalogue is for the 420 model) 👋 Introduction Market Position Segment: Luxury Saloon Era: Late 1960s British luxury automotive market Competitive Analysis Key Competitors: Rolls-Royce Silver Shadow, Bentley T-series, Mercedes-Benz W108/W109, Rover P6 3500 Key Features Design Philosophy: Elegant styling, powerful straight-six engine, comfortable ride, and traditional British luxury appointments Distinguishing Features: Independent rear suspension (IRS), often featured independent front suspension, and typically a Jaguar straight-six engine 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive parts identification and listing Page Count Estimated Page Count: 200-300 (estimated for a comprehensive parts catalog of this era) Manual Type Type: Spare Parts Catalogue Language Language: English Format Format: Printed Booklet/Bound Volume 📖 Manual Coverage Systems Covered Engine Components: Cylinder head, block, pistons, crankshaft, camshaft, valves, cooling system, lubrication system, fuel delivery (carburetors/injection), ignition system, exhaust system Transmission Drivetrain: Manual and Automatic gearbox components, clutch, driveshafts, differential, axles Chassis Suspension Steering: Front suspension (independent, wishbones, torsion bars, dampers), rear suspension (independent, trailing arms, dampers), steering rack, column, linkages, kingpins, bushings Brakes: Disc brake components (calipers, discs, pads), drum brake components (wheel cylinders, shoes, drums), master cylinder, brake servo (Girling/Dunlop), brake lines, parking brake system Bodywork Exterior: Body panels (hood, doors, fenders, roof, trunk lid), glass, seals, trim, bumpers, grille, lighting (headlights, taillights, indicators), wipers, washer system Bodywork Interior: Seats, dashboard, instruments, controls, steering wheel, interior trim panels, carpets, headlining, heating and ventilation systems, upholstery Electrical System: Wiring harnesses, battery, starter motor, alternator, ignition coil, distributor, lighting circuits, switches, fuses, relays, instrumentation lighting, horn Wheels Tires: Wheel assemblies, hubcaps, tire specifications Procedures Included Part Identification: Illustration-based identification of all factory-supplied parts with corresponding part numbers Supersession Information: Likely includes cross-references for superseded part numbers Technical Depth Depth: Detailed part breakdowns for all major assemblies and sub-assemblies, facilitating accurate parts ordering for repairs and restoration 📊 Manual Specifications File Format Digital Format Availability: Typically printed, but digital scans (PDF) may exist Print Quality Print Quality: High-quality paper with clear, crisp line drawings and legible text (typical for official Jaguar publications) Binding Type Binding: Often spiral-bound or stitched for lay-flat use in workshops Paper Type Paper Type: Durable, often semi-gloss paper to withstand workshop conditions ⚙️ Engine Specifications Primary Engine Engine Type: XK Straight-Six Displacement Liters: 4.2 Bore X Stroke Mm: 92.07 x 101.6 Compression Ratio: 8.0:1 or 8.5:1 (depending on market/variant) Performance Horsepower Net Bhp: 245 bhp @ 5,500 rpm Torque Net Lb Ft: 283 lb-ft @ 3,500 rpm Fuel System Carburetion: Twin Zenith-Stromberg CD-2 or SU HD8 carburetors Fuel Type: Premium Unleaded Gasoline Ignition System Type: Coil and Distributor (Lucas) 🔧 Transmission Standard Type: 3-speed Automatic (Borg-Warner Model 35) Optional Type: 4-speed Manual with Overdrive (Moss or Laycock-de Normanville) Features Gear Ratios Auto: Specific ratios vary by BW 35 model, typically around 2.45:1, 1.45:1, 1.00:1 Gear Ratios Manual Overdrive: Specific ratios vary, but overdrive typically provides a lower cruising ratio Fluid Specification Automatic Transmission Fluid: Dexron II or equivalent 📐 Dimensions Exterior Length Mm: 4953 Width Mm: 1778 Height Mm: 1360 Wheelbase Mm: 2819 Front Track Mm: 1429 Rear Track Mm: 1359 Weights Kerb Weight Kg: 1625 (approx. depending on transmission) Gross Vehicle Weight Kg: 2000 (approx.) Wheels Tires Standard Tire Size: 6.40 x 15 or 185 VR 15 Wheel Bolt Pattern: 5 x 4.5 inch (5 x 114.3 mm) Wheel Size: 15 inch 🛡️ Safety Features Ratings Crash Test Data: No formal crash test data available from modern standardized testing agencies for this era of vehicle. Active Features Braking System Type: Girling hydraulic disc brakes, servo-assisted Front Brake Size Mm: 11.5 inch (292 mm) Rear Brake Size Mm: 10.5 inch (267 mm) Passive Features Seatbelts: Likely lap belts in the front, lap belts in the rear (optional three-point belts may have been available) Steering Column: Collapsible steering column (introduced in later Jaguar models of this period) Body Construction: Body-on-chassis construction with integrated safety cell elements. 💡 Technology Features Infotainment Radio Type: Optional period AM/FM radio with push-button tuning Speaker Configuration: Typically two front speakers, optional rear speakers Driver Assistance Power Steering: Standard (Marles VDU or Burman recirculating ball) Brake Servo: Standard (Girling or Dunlop) Connectivity Availability: None by modern standards; vehicle-centric technology only 🔧 Maintenance Service Intervals Oil Change Miles Km: 3,000-5,000 miles (4,800-8,000 km) or 6 months Grease Points Miles Km: Regular lubrication of suspension and steering components (often weekly/monthly in period usage) Valve Clearance Check Miles Km: 12,000 miles (19,000 km) Fluid Specifications Engine Oil Grade: SAE 20W-50 (or 10W-30/10W-40 depending on climate, often Castrol GTX equivalent) Engine Oil Capacity Liters: 6.8 liters (with filter change) Coolant Type: Ethylene Glycol based antifreeze (50/50 mix with water) Brake Fluid Type: DOT 3 or DOT 4 Rear Axle Fluid Type: EP 90 Gear...