🏷️ Basic Information Identification Make: Datsun Model: 280Z Model Code: S30 (Fairlady Z/280Z) Model Variant: 280Z Year: 1977 👋 Introduction Market Position Vehicle Class: Sports Car / Grand Tourer Target Audience: Enthusiasts, owners seeking to maintain or restore their classic Datsun 280Z. Competitive Analysis Key Competitors: Chevrolet Corvette, Porsche 924/911 (early models), Jaguar E-Type (later models), BMW 3-Series (E21). Key Features Design Philosophy: Stylish, performance-oriented coupe with a focus on driver engagement and reliability. Distinguishing Features 1977: Larger displacement engine, improved fuel injection, 5 mph bumpers (US spec) for safety regulations. 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Geographic Coverage: North America (likely, given 280Z designation) Trim Level Coverage: Likely covers all standard 1977 280Z trims Page Count Estimated Page Count: Hundreds (as stated) Manual Type Manual Type: Service Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Full overhaul, tune-up, diagnosis, repair of L28E engine. Fuel System: Bosch L-Jetronic fuel injection system components, diagnosis, and repair. Ignition System: Distributor, coils, spark plugs, wiring, electronic ignition components. Cooling System: Radiator, water pump, thermostat, hoses, fan, diagnosis. Exhaust System: Manifolds, catalytic converter (if applicable for 1977 US spec), mufflers, pipes. Transmission: 4-speed manual and 3-speed automatic transmissions: overhaul, adjustment, fluid service. Drivetrain: Driveshaft, universal joints, differential, axles. Suspension: Front struts, rear shock absorbers, springs, control arms, bushings, alignment specifications. Steering: Steering rack, tie rods, power steering system (if equipped), steering column. Brakes: Front discs, rear drums, master cylinder, brake lines, calipers, wheel cylinders, parking brake. Electrical System: Alternator, starter, battery, fuses, relays, lighting, wiring diagrams. Body And Chassis: Frame structure, body panel removal and installation, doors, windows, weatherstripping. Interior: Dashboard, seats, trim panels, instrumentation. HVAC: Heating and air conditioning system diagnosis and repair. Procedures Included Maintenance: Oil changes, filter replacements, tune-ups, lubrication, fluid checks and changes. Troubleshooting: Diagnostic procedures for common and uncommon issues, symptom-based troubleshooting. Repair: Detailed step-by-step instructions for component repair and replacement. Rebuild: Comprehensive engine, transmission, and differential rebuild procedures. Diagnostics: Engine performance diagnostics, electrical system troubleshooting. Specifications: Torque specifications, clearances, timing settings, fluid capacities. Wiring Diagrams: Detailed electrical schematics for all systems. Technical Depth Depth: Comprehensive (from basic maintenance to complete engine and transmission rebuilds). Diagnostic Tools: Information on typical diagnostic tools and methods used for the era. 📊 Manual Specifications File Format File Format: PDF Searchability: Likely text-searchable PDF for efficient information retrieval. Print Quality: High-resolution digital reproduction of original manual pages. Binding Type Binding Type: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Code: L28E Engine Type: Inline 6-cylinder, SOHC Displacement: 2753 cc (2.8 Liters) Bore X Stroke: 86.0 mm x 79.0 mm Compression Ratio: 8.3:1 Performance Horsepower: 170 hp @ 5600 rpm (US spec) Torque: 208 lb-ft @ 3200 rpm (US spec) Fuel System Fuel Delivery: Bosch L-Jetronic electronic fuel injection Fuel Type: Unleaded gasoline Ignition System Ignition Type: Electronic Ignition (Distributor with transistorized ignition) 🔧 Transmission Standard Standard Transmission: 4-speed Manual Optional Optional Transmission: 3-speed Automatic (Model: Borg-Warner AS400 or similar Nissan-developed unit) Features Clutch Type: Hydraulic, single dry plate (manual transmission) Gear Ratios Manual: Specific ratios would be detailed in the manual (e.g., 1st: 3.382, 2nd: 2.077, 3rd: 1.306, 4th: 1.000, Rev: 3.452 - typical for earlier models) Fluid Type Manual: GL-4 Gear Oil (e.g., SAE 80W-90) Fluid Capacity Manual: Approximately 2.5 Liters (refer to manual for exact capacity) Fluid Type Automatic: Dexron III or equivalent ATF Fluid Capacity Automatic: Approximately 6.5 Liters (refer to manual for exact capacity) 📐 Dimensions Exterior Wheelbase: 90.7 inches (2304 mm) Overall Length: 169.5 inches (4305 mm) Overall Width: 64.4 inches (1636 mm) Overall Height: 50.6 inches (1285 mm) Ground Clearance: Approx. 6.0 inches (152 mm) Weights Curb Weight: Approx. 3150-3250 lbs (1429-1474 kg) depending on transmission and options Gross Vehicle Weight Rating: Refer to vehicle compliance plate (typically around 4000 lbs) Wheels Tires Standard Wheel Size: 14 x 5.5 inches or 14 x 6 inches (J) steel or alloy wheels Optional Wheel Size: 15 inch alloy wheels were available Standard Tire Size: 195/70R14 (bias-ply or early radial) Wheel Bolt Pattern: 4 x 114.3 mm (4.5 inch PCD) 🛡️ Safety Features Ratings NHTSA Ratings: No specific NHTSA ratings from that era are readily available; era-appropriate safety standards applied. Active Features Brakes: Front ventilated discs, Rear drums Steering: Recirculating ball steering, optional power steering Passive Features Seatbelts: Three-point retractable front seatbelts Structure: Unibody construction with integrated safety cage elements. Bumpers: 5 mph impact-absorbing bumpers (US specification) for federal safety standards. 💡 Technology Features Infotainment Audio System: Original AM/FM radio or cassette player (likely aftermarket replacements are common). Driver Assistance Cruise Control: Optional on some models, mechanical system. Connectivity No Modern Connectivity: No integrated Bluetooth, USB, or navigation systems. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 miles or 3 months...