🏷️ Basic Information

Make:

Ferrari

Model:

308 GT4

Model Designation:

308 GT4

Chassis Code:

308 GTC4 (Bertone GT4)

Model Years Covered:

1973-1980

Engine Codes:

F106 AB (European), F106 BB (US/Japan)

👋 Introduction

Market Position:

A practical and accessible V8 Ferrari for everyday use and touring, contrasting with the more track-focused V12 models of the era.

Competitors:

Porsche 911, Aston Martin V8 Vantage, Lamborghini Urraco.

Design Era:

Designed by Bertone, featuring a distinctive angular, wedge-shaped styling, a departure from Ferrari's traditional Pininfarina designs.

Engine Configuration:

Mid-engined V8, providing balanced weight distribution for improved handling.

Practicality:

Unique for a Ferrari of its time, it offered a 2+2 seating configuration and more practical luggage space.

📋 Manual Details

Model Years:

1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980

Page Count:

209

Manual Type:

Workshop Service Manual

Language:

English

File Format:

PDF

Accessibility:

Instant Download

📖 Manual Coverage

Engine Mechanical:

Complete engine overhaul, disassembly, assembly, diagnostics, and repair.

Fuel System:

Fuel injection system (Bosch K-Jetronic), fuel pumps, lines, filters, and tank.

Ignition System:

Ignition timing, spark plugs, coils, distributors, and electronic control.

Cooling System:

Radiator, fans, water pump, coolant hoses, thermostat, and system bleeding.

Exhaust System:

Exhaust manifolds, pipes, mufflers, and catalytic converters (where applicable).

Transmission:

Manual gearbox, clutch assembly, driveshafts, and differential.

Suspension:

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

Steering:

Steering rack, tie rods, steering column, and power steering system (if equipped).

Brakes:

Brake system, calipers, rotors, master cylinder, brake lines, parking brake, and bleeding procedures.

Electrical System:

Wiring diagrams, battery, alternator, starter motor, lighting, instruments, and fuses.

Body And Chassis:

Body panel removal and installation, door mechanisms, glass, and structural components.

Climate Control:

Heating and ventilation system components and operation.

Maintenance:

Routine maintenance, fluid checks, filter replacements, and general upkeep.

Troubleshooting:

Systematic diagnostics for common and uncommon problems.

Repair:

Detailed step-by-step repair instructions for all major components.

Disassembly Assembly:

Comprehensive instructions for taking apart and putting back together vehicle systems.

Adjustments:

Calibration and adjustment procedures for various systems like ignition, fuel, and suspension.

Installation:

Procedures for installing new or replacement components.

Depth Level:

Comprehensive, from basic maintenance to complete engine rebuilds.

Diagrams:

Detailed pictorial, exploded, and sectional diagrams, plus wiring schematics.

Special Tools:

Identification and usage instructions for required special service tools.

Specifications:

Factory specifications, wear limits, and tightening torques.

📊 Manual Specifications

File Format:

PDF

Compatibility:

Windows, Mac, Linux OS

Software Requirement:

Adobe Reader

Printability:

Yes, all pages are printable.

Binding Type:

Digital (PDF Download)

Paper Type:

N/A (Digital)

Completeness:

100% Complete and Intact

Sections Covered:

All service and repair instructions.

⚙️ Engine Specifications

Engine Type:

DOHC V8

Displacement:

2997 cc (3.0 Liters)

Bore X Stroke:

81 mm x 73 mm

Compression Ratio:

9.2:1 (approx.)

Horsepower European:

240 hp (179 kW) @ 7600 rpm (F106 AB)

Horsepower Us Japan:

214 hp (159 kW) @ 6600 rpm (F106 BB - lower compression, emissions controls)

Torque European:

204 lb-ft (277 Nm) @ 5000 rpm (F106 AB)

Torque Us Japan:

194 lb-ft (263 Nm) @ 3500 rpm (F106 BB)

Fuel Delivery:

Bosch K-Jetronic mechanical fuel injection

Fuel Type:

Unleaded Gasoline (91+ Octane Recommended)

🔧 Transmission

Transmission Type:

5-speed manual transaxle

Optional Transmission:

None offered

Transaxle Layout:

Mid-engine, rear-wheel drive

Clutch:

Hydraulically operated single dry plate clutch

📐 Dimensions

Length:

4360 mm (171.7 in)

Width:

1740 mm (68.5 in)

Height:

1120 mm (44.1 in)

Wheelbase:

2450 mm (96.5 in)

Front Track:

1470 mm (57.9 in)

Rear Track:

1490 mm (58.7 in)

Curb Weight:

1550 kg (3417 lbs) - approx.

Weight Distribution:

Excellent, due to mid-engine layout.

🛡️ Safety Features

Crash Safety Rating:

N/A (Designed prior to modern comprehensive safety rating systems)

Active Safety:

Four-wheel disc brakes, independent suspension, balanced chassis design.

Passive Safety:

Safety glass, three-point seat belts, reinforced chassis.

💡 Technology Features

Infotainment System:

Basic analogue instrumentation, optional period-correct radio.

Driver Assistance Features:

None (Focus on pure driving experience).

🔧 Maintenance

Oil Change Interval:

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

Timing Belt Interval:

Every 30,000 km (18,000 miles) or 5 years (critical component, inspect for wear).

Major Service:

Recommended every 2-3 years or 30,000 km for comprehensive inspection and fluid changes.

Engine Oil:

SAE 20W-50 (e.g., Castrol GTX 20W-50) or equivalent API SG/CD rated oil. Capacity: Approx. 10.5 Liters (with filter).

Coolant:

50/50 mix of high-quality antifreeze and distilled water. Capacity: Approx. 13 Liters.

Brake Fluid:

DOT 3 or DOT 4 hydraulic brake fluid.

Transmission Fluid:

API GL-4 SAE 75W-90 or SAE 80W-90 gear oil. Capacity: Approx. 2.5 Liters.

Differential Fluid:

API GL-5 SAE 90 gear oil. Capacity: Approx. 1.8 Liters.

Clutch Fluid:

DOT 3 or DOT 4 hydraulic brake fluid.

Known Issues:

Carburetor/fuel injection system tuning, ignition system reliability, occasional clutch wear, cooling system efficiency, wear on suspension bushings, exhaust system corrosion.

Common Repairs:

Timing belt replacement (critical), fuel injector service, ignition coil replacement, water pump seal replacement.

📚 Vehicle History

Brand Heritage:

Founded by Enzo Ferrari, a long legacy of motorsport success and iconic road cars.

Model Evolution Summary:

Developed as Ferrari's first mid-engined V8 and first production car designed by an outside studio (Bertone). Initially known as the Dino 308 GT4, it was rebranded as the Ferrari 308 GT4 in 1976 to align it fully with the Ferrari marque.

Production Years:

1973-1980

Production Total:

Approximately 2,826 units

Manufacturing Location:

Maranello, Italy

🏆 Awards & Recognition

Recognitions:

While not a recipient of specific 'awards' in the modern sense, it is recognized as a significant model in Ferrari's history for its styling and introduction of V8 power to the road car lineup.

Contemporary Ratings:

Received mixed reviews initially due to its unconventional styling and a perception of being less 'pure' Ferrari than V12 models, but praised for its performance and practicality.