🏷️ Basic Information

Make:

Ferrari

Model:

308 GT4

Generation:

First Generation

👋 Introduction

Positioning:

A vital resource for owners and mechanics of the Ferrari 308 GT4, a significant model in Ferrari's V8 era, bridging the gap between older V12 models and the later, more widely produced V8s.

Comparison:

The 308 GT4 was a departure for Ferrari, being the first mid-engined V8 and the first car designed by Bertone for Ferrari. This manual provides the essential technical data to maintain its unique Pininfarina-designed (by Bertone) chassis and powertrain.

Manual Benefit:

Enables owners to perform essential maintenance and complex repairs, saving significant costs compared to dealership service and ensuring proper upkeep of a classic supercar.

Information Availability:

Contains all necessary information for workshop procedures, enabling owners to keep their 308 GT4 running optimally.

📋 Manual Details

General Coverage:

Complete service and repair procedures for the Ferrari 308 GT4.

Estimated Page Count:

N/A (PDF format, page count can vary with print settings)

Type:

Factory Workshop Repair Manual

Language:

English

File Format:

PDF

📖 Manual Coverage

Engine And Lubrication:

Detailed procedures for engine disassembly, assembly, diagnostics, lubrication system maintenance, and component inspection.

Cooling System:

Radiator, water pump, thermostat, hoses, and coolant specifications.

Fuel System:

Carburetor (likely Weber DCNF) tuning, fuel pump, fuel lines, and tank maintenance.

Clutch System:

Clutch operation, adjustment, and replacement procedures.

Gearbox And Drivetrain:

Transmission disassembly, assembly, repair, fluid specifications, and differential servicing.

Steering System:

Steering rack, linkage, and power steering system (if applicable) maintenance and repair.

Suspension System:

Front and rear suspension components, shock absorbers, springs, bushings, and alignment procedures.

Brake System:

Brake calipers, discs, pads, hydraulic lines, master cylinder, and bleeding procedures.

Wheels And Tires:

Wheel specifications, tire fitment, and rotation recommendations.

Electrical System:

Wiring diagrams, battery, starter, alternator, ignition system, lighting, and accessory troubleshooting.

Bodywork:

Body panel repair, door mechanisms, glass, seals, and trim.

Emission Control System:

Information on emission control devices and related adjustments (e.g., emissions regulations of the era).

Diagnostic Procedures:

Step-by-step troubleshooting guides for common and uncommon issues.

Repair Procedures:

Detailed instructions for component replacement, overhaul, and repair.

Maintenance Procedures:

Routine service, fluid changes, inspections, and adjustments.

Installation Procedures:

Guidance on installing new or replacement parts.

Depth:

Comprehensive, covering everything from basic tune-ups to complete engine and transmission rebuilds, with detailed diagrams.

📊 Manual Specifications

Readability:

High-quality PDF, optimized for readability on screen and printing.

Print Restriction:

Printable without restriction.

Binding Type:

N/A (Digital PDF)

Paper Type:

N/A (Digital PDF)

Operating Systems:

Compatible with all versions of Windows & Mac.

Software Requirement:

Requires Adobe PDF Reader.

⚙️ Engine Specifications

Engine Type:

Naturally Aspirated V8, Dino V8 pushrod engine

Engine Code Prefix:

F106 (e.g., F106A, F106AL)

Displacement:

2997 cc (3.0 Liters)

Bore X Stroke:

81 mm x 73 mm

Compression Ratio:

9.0:1 to 9.2:1 (depending on variant)

Horsepower:

Approx. 255 PS (188 kW) at 7500 rpm (European spec)

Torque:

Approx. 285 Nm (210 lb-ft) at 5000 rpm (European spec)

Carburetion:

Typically 4 x Weber 40 DCNF downdraft carburetors

Fuel Type:

Unleaded gasoline (95 RON or higher recommended)

Ignition Type:

Electronic ignition (e.g., Marelli)

Valve Train Design:

Pushrod actuated overhead valves (OHV)

Cooling Method:

Water-cooled, front-mounted radiator

🔧 Transmission

Type:

5-speed manual transaxle

Type:

N/A (Only manual transmission offered)

Layout:

Rear-wheel drive with integrated transmission and differential (transaxle).

📐 Dimensions

Wheelbase:

2350 mm (92.5 in)

Length:

4340 mm (170.9 in)

Width:

1740 mm (68.5 in)

Height:

1115 mm (43.9 in)

Curb Weight:

Approx. 1550 - 1620 kg (3417 - 3571 lbs)

🛡️ Safety Features

Crash Test Results:

No official crash test ratings available from modern agencies for this era of vehicle.

Braking:

Four-wheel disc brakes (Dunlop or Brembo depending on year), ventilated front discs.

Steering Type:

Rack and pinion, with optional power assistance.

Seatbelts:

Three-point inertia reel seatbelts.

Chassis Design:

Steel monocoque chassis with steel tube subframes.

💡 Technology Features

Original System:

Basic analogue instrumentation. Radio and cassette player were optional extras. No climate control standard on early models, later models may have had optional AC.

Original Features:

Limited to mechanical systems; no electronic driver aids like ABS or traction control were present.

Original Features:

No electronic connectivity features typical of modern vehicles.

🔧 Maintenance

Oil Change Interval:

Every 5,000 km (3,000 miles) or annually, whichever comes first.

Tune Up Interval:

Every 10,000 - 15,000 km (6,000 - 9,000 miles), includes ignition timing, carburetor adjustment, and spark plug replacement.

Major Service Interval:

Every 30,000 km (18,000 miles), includes timing belt inspection/replacement (for later models or if applicable), valve adjustment, and comprehensive fluid changes.

Engine Oil:

API SG or SH, viscosity 20W-50 or 10W-40 depending on climate. Refer to manual for exact specifications (e.g., Valvoline VR1 20W-50 is commonly recommended).

Coolant:

Ethylene glycol-based antifreeze, 50/50 mixture with distilled water. Capacity approx. 12-14 liters.

Gearbox Oil:

API GL-5, SAE 75W-90 or 80W-90 gear oil. Capacity approx. 3.5 - 4.0 liters.

Brake Fluid:

DOT 4 or DOT 3 (ensure compatibility with seals). Flush and replace every 2 years.

Clutch Fluid:

DOT 4 or DOT 3 (shared with brake system).

Engine:

Carburetor tuning and synchronization, aging ignition components, potential head gasket issues if overheated.

Suspension:

Wear in bushings, ball joints, and steering components due to age and use.

Electrical:

Corrosion on connectors, aging wiring looms, and failure of ancillary electrical components (e.g., window motors, relays).

Body And Chassis:

Rust in sills, floor pans, and around wheel arches. Sealing issues leading to water ingress.

Part Availability Context:

As a classic Ferrari, some specialized parts can be rare and expensive, making this manual crucial for identifying correct part numbers and repair procedures.

📚 Vehicle History

Heritage Context:

The Ferrari 308 GT4 represented a significant shift for Ferrari, being its first production V8 and its first mid-engined V8. It was also the first Ferrari designed by an external studio (Bertone).

Development Context:

Originally conceived as a Dino model due to its V8 engine, it was later rebranded as a Ferrari. It was designed by Marcello Gandini of Bertone, offering a more angular and aggressive design compared to previous Ferraris.

Production Years:

1973-1980

Production Numbers:

Approximately 2,826 units produced.

Manufacturing Location:

Maranello, Italy

🏆 Awards & Recognition

Design Award:

Designed by Marcello Gandini of Bertone, the 308 GT4's styling was a departure and often debated, but it represented a significant design innovation in its era. It was awarded the 'Carrozzeria Italiana award for the best design'.

Performance Reviews:

Praised for its V8 engine's performance and handling characteristics, though criticized by some purists for its styling and departure from traditional Ferrari design philosophies.