🏷️ Basic Information

Make:

Ferrari

Model:

308 GT4

Production Years:

1973-1980

Chassis Code:

308 GT4 / GT4

Engine Code Early:

F106 AB

Engine Code Late:

F106 BB (308 GT4)

👋 Introduction

Designation:

A practical mid-engined sports car designed for everyday usability, a departure from Ferrari's more exotic V12 models.

Target Audience:

Enthusiasts and owners seeking to maintain and repair their Ferrari 308 GT4 themselves.

Contemporaries:

Porsche 911, Maserati Merak, Lamborghini Urraco.

Design Philosophy:

Designed by Bertone, featuring a more angular and spacious interior for its class, a departure from Pininfarina's typical Ferrari styling.

Manual Benefit:

Empowers owners to perform maintenance and repairs, potentially saving significant costs associated with specialized mechanics.

📋 Manual Details

Overall Coverage:

Comprehensive

Specific Systems Covered:

General Information, Engine, Lubrication, Cooling, Fuel System, Clutch, Gearbox, Rear Axle, Steering, Front Suspension, Rear Suspension, Shock Absorbers, Brakes, Wheels and Tyres, Instruments and Controls, Heating and Ventilation, Air Conditioning, Electrical System, Special Tools (Engine and Chassis), Tightening Torques, Chassis Hitch Points, Body, Emission Control System

Total Pages:

209

Type:

Workshop Manual / Service Repair Manual

Language:

English

File Format:

PDF

Operating Systems:

All Versions of Windows & Mac

Software Requirements:

Adobe PDF Reader

📖 Manual Coverage

Powertrain:

Engine (V8 configuration), Lubrication, Cooling, Fuel System (Carbureted), Clutch, Gearbox, Rear Axle

Chassis And Suspension:

Steering, Front Suspension, Rear Suspension, Shock Absorbers, Wheels and Tyres, Chassis Hitch Points

Brakes:

Brake System (Hydraulic, Disc)

Electrical:

Electrical System (Wiring Diagrams, Components)

Body And Interior:

Bodywork, Instruments and Controls, Heating and Ventilation, Air Conditioning

Maintenance:

Routine checks, fluid changes, filter replacements

Troubleshooting:

Diagnostic procedures, common fault finding

Repair And Rebuild:

Engine rebuild, gearbox overhaul, suspension component replacement, brake caliper servicing, electrical component repair

Adjustments:

Carburetor tuning, ignition timing, suspension alignment

Special Tools:

Identification and use of specific tools required for engine and chassis work

Depth:

Detailed step-by-step instructions for DIY repairs and advanced maintenance.

Scope:

Covers everything from basic adjustments to complete component overhauls and rebuilds.

📊 Manual Specifications

Digital Format:

PDF

Clarity:

High-resolution, ensuring clear text and diagrams.

Binding:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Configuration:

Mid-mounted V8

Displacement:

2926 cc (2.9 Liters)

Bore X Stroke:

81 mm x 71 mm

Compression Ratio:

9.2:1

Valvetrain:

DOHC, 2 valves per cylinder

Horsepower:

240 hp (179 kW) @ 7500 rpm (European models)

Torque:

203 lb-ft (275 Nm) @ 5000 rpm (European models)

Carburetors:

4 x Weber 40 DCNF

System:

Water-cooled, with front-mounted radiator

System:

Dry-sump lubrication system

🔧 Transmission

Type:

5-speed manual transaxle

Layout:

Rear-wheel drive with integrated gearbox and differential

📐 Dimensions

Length:

4370 mm (172.0 in)

Width:

1720 mm (67.7 in)

Height:

1105 mm (43.5 in)

Wheelbase:

2550 mm (100.4 in)

Curb Weight:

1575 kg (3472 lbs)

🛡️ Safety Features

Crash Test Results:

Not formally tested by modern safety organizations.

Braking:

Four-wheel disc brakes, ventilated front discs

Seat Belts:

Standard three-point seat belts

💡 Technology Features

Radio:

Factory-fitted or period-correct aftermarket radio likely.

Features:

None (No modern driver assistance systems).

Features:

None.

🔧 Maintenance

Oil Change:

Every 5,000 km or annually, whichever comes first.

Timing Belt:

Every 30,000 km or 5 years, critical due to interference engine.

Engine Oil:

SAE 20W-50 or 10W-40 (API SF/SG rating), typically ~8-10 liters for dry sump.

Coolant:

Glycol-based antifreeze/coolant, 50/50 mix with distilled water.

Gearbox Oil:

Hypoid gear oil, API GL-4 or GL-5, viscosity typically 75W-90 or 80W-90.

Brake Fluid:

DOT 3 or DOT 4.

Carburator Tuning:

Weber carburetors require periodic adjustment and synchronisation.

Electrical Gremlins:

Older wiring can degrade, leading to intermittent electrical faults. Manual provides wiring diagrams for diagnosis.

Rust:

Potential for rust in sills, rear quarter panels, and floor pans due to age and design.

Suspension Wear:

Bushings and ball joints can wear over time, affecting handling.

Cooling System:

Radiator and fan failures can lead to overheating.

📚 Vehicle History

Founder:

Enzo Ferrari

Legacy:

Renowned for producing high-performance, exotic sports cars.

Predecessor:

Did not directly succeed a V8 mid-engined model in this configuration.

Successor:

Ferrari 308 GTB/GTS (though with different design and engine placement emphasis).

Period:

1973-1980

Total Units:

Approx. 712

Designer:

Bertone (Marcello Gandini)

🏆 Awards & Recognition

Automotive Press:

Praised for its V8 power and usability, though often debated for its styling compared to other Ferraris.