🏷️ Basic Information Identification Make: Porsche Model: 911 Turbo (930) Model Nickname: 930 Turbo Production Years Covered: 1976-1984 Codes Chassis Code: 930 👋 Introduction Market Position Positioning: Essential diagnostic and repair resource for Porsche 930 Turbo owners and technicians. Competitive Analysis Advantage: Vehicle-specific, dealership-level technical data, unlike generic repair guides. Key Features Documentation Type: Factory service manual equivalent. User Experience: Easy-to-use, searchable PDF format; print-on-demand capability. 📋 Manual Details Coverage Areas Primary Coverage: Complete Service and Repair Specific Models: All Porsche 911 Turbo (930) models Engine Variants: All engine variants within the 930 generation Page Count Total Pages: 3000+ Manual Type Type: Service Repair Manual Language Language: English Format File Format: PDF Delivery Method: Instant Download File Format Software Requirements: Adobe PDF Reader & WinZip Viewing Features: Zoom In/Out capability Compatibility: All Versions of Windows & Mac Print Quality Printability: All pages are printable Binding Type Binding: Digital (PDF) Paper Type Paper Type: N/A (Digital) 📖 Manual Coverage Systems Covered Engine: Overhaul, rebuilding, performance tuning, diagnosis, vacuum systems Brakes: Servicing procedures, specifications, repair Suspension: Front end alignment procedures and specifications, general suspension servicing Transmission: Removal, installation, in-car servicing Electrical: Complete wiring diagrams, trouble codes, computer diagnostic trouble tree charts Body: Sunroof servicing Climate Control: Air conditioning service and capacities Procedures Included Maintenance: Factory maintenance schedules and charts, fluid specifications Troubleshooting: Troubleshooting and diagnostics, driving concerns, computer diagnostic codes Repair: Step-by-step repair procedures for all covered systems Timing Belt: Timing belt replacement, service procedures, serpetine belt routings with diagrams Drive Axles: U-joint and CV-joint service procedures Technical Depth Depth: Comprehensive (dealership level) Diagnostic Tools: Covers computer diagnostics and trouble codes Illustrations Quantity: Hundreds of illustrations and diagrams ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled flat-six turbocharged Displacement: 3.0 L (early models), 3.3 L (later models) Bore X Stroke: 98.0 mm x 70.4 mm (3.0L); 98.0 mm x 74.4 mm (3.3L) Compression Ratio: 7.0:1 (3.0L); 7.0:1 (3.3L - European), 6.5:1 (3.3L - US) Performance Horsepower: 260 hp (3.0L); 300 hp (3.3L - European), 277 hp (3.3L - US) Torque: 250 lb-ft (3.0L); 298 lb-ft (3.3L - European), 281 lb-ft (3.3L - US) Fuel System Fuel Injection: Bosch K-Jetronic (CIS) fuel injection Fuel Type: Premium Unleaded Gasoline (91+ Octane) Ignition System Ignition: Electronic ignition with distributor Engine Management Emissions Control: Exhaust Gas Recirculation (EGR), secondary air injection (on some models) Engine Codes: M30/30 (3.0L), M30/33 (3.3L) 🔧 Transmission Standard Transmission Type: 4-speed manual (early models), 5-speed manual (later models - G50 optional on some 80s 911s, but the 930 predominantly used the 4-speed) Optional Optional Transmission: Not typically offered in the 930 Turbo within this generation, focus is on manual gearboxes. Features Gear Ratios: Detailed in manual, specific ratios vary by model year and transmission type. Fluid Specifications Transmission Fluid Type: Refer to manual for specific GL rating (e.g., GL-4 or GL-5) and viscosity (e.g., SAE 75W-90). 📐 Dimensions Exterior Length: Approx. 4235 mm (166.7 in) Width: Approx. 1775 mm (69.9 in) Height: Approx. 1310 mm (51.6 in) Wheelbase: Approx. 2271 mm (89.4 in) Weights Curb Weight: Approx. 1285 kg (2833 lbs) for 3.0L, Approx. 1350 kg (2976 lbs) for 3.3L Gross Vehicle Weight Rating: Refer to VIN plate and manual. Dimensions Wheel Bolt Pattern: 5x130mm Tire Sizes: Front: 205/55VR16, Rear: 225/50VR16 (typical for early models, variations exist) 🛡️ Safety Features Ratings Crash Test Data: Modern crash testing methodologies were not applied to vehicles of this era. Focus on structural integrity of the time. Active Features Brakes: Four-wheel disc brakes, internally ventilated and cross-drilled (standard for the Turbo) Passive Features Seat Belts: Three-point inertia-reel seat belts Structure: Reinforced chassis and body structure for its time. 💡 Technology Features Infotainment Audio System: Typically a period-appropriate AM/FM/Cassette stereo system. Higher-end options might have been available. Driver Assistance Assistance Features: Limited by era; primary focus was on driver engagement and mechanical feedback. ABS was not standard and introduced later. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-5,000 miles or annually, depending on driving conditions. Manual provides specific recommendations. Major Service Interval: Refer to manual for detailed factory schedules, often including valve adjustments, ignition timing checks, and brake inspections. Fluid Specifications Engine Oil Type: Porsche recommends specific air-cooled engine oils. Often a high-quality synthetic like 20W-50 or 15W-50. Manual will specify. Engine Oil Capacity: Approximately 9.5 liters (10 US quarts) for dry sump system. Check manual for precise capacity. Brake Fluid Type: DOT 3 or DOT 4 brake fluid. Coolant Type: N/A (Air-cooled engine) Known Issues Common Issues: Turbocharger lag, potential for premature clutch wear, oil leaks from air-cooled engine seals, fuel system component wear (e.g., warm-up regulator), camshaft wear. Common Issues Turbo Maintenance: Proper warm-up and cool-down procedures are critical for turbocharger longevity. 📚 Vehicle History Brand Heritage Heritage: Porsche's long-standing reputation for performance, engineering excellence, and motorsport dominance. Model Evolution Evolution: The...