🏷️ Basic Information

Make:

Ferrari

Model:

308 QV, 328 GTB, 328 GTS

Ferrari 308 Qv Generation:

This manual covers the later 308 models, specifically the Quattrovalvole (QV) variants, which represent a significant evolution of the original 308 chassis and powertrain.

Ferrari 328 Gtb/Gts Generation:

The 328 series is a direct evolution and successor to the 308 QV, featuring updated styling, a larger displacement engine, and various mechanical refinements.

Ferrari 308 Qv Chassis Codes:

While specific chassis codes may vary slightly by market and year, the QV era generally refers to models produced from approximately 1982-1985.

Ferrari 328 Gtb/Gts Chassis Codes:

Chassis codes typically include variations for GTB (Berlinetta) and GTS (Targa Top) body styles, with production spanning from 1985-1989.

👋 Introduction

Market Position:

The Ferrari 308 QV and 328 series are iconic mid-engined sports cars representing the pinnacle of accessible Ferrari ownership in their era, known for their performance, styling, and driving dynamics.

Competitive Landscape:

Competed with other high-performance Italian and European sports cars of the period, such as Lamborghini Urraco and Jalpa, Porsche 911 variants, and certain Aston Martin models.

Key Manual Features:

Original manufacturer content, extensive illustrations and diagrams, detailed diagnostic procedures, comprehensive coverage of all vehicle systems, and use by dealership mechanics.

Key Vehicle Features (308 Qv/328):

Mid-engine V8 layout, Pininfarina styling, 5-speed manual transaxle, independent suspension, iconic Ferrari performance and sound.

📋 Manual Details

Manual Coverage Areas:

Body, Chassis, Electrical Systems, Engine, Transmission, Fuel System, Cooling System, Exhaust System, Suspension, Steering, Brakes, Interior, Bodywork.

Manual Page Count:

While an exact page count is not provided, the description 'Most Complete Workshop Manual Available' suggests a comprehensive document likely exceeding 500 pages, common for factory service manuals of this era.

Manual Type:

Original Service - Workshop Manual

Manual Language:

Likely English, as is standard for manufacturer service manuals distributed globally, though original Italian versions also exist.

Manual Format:

PDF

📖 Manual Coverage

Engine Systems:

Detailed coverage of the Ferrari Dino V8 engine, including Quattrovalvole cylinder heads, carburetion/fuel injection (depending on specific model year), ignition systems, lubrication, cooling, and exhaust.

Transmission Systems:

Comprehensive sections on the manual transaxle, clutch assembly, drive shafts, and differential. Automatic transmission details are not typically included for these models.

Electrical Systems:

Extensive coverage including wiring diagrams for all vehicle circuits, lighting, instrumentation, ignition, starting, charging, and ancillary electrical components.

Chassis And Suspension:

In-depth information on the steel tube chassis, independent front and rear suspension (double wishbones, coil springs, shock absorbers), and wheel bearings.

Braking System:

Detailed explanations of the hydraulic disc brake system, including component descriptions, bleeding procedures, and maintenance.

Body And Interior:

Coverage of body panel removal and installation, glass, seals, interior trim, seats, and convertible top mechanisms for the GTS models.

Disassembly And Installation:

Step-by-step procedures for disassembling and reassembling all major mechanical and electrical components, critical for accurate repairs and rebuilds.

Technical Diagnostic Procedures:

Guidance on identifying and troubleshooting common issues, including electrical faults, engine performance problems, and mechanical failures, often with symptom-based approaches.

Routine Maintenance:

Instructions for essential services such as oil changes, filter replacements, spark plug service, coolant flushes, and general inspections.

Component Overhaul:

Detailed instructions for rebuilding major components like engines, transmissions, carburetors/fuel injection systems, and brake calipers.

Diagnostic Capabilities:

Advanced diagnostic procedures, fault code interpretation (if applicable to the era's electronics), and component testing methods used by dealership mechanics.

Repair Complexity:

Covers a wide range of repairs from basic adjustments to complete engine and gearbox rebuilds, suitable for experienced mechanics and dedicated enthusiasts.

Wiring Diagram Detail:

High-quality, detailed wiring diagrams are a hallmark of Ferrari manuals, crucial for diagnosing and repairing electrical issues in these complex systems.

📊 Manual Specifications

File Format:

PDF, enabling universal compatibility across Windows, Linux, and Mac.

Printability:

Allows for printing of specific pages or the entire manual, ensuring practical use in a workshop environment.

Binding Type (If Printed):

Not specified for PDF, but historically these manuals were bound for durability in a workshop setting.

Paper Type (If Printed):

Not specified for PDF, but original manuals typically used high-quality, durable paper suitable for workshop use.

Searchability:

PDF format typically allows for text searching, significantly speeding up the process of finding specific information.

⚙️ Engine Specifications

Engine Type (308 Qv):

Ferrari Tipo F106 V8, 2926 cc (2.9 L), DOHC, 4 valves per cylinder (Quattrovalvole).

Engine Type (328):

Ferrari Tipo F106 V8, 3185 cc (3.2 L), DOHC, 4 valves per cylinder.

Horsepower (308 Qv):

Approximately 235-240 hp (DIN) depending on specific market and emission controls.

Horsepower (328):

Approximately 270 hp (DIN).

Torque (308 Qv):

Approximately 260-270 Nm (190-200 lb-ft) depending on market.

Torque (328):

Approximately 314 Nm (232 lb-ft).

Fuel System (308 Qv):

Typically Weber carburetors (e.g., 4x Weber 40 DCNF or 40 IF3C for European models), Bosch K-Jetronic fuel injection for US models.

Fuel System (328):

Bosch K-Jetronic continuous mechanical fuel injection.

Ignition System:

Distributor-based ignition system, often with dual ignition coils for improved performance and reliability.

🔧 Transmission

Transmission Type:

5-speed manual transaxle (dog-leg first gear pattern on many models).

Optional Transmissions:

No automatic transmission option was typically offered for these models.

Clutch:

Hydraulically operated single dry plate clutch.

Transmission Fluid:

Refer to manual for specific API GL-4 or GL-5 gear oil specifications, typically a 75W-90 or 80W-90 viscosity.

📐 Dimensions

Length:

308 QV: Approx. 4235 mm (166.7 in); 328: Approx. 4260 mm (167.7 in).

Width:

308 QV/328: Approx. 1700 mm (66.9 in).

Height:

308 QV: Approx. 1120 mm (44.1 in); 328: Approx. 1130 mm (44.5 in).

Dry Weight:

308 QV: Approx. 1400-1500 kg (3086-3307 lbs); 328: Approx. 1450-1550 kg (3197-3417 lbs).

Wheel Bolt Pattern:

5x108 mm.

Standard Tire Sizes:

Commonly 205/55 VR16 front and 225/50 VR16 rear, though variations exist. Refer to manual for precise OEM fitments.

🛡️ Safety Features

Crash Test Ratings:

Modern crash test ratings are not applicable to vehicles of this era. Safety was primarily focused on structural integrity and occupant containment.

Active Safety Features:

Four-wheel disc brakes are the primary active safety feature. ABS was not standard or commonly available on these models.

Passive Safety Features:

Reinforced chassis, impact-absorbing steering column, and three-point seatbelts.

💡 Technology Features

Infotainment System:

Basic factory-installed audio systems (radio/cassette) typical for the era. Advanced infotainment features are not present.

Driver Assistance Features:

Limited to mechanical systems. Features like ABS, traction control, or advanced electronic aids were not standard.

Connectivity:

No modern connectivity features such as Bluetooth or USB ports.

Lighting:

Halogen headlights are standard. Manual covers bulb replacement and headlight aiming.

🔧 Maintenance

Oil Change Interval:

Typically every 5,000-7,500 km (3,000-5,000 miles) or annually, whichever comes first. Refer to manual for exact recommendations.

Major Service Interval:

Timing belt replacement is critical and usually recommended every 24,000-30,000 miles (40,000-50,000 km) or 3-5 years due to potential catastrophic failure if the belt breaks.

Engine Oil Specification:

Refer to manual for specific viscosity (e.g., 15W-50 or 20W-50) and API service classification (e.g., SF or SG). Use of oil with sufficient ZDDP additive is recommended for flat-tappet camshafts.

Coolant Specification:

A mixture of distilled water and ethylene glycol-based antifreeze, typically a 50/50 mix. Refer to manual for specific type and capacity.

Brake Fluid Specification:

DOT 3 or DOT 4 brake fluid. Regular flushing and replacement are crucial for performance and longevity.

Common Known Issues (General):

Degradation of rubber and plastic components over time (hoses, seals, bushings), electrical gremlins, ignition coil failures, carburetor tuning issues (on carbureted models), and aging wiring harnesses.

Timing Belt System:

Critical maintenance item. Failure of the timing belt or its tensioners can cause severe engine damage. Regular inspection and timely replacement are paramount.

Cooling System:

Radiator leaks, fan motor failures, and thermostat issues can lead to overheating. The cooling system requires diligent maintenance.

Carburetor/Fuel Injection:

Carbureted models require meticulous tuning. Fuel injection systems may require component testing and cleaning of injectors.

📚 Vehicle History

Ferrari Brand Heritage:

Ferrari has a storied history in motorsport and luxury sports car manufacturing, with a legacy dating back to the founding by Enzo Ferrari.

308 Evolution:

The 308 lineage began with the GT4 and the iconic 308 GTB/GTS, evolving into the Quattrovalvole (QV) models with improved cylinder heads for better breathing and performance.

328 Development:

The 328 was an evolution of the 308 QV, featuring a larger 3.2-liter engine, subtle styling updates (smoother bumpers, revised spoiler), and mechanical improvements for enhanced reliability and performance.

Production Years:

308 QV: ~1982-1985; 328 GTB/GTS: 1985-1989.

Manufacturing Location:

Maranello, Italy.

🏆 Awards & Recognition

Automotive Awards:

While specific awards for these models are not always highlighted, the 308 and 328 series are widely recognized for their iconic styling, driving experience, and contributions to Ferrari's road car legacy.

Enthusiast Ratings:

Consistently rated highly by automotive publications and enthusiasts for their performance, handling, and classic Italian supercar appeal.

Manual Quality:

Certified as 'Original Service - Workshop Manual' and 'Written by the Manufacturer,' indicating official Ferrari documentation.