🏷️ Basic Information Identification Make: Chevrolet Model: Corvette Year: 1979 Sub Model: 427 Big Block (referred to in product name, though 1979 models typically featured L48/L82 Small Blocks or the LS4 454 Big Block for specific markets; manual coverage likely encompasses these) Codes Vin Prefix: 1G111 Engine Code Primary: L48 (350 ci) Engine Code Optional: L82 (350 ci), LS4 (454 ci - for specific export markets or limited production) 👋 Introduction Market Position Segment: American Sports Car Icon Target Audience: Enthusiast owners, mechanics, restorers Competitive Analysis Contemporaries: Porsche 924/928, Datsun 280Z, Jaguar XJS, BMW M models Key Features Design Era: Third generation (C3) Corvette, final year of significant updates for this generation Performance Focus: V8 power, rear-wheel drive, sports suspension Distinctive Styling: Long hood, short deck, aggressive stance, removable T-tops 📋 Manual Details Coverage Areas All Models Engines Trims Transmissions: Yes Page Count Estimated Page Count: 1000+ Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Engine overhaul, diagnostics, fuel system, ignition system, cooling system, lubrication system, emission control systems (e.g., EGR, PCV), exhaust system Transmission: Manual (Muncie/BorgWarner) and Automatic (Turbo Hydramatic TH400) transmission overhaul, diagnostics, service procedures, fluid specifications Drivetrain: Rear axle overhaul, driveshaft, CV joints (if applicable, though less common on C3s for RWD), U-joints, wheel bearings Suspension: Front independent suspension (upper/lower control arms, ball joints, steering knuckle, coil springs), rear independent suspension (trailing arms, transverse leaf spring, camber rods, differential carrier) Steering: Power steering system overhaul, steering box, tie rods, steering linkage, steering column Brakes: Front disc brakes (power assist), rear disc brakes, master cylinder, brake lines, parking brake system, hydraulic circuits Electrical: Wiring diagrams, charging system (alternator, regulator), starting system (starter motor, solenoid), ignition system components, lighting system, gauges and instruments, power windows, power locks, radio, accessories Body: Body panel removal and installation, doors, hood, T-tops (if equipped), glass, bumpers, interior trim, weatherstripping Chassis: Frame inspection, body mounts, lubrication points Procedures Included Maintenance: Routine maintenance, oil changes, filter replacements, spark plug replacement, tune-ups, fluid level checks and changes, lubrication Troubleshooting: Diagnostic charts for common issues, electrical fault finding, engine performance problems, braking system issues Repair: Component disassembly, inspection, repair, and reassembly for all major systems Rebuild: Complete engine, transmission, and differential rebuild procedures Installation: Installation procedures for replacement parts and accessories Technical Depth Depth: Comprehensive (from basic maintenance to complete engine/transmission rebuilds and advanced diagnostics) 📊 Manual Specifications File Format Quality: High-resolution, searchable PDF Printable: Printable pages Print Quality Clarity: Professional, clear diagrams and text Binding Type Type: N/A (Digital Download) Paper Type Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Name: 350 ci V8 (L48) Displacement: 5.7 Liters (350 cubic inches) Bore X Stroke: 4.00 in x 3.48 in (101.6 mm x 88.4 mm) Compression Ratio: 8.2:1 Horsepower Gross: 195 hp @ 4800 rpm Torque Gross: 285 lb-ft @ 3200 rpm Optional Engine L82 Name: 350 ci V8 (L82) Displacement: 5.7 Liters (350 cubic inches) Compression Ratio: 8.9:1 Horsepower Gross: 225 hp @ 4800 rpm Torque Gross: 290 lb-ft @ 3200 rpm Optional Engine Ls4 Name: 454 ci V8 (LS4) (Less Common for US market 1979) Displacement: 7.4 Liters (454 cubic inches) Compression Ratio: 8.0:1 Horsepower Gross: 210-225 hp @ 3600-4000 rpm (varies by application) Torque Gross: 360-370 lb-ft @ 2800-3200 rpm (varies by application) Fuel System Carburetion: Rochester Quadrajet 4-barrel carburetor (all engines) Fuel Type: Unleaded gasoline Ignition System Type: Electronic Ignition (GM HEI - High Energy Ignition) 🔧 Transmission Standard Type: Muncie M20/M21 4-speed Manual (optional, often RPO M20/M21) Gear Ratios Manual: Typically around 2.52:1 (1st), 1.88:1 (2nd), 1.42:1 (3rd), 1.00:1 (4th), 2.73:1 (Reverse - M20) Optional Type: Turbo Hydramatic TH400 3-speed Automatic (standard on L48, optional on others) Gear Ratios Automatic: Typically around 2.48:1 (1st), 1.48:1 (2nd), 1.00:1 (3rd) Features Clutch Type: Single dry plate (for manual transmission) Fluid Type Automatic Transmission Fluid: Dexron III (or equivalent) Manual Transmission Fluid: GL-4 Gear Oil (e.g., SAE 80W-90) 📐 Dimensions Exterior Length: 185.1 in (4701.5 mm) Width: 70.8 in (1798.3 mm) Height: 47.9 in (1216.7 mm) Wheelbase: 98.0 in (2489.2 mm) Front Track: 59.6 in (1513.8 mm) Rear Track: 61.6 in (1564.6 mm) Weights Curb Weight: Approx. 3400-3600 lbs (1542-1633 kg) depending on engine and options Gross Vehicle Weight Rating: Approx. 4200 lbs (1905 kg) Front Weight Distribution Percentage: Approx. 50-52% 🛡️ Safety Features Ratings NHTSA Crash Test Results: N/A (No standardized ratings for this era) Active Features Braking System: Power assisted four-wheel disc brakes Steering System: Power steering Passive Features Seat Belts: Three-point retractable front seat belts, lap belts for passengers Steering Column: Collapsible steering column Windshield: Laminated safety glass Side Windows: Tempered safety glass 💡 Technology Features Infotainment Audio System: AM/FM radio, optional 8-track player or cassette player Gauges And Instruments: Speedometer, tachometer, fuel gauge, oil pressure gauge, coolant temperature...