🏷️ Basic Information Identification Make: Mazda Model: RX-7 Generation: 1st Gen (SA22C) Year: 1979 Codes Chassis Code: SA22C Engine Code Primary: 12A 👋 Introduction Market Position Class: Compact Sports Car Segment: Affordable Sports Coupe Competitive Analysis Key Competitors: Datsun Z-cars (e.g., 280Z), Toyota Celica GT, Fiat X1/9 Key Features Unique Selling Proposition: Lightweight chassis, balanced rotary engine, distinctive styling, affordable performance 📋 Manual Details Coverage Areas Coverage Scope: All Models & All Repairs A-Z Dealer Specific: Exact same manual used by dealership technicians Page Count Estimated Pages: Comprehensive (Specific page count not provided, but expected to be extensive for A-Z coverage) Manual Type Type: Service and Repair Manual Language Language: English Format Format: Likely Printed (common for this era of service manuals, could be digital facsimile) Print Quality: High-quality reproduction of original dealer documentation Binding Type: Likely Perfect Bound or Spiral Bound (for ease of use) Paper Type: Durable paper stock suitable for workshop environments Searchable: If digital format (PDF), likely searchable text. If original print, indexing and a good table of contents are key. 📖 Manual Coverage Systems Covered Engine: Rotary engine (12A) disassembly, assembly, diagnostics, lubrication, cooling, fuel, ignition Transmission: Manual transmission (4-speed and optional 5-speed), clutch system, drivetrain Brakes: Front disc brakes, rear drum brakes, hydraulic system, parking brake Suspension: Front MacPherson struts, rear solid axle with Watt's linkage, steering system Electrical: Wiring diagrams, charging system, starting system, lighting, instrumentation, accessories Bodywork: Body panel removal and installation, interior trim, glass, seals Emissions Control: Components and troubleshooting related to emissions systems of the period. Fuel Delivery: Carburetor overhaul, fuel pump testing, fuel line routing. Procedures Included Maintenance: Routine oil changes, filter replacements, tune-ups, fluid checks, belt adjustments Troubleshooting: Diagnostic charts, symptom analysis, component testing procedures Repair: Component replacement, adjustments, rebuilding procedures for engine, transmission, brakes, etc. Diagnostics: Detailed diagnostic steps for common and uncommon issues specific to the 12A rotary engine and vehicle systems Engine Timing: Ignition timing specifications and adjustment procedures. Suspension Alignment: Alignment specifications and adjustment procedures for front and rear suspension. Technical Depth Depth: Complete rebuild procedures, detailed component specifications, torque values, and clearances Engine Rebuild: Detailed procedures for rotor housing, eccentric shaft, seals, and lubrication systems. Electrical Diagnostics: Comprehensive wiring diagrams, component location, and troubleshooting flowcharts. Chassis Repair: Body repair techniques, frame straightening (if applicable), welding guidelines. ⚙️ Engine Specifications Primary Engine Type: Rotary (Wankel) Configuration: Two-Rotor Displacement Cc: 1146 (573 x 2 rotors) Bore Mm: 70 Stroke Mm: 75 Performance Horsepower Hp: 100-110 (SAE Gross, depending on specific market and emissions controls) Torque Lb Ft: 105-115 (SAE Gross, depending on specific market and emissions controls) Fuel System Induction: Carburetor (e.g., Hitachi twin-choke) Fuel Type: Unleaded Gasoline 🔧 Transmission Standard Type: 4-speed Manual Optional Type: 3-speed Automatic (less common) Features Clutch Type: Dry Single Plate 📐 Dimensions Exterior Length Mm: 4200 Width Mm: 1640 Height Mm: 1260 Wheelbase Mm: 2430 Front Track Mm: 1360 Rear Track Mm: 1370 Weights Curb Weight Kg: approx. 1060-1100 Gross Vehicle Weight Kg: approx. 1400 🛡️ Safety Features Ratings Historical Rating Comment: NHTSA/IIHS ratings not applicable to this era in the modern sense; emphasis on passive restraint systems of the time. Active Features Braking System: Front Vented Disc, Rear Drum Steering: Rack and Pinion Passive Features Seat Belts: Three-point front seat belts Structure: Integrated roll bar within windshield frame, reinforced chassis 💡 Technology Features Infotainment Radio: AM/FM radio, likely with cassette player option on later models. Driver Assistance Features: None (this era predates most modern driver assistance systems) 🔧 Maintenance Service Intervals Oil Change: Typically every 3,000 miles or 3 months (consult manual for exact specification) Spark Plugs: Rotary specific (e.g., two per rotor housing), interval varies based on type (platinum recommended). Coolant Flush: Every 24,000 miles or 24 months Fluid Specifications Engine Oil: API SG or SH, SAE 10W-30 or 10W-40 (specific viscosity may vary with climate; consult manual) Coolant: Ethylene glycol based, 50/50 mix with distilled water Brake Fluid: DOT 3 or DOT 4 Transmission Fluid Manual: API GL-4, SAE 75W-90 or 80W-90 gear oil Rear Axle Fluid: API GL-5, SAE 80W-90 hypoid gear oil Known Issues Apex Seals: Wear and failure of apex seals is a primary concern for high-mileage rotary engines. Carburetor: Tuning and maintenance of the twin-choke carburetor can be complex. Rust: Common for vehicles of this era, particularly in areas exposed to road salt. Cooling System: Rotary engines run hotter; ensuring proper coolant flow and radiator condition is crucial. 📚 Vehicle History Brand Heritage Manufacturer Origin: Japan Rotary Pioneering: Mazda's long-standing commitment and innovation with the Wankel rotary engine. Model Evolution Introduction Year: 1978 (Global), 1979 (North America) Design Philosophy: Lightweight, compact, rear-wheel-drive sports coupe with an emphasis on handling and driver engagement. Production Production Period: 1978-1985 (1st Gen SA22C) Manufacturing Plant: Hofuku Plant, Hiroshima, Japan 🏆 Awards & Recognition Recognitions Motor Trend...