🏷️ Basic Information

Make:

Ferrari

Model:

308 GT4

Model Designation:

308 GT4 (also known as Dino 308 GT4)

Body Style:

2+2 Coupe

Generation Code:

First Generation

Chassis Code:

Tipo F106 AB

👋 Introduction

Market Position:

The Ferrari 308 GT4 represented a departure for Ferrari, being their first mid-engined V8 and their first 2+2 designed by Bertone, aiming for a broader market appeal and practicality than its V12 predecessors.

Key Competitors:

Lamborghini Urraco, Maserati Merak, Porsche 911

Distinguishing Features:

Mid-engine V8 configuration, Bertone styling, 2+2 seating, and a focus on drivability and a more practical Ferrari experience compared to the flagship models.

Value Proposition:

Empowers owners and independent workshops to perform comprehensive maintenance and repairs, saving significant costs associated with authorized dealerships and preserving the vehicle's integrity.

📋 Manual Details

Model Years Covered:

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

Engine Variants Covered:

All Engine Variants (primarily 3.0L V8)

Trim Levels Covered:

All Trim Levels

Transmission Types Covered:

All Transmission Types (primarily 5-speed manual)

Page Count Estimate:

Comprehensive (Exact number not specified, but implied extensive coverage)

Manual Type:

Workshop Service Repair Manual

Language:

English (Implied by product description)

Format:

Digital Downloadable (PDF)

📖 Manual Coverage

Engine System:

Complete engine overhaul, diagnosis, tuning, emissions control, lubrication system, cooling system, fuel delivery, ignition system, engine management (Carburetor and early EFI systems)

Transmission System:

Manual transmission service, repair, clutch system, driveline, differentials

Braking System:

Hydraulic system, brake calipers, rotors, pads, parking brake, bleeding procedures

Suspension Steering:

Front and rear suspension components, shock absorbers, springs, bushings, steering rack, power steering system

Electrical System:

Wiring diagrams, starter motor, alternator, battery, lighting system, instrumentation, ignition switch, fuses, relays, diagnostic procedures

Fuel System:

Fuel tank, fuel lines, fuel pump, fuel filters, carburetor overhaul (Weber 40 DCNF), fuel injection troubleshooting (early systems)

Body Chassis:

Body panel repair, rust prevention, door mechanisms, interior trim, glass replacement, chassis alignment

Cooling System:

Radiator, cooling fans, hoses, thermostat, coolant specifications, system pressure testing

Exhaust System:

Exhaust manifold, pipes, mufflers, catalytic converters (if applicable to specific market/year), exhaust hanger replacement

HVAC System:

Air conditioning system service, refrigerant handling (R12), blower motor, ducting, heater core

Preventative Maintenance:

Oil changes, filter replacements, spark plug service, fluid checks and changes, belt inspections and replacements, brake inspections

Troubleshooting:

Diagnostic flowcharts, common problems and solutions, electrical system fault finding, engine performance issues

Engine Rebuild:

Engine disassembly, inspection, component replacement (pistons, rings, bearings, valves), cylinder head overhaul, torque specifications for all engine components

Transmission Repair:

Transmission disassembly and reassembly, gear set inspection, synchro ring replacement, bearing service

Brake System Overhaul:

Brake caliper rebuilding, rotor replacement, brake line replacement, brake fluid flush and bleeding

Electrical Component Replacement:

Alternator replacement, starter motor replacement, ignition coil replacement, sensor replacement

Suspension Component Replacement:

Ball joint replacement, tie rod end replacement, control arm bushing replacement, shock absorber replacement

Fuel System Maintenance:

Carburetor adjustment and tuning, fuel pump replacement, fuel filter replacement

Depth Of Coverage:

Comprehensive: From basic fluid changes to complete engine and transmission rebuilds, including electrical system diagnostics and bodywork.

Diagnostic Level:

Advanced diagnostic procedures with specific troubleshooting trees and symptom-based fault isolation.

📊 Manual Specifications

File Format:

PDF

Print Quality:

High Quality (Implied by description, suitable for printing)

Binding Type:

N/A (Digital Download - User Printable)

Paper Type:

N/A (Digital Download - User Printable)

Searchability:

Likely Searchable (Standard for professional PDFs)

Software Requirements:

Adobe Reader (Free)

⚙️ Engine Specifications

Engine Type:

V8, 90-degree

Engine Displacement:

2,969 cc (2.9 L)

Bore X Stroke:

81 mm x 71 mm (approx.)

Compression Ratio:

9.2:1 to 10.5:1 (depending on market/year)

Horsepower Hp:

255 hp (DIN) @ 7,500 rpm (approx. for early models)

Torque Lb Ft:

213 lb-ft (289 Nm) @ 5,000 rpm (approx. for early models)

Carburetors:

Four Weber 40 DCNF dual-choke carburetors

Fuel Injection:

Later models and specific market variants featured Bosch K-Jetronic fuel injection.

Ignition Type:

Distributor ignition (dual points on some early models), later models may have electronic ignition.

Oil Capacity Quarts:

Approximately 10.5 quarts (9.9 liters) with filter.

🔧 Transmission

Transmission Type:

5-speed Manual Transaxle

Optional Transmission:

No automatic transmission was offered.

Gear Ratios:

Specific gear ratios are detailed within the manual for optimal performance tuning.

Transaxle Layout:

Mid-engine, rear-wheel drive with integrated transmission and differential.

Transmission Fluid Type:

Hypoid gear oil, API GL-4 or GL-5, SAE 75W-90 or 80W-90. Specific Ferrari recommendations should be followed.

📐 Dimensions

Length Mm:

4,370 mm (approx.)

Width Mm:

1,750 mm (approx.)

Height Mm:

1,115 mm (approx.)

Wheelbase Mm:

2,450 mm (approx.)

Curb Weight Kg:

1,470 kg (approx.)

Weight Distribution:

Near 50/50 front/rear when properly loaded, contributing to balanced handling.

🛡️ Safety Features

Crash Test Ratings:

N/A (Vehicles from this era typically did not undergo standardized crash testing as we know it today.)

Active Safety:

Four-wheel disc brakes (ventilated front), Independent suspension, Limited-slip differential (on some models/later production)

Passive Safety:

Seatbelts, Reinforced body structure (for the era)

💡 Technology Features

Infotainment System:

Basic AM/FM radio, often with a cassette player. Emphasis was on the driving experience, not extensive electronics.

Driver Assistance Features:

Limited to the design of the chassis and suspension for inherent stability. No modern electronic driver aids.

🔧 Maintenance

Oil Change Interval:

Every 3,000-5,000 miles (5,000-8,000 km) or annually, whichever comes first.

Major Service Interval:

Timing belt replacement recommended every 30,000 miles (50,000 km) or 5 years. Comprehensive tune-ups recommended annually or every 6,000 miles (10,000 km).

Engine Oil Type:

API SF or SG, SAE 20W-50 or 10W-50 (depending on climate). Ferrari recommends specific grades for optimal performance and protection.

Coolant Type:

Ethylene glycol-based antifreeze, 50/50 mixture with distilled water. Specific Ferrari coolant may be recommended.

Brake Fluid Type:

DOT 3 or DOT 4 (ensure high-performance and low moisture content).

Common Issues:

Carburetor tuning and synchronization, aging electrical components, exhaust system corrosion, clutch wear, suspension bushing degradation, timing belt maintenance is critical.

Tuning Notes:

Proper synchronization of the four Weber carburetors is crucial for smooth idle and optimal performance. Ignition timing adjustments should be performed with a timing light and the engine at operating temperature.

📚 Vehicle History

Brand Foundation:

Ferrari, founded by Enzo Ferrari, has a storied history in motorsport and the production of high-performance sports cars.

Predecessor:

Dino 246 GT/GTS

Successor:

Ferrari 308 GTB/GTS

Production Years:

1973 - 1980

Production Numbers:

Approximately 712 units produced globally.

Designer:

Bertone (Marcello Gandini)

Manufacturing Location:

Maranello, Italy

🏆 Awards & Recognition

Design Awards:

While not a direct award, the Bertone design by Marcello Gandini was critically acclaimed for its distinctive styling that set it apart from other Ferraris of the era.

Performance Reviews:

Praised for its potent V8 engine and unique styling, though some critics noted its departure from traditional Ferrari aesthetics and handling characteristics compared to the 2-seat models.