🏷️ Basic Information Identification Make: Chevrolet Model: Corvette Year: 1972 Sub Model: 427 / 454 Codes Vin Code: 1YZ07... Engine Codes: LS5 (454 ci), LS6 (454 ci - high performance) 👋 Introduction Market Position Era: Iconic American muscle car of the early 1970s Target Audience: Enthusiasts, collectors, and owners of the 1972 Corvette 427/454 seeking in-depth repair and maintenance information Competitive Analysis Niche: Highly specialized manual for a specific, performance-oriented variant of a legendary sports car Key Features Manual Value: Essential for maintaining and restoring the powerful LS5 and LS6 big-block engines and complex C3 chassis 📋 Manual Details Coverage Areas Covered Models: All 1972 Chevrolet Corvette models (C3 generation) Covered Engines: 454 cubic inch V8 (LS5 and LS6 variants) Covered Transmissions: Muncie M20, M21, M22 4-speed manual; Turbo Hydramatic 400 (THM400) automatic Covered Trims: All trim levels Page Count Estimated Pages: 600+ Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Systems: Engine assembly, disassembly, tuning, lubrication, cooling, fuel delivery (carburetor), ignition, emissions control Transmission Systems: Manual and automatic transmission overhaul, clutch service, driveshaft, differential Braking Systems: Hydraulic system, front disc brakes, rear drum brakes, parking brake Suspension Steering: Front independent suspension, rear independent suspension (IRS), steering gear, power steering system Electrical Systems: Wiring diagrams, charging system, starting system, lighting, instruments, accessories, horn, windshield wipers Body Chassis: Frame, body panels, doors, windows, interior trim, bumpers, weatherstripping HVAC Systems: Heating, ventilation, and air conditioning (if equipped) Procedures Included Maintenance Procedures: Oil changes, filter replacements, spark plug service, tune-ups, fluid checks and flushes, lubrication points Repair Procedures: Engine rebuild, transmission overhaul, brake caliper replacement, suspension component replacement, electrical component repair Troubleshooting Diagnostics: Symptom-based diagnostics, diagnostic charts, electrical troubleshooting guides Special Tools: Identification and usage of specialized tools required for specific repairs Technical Depth Depth: Comprehensive, covering everything from routine maintenance to complete engine and transmission rebuilds Detail Level: Detailed step-by-step instructions with torque specifications, clearances, and diagrams 📊 Manual Specifications File Format File Type: Digital PDF Searchability: Searchable text content for quick information retrieval Printability: Printable pages for hands-on use in the workshop Print Quality Image Resolution: High-resolution images and diagrams Binding Type Binding: N/A (Digital PDF) Paper Type Paper Quality: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type Ls5: Overhead Valve (OHV) V8 Displacement Ls5: 454 cubic inches (7.4 Liters) Bore X Stroke Ls5: 4.25 in x 4.00 in Compression Ratio Ls5: 8.5:1 Horsepower Ls5: 365 hp @ 4,750 rpm Torque Ls5: 490 lb-ft @ 3,200 rpm Engine Type Ls6: Overhead Valve (OHV) V8 Displacement Ls6: 454 cubic inches (7.4 Liters) Compression Ratio Ls6: 10.25:1 (High Performance) Horsepower Ls6: 425 hp @ 5,600 rpm Torque Ls6: 475 lb-ft @ 4,000 rpm Performance Carburetion Ls5: Rochester Quadrajet 4-barrel carburetor Carburetion Ls6: Holley 850 CFM 4-barrel carburetor Fuel System Fuel Type: Premium Unleaded Gasoline Fuel Pump: Mechanical 🔧 Transmission Standard Type: Muncie M20 Wide-Ratio 4-Speed Manual Optional Manual Options: Muncie M21 Close-Ratio 4-Speed Manual, Muncie M22 'Rock Crusher' 4-Speed Manual (Heavy Duty) Automatic Option: Turbo Hydramatic 400 (THM400) 3-Speed Automatic Features Clutch Type: Single Dry Plate Rear Axle Ratio: Varies by transmission and option (e.g., 3.08, 3.36, 3.55, 4.10) 📐 Dimensions Exterior Length: 175.1 inches Width: 69.0 inches Height: 47.8 inches Wheelbase: 98.0 inches Weights Curb Weight: Approx. 3,200 - 3,400 lbs (varies by engine and options) Gross Vehicle Weight Rating: Approx. 3,700 lbs 🛡️ Safety Features Ratings Crash Test Data: N/A (Testing standards were different in 1972) Active Features Brakes: Front disc, rear drum Steering: Recirculating ball, optional power steering Passive Features Seatbelts: Standard lap belts Rollover Protection: N/A (T-top roof structure) 💡 Technology Features Infotainment Audio System: AM/FM Radio (optional AM/FM/CB) Speakers: Standard (typically 2) Driver Assistance Features: N/A (No electronic driver assistance systems common to modern vehicles) 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 miles or 6 months (recommended for classic cars) Transmission Fluid Change: Every 24,000 miles or 24 months Spark Plug Replacement: Every 20,000 - 30,000 miles Fluid Specifications Engine Oil Type: API SF or SG, SAE 10W-30 or 10W-40 recommended (consult manual for specific viscosity grades based on climate) Engine Oil Capacity: 5 quarts with filter Transmission Fluid Type Manual: GL-4 Gear Oil (e.g., SAE 80W-90) Transmission Fluid Type Automatic: Dexron III (or equivalent) Coolant: 50/50 mix of ethylene glycol antifreeze and distilled water Known Issues Engine Ls5 Ls6: Carburetor tuning, potential for oil leaks, valve guide wear, ignition system reliability Suspension Steering: Ball joint wear, power steering leaks, bushing deterioration Electrical: Wiring harness degradation, voltage regulator issues, gauge inaccuracies Body Chassis: Fiberglass cracks or stress marks, weatherstripping deterioration, rust in common areas (though less prevalent on Corvettes) 📚 Vehicle History Brand Heritage Founding: Chevrolet, division of General Motors, founded 1911 Model Evolution Generation: C3 Generation (1968-1982) 1972 Specifics: Last year...