🏷️ Basic Information

Make:

Ferrari

Model:

Dino 308 GT4

Model Designation:

308 GT4

Sub Model:

Dino

Body Style:

2+2 Coupe

Production Years:

1973-1980

Chassis Code:

Tipo F106

Engine Code:

F106 AL

👋 Introduction

Positioning:

The Ferrari Dino 308 GT4 represented Ferrari's entry into the mid-engined, V8-powered sports car segment aimed at a slightly broader market than its V12 flagships, while still offering quintessential Ferrari performance and style, albeit with a Bertone body design that was a departure from traditional Pininfarina lines.

Competitors:

Primary competitors included the Lamborghini Urraco, Maserati Merak, and Porsche 911 (930 Turbo).

Design Philosophy:

Mid-engine, rear-wheel drive V8 layout, 2+2 seating configuration, unique Bertone styling, accessible Ferrari ownership.

Manual Utility:

This manual provides the critical information required for the maintenance and repair of this classic Ferrari, ensuring authenticity and optimal performance.

📋 Manual Details

Primary Coverage:

Body, Chassis, Electrical Systems

Secondary Coverage:

Engine, Transmission, Suspension, Brakes, Fuel System, Cooling System, Lubrication System, Ignition System, Steering System, HVAC

Estimated Page Count:

Extensive (Exact count not provided, but described as 'Most Complete')

Type:

Original Service Workshop Manual

Language:

English (Implied by dealership mechanic usage and technical content)

Format:

PDF

📖 Manual Coverage

Engine Mechanical:

Detailed procedures for engine disassembly, assembly, inspection, and overhaul of all internal components including pistons, connecting rods, crankshaft, camshafts, valves, and timing systems.

Fuel System:

Comprehensive coverage of fuel injection system (Bosch D-Jetronic for early models, Weber carburetors for later models), fuel pumps, fuel lines, fuel filters, and associated components.

Ignition System:

Detailed diagnostics and repair procedures for the ignition system, including distributors, ignition coils, spark plug wires, and ignition control units.

Cooling System:

Procedures for radiator, fan, coolant hoses, thermostat, water pump, and coolant flow diagnostics.

Lubrication System:

Details on oil pump, oil filter, oil pan, oil passages, and lubrication circuit troubleshooting.

Transmission Manual:

Disassembly, assembly, and adjustment procedures for the manual gearbox (usually a 5-speed ZF unit). Includes clutch operation and hydraulic system.

Transmission Automatic:

If applicable for specific markets or optional, procedures for the automatic transmission, including torque converter and valve body.

Drivetrain:

Coverage of differential, drive shafts, and CV joints.

Suspension Front:

Detailed procedures for front suspension components including control arms, springs, shock absorbers, ball joints, and bushings.

Suspension Rear:

Detailed procedures for rear suspension components including trailing arms, transverse links, springs, shock absorbers, and bushings.

Steering System:

Repair and adjustment of the steering rack, steering column, and power steering pump and system.

Brake System Front:

Overhaul and maintenance of front disc brake calipers, rotors, pads, brake lines, and master cylinder.

Brake System Rear:

Overhaul and maintenance of rear disc brake calipers, rotors, pads, brake lines, and master cylinder.

Electrical System Lighting:

Repair and troubleshooting of headlights, taillights, turn signals, and interior lighting.

Electrical System Instruments:

Diagnostics and repair of the instrument cluster, gauges, warning lights, and associated wiring.

Electrical System Starting Charging:

Troubleshooting and repair of the starter motor, alternator, and battery charging system.

Electrical System Accessories:

Coverage for power windows, door locks, wipers, horn, and other electrical accessories.

Body Exterior:

Information on body panel removal, installation, alignment, and repair. Includes doors, hood, trunk, bumpers, and trim.

Body Interior:

Procedures for removing and installing interior trim, seats, dashboard, and headliner.

HVAC System:

Details on the heating, ventilation, and air conditioning systems, including components like compressor, condenser, evaporator, and ducting.

Routine Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, tune-ups, belt inspection and replacement.

Diagnostic Procedures:

Systematic troubleshooting guides for common and uncommon issues, including symptom identification, component testing, and fault code interpretation (where applicable).

Disassembly Installation:

Step-by-step instructions for removing and reinstalling virtually every major component and sub-assembly of the vehicle.

Rebuild Overhaul:

Comprehensive instructions for the complete overhaul and rebuilding of the engine, transmission, and other major mechanical systems.

Adjustment Calibration:

Procedures for adjusting timing, carburetor/fuel injection settings, clutch engagement, parking brake, and suspension geometry.

Wiring Diagrams:

Detailed electrical schematics for all vehicle systems, illustrating wiring harnesses, component locations, and circuit functions.

Depth:

Comprehensive, covering basic maintenance to full mechanical and electrical system overhauls.

Target Audience:

Professional mechanics, experienced DIY enthusiasts, and dedicated Ferrari owners.

📊 Manual Specifications

Compatibility:

PDF format compatible with all Windows, Linux, and Mac operating systems.

Printability:

User can print specific pages or the entire manual for physical reference.

Digital Binding:

N/A (Digital PDF)

Digital Paper Type:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Type:

Mid-mounted V8

Displacement:

2997 cc (3.0 Liters)

Bore X Stroke:

81 mm x 74.5 mm

Compression Ratio:

9.2:1 (approx.)

Valve Train:

Dual Overhead Camshafts (DOHC), 2 valves per cylinder

Horsepower Us Spec:

240 hp @ 7500 rpm (DIN)

Torque Us Spec:

285 Nm (210 lb-ft) @ 3500 rpm (DIN)

Early Models:

Bosch D-Jetronic Fuel Injection

Later Models:

Four Weber 40 DCNF Carburetors

Required Fuel:

Premium Unleaded Gasoline (91+ Octane)

🔧 Transmission

Transmission Type:

5-Speed Manual Transaxle (ZF S5-18/3)

Transmission Type:

3-Speed Automatic (less common)

Transaxle Layout:

Engine and gearbox mounted transversely in a single unit.

📐 Dimensions

Length:

4485 mm (176.6 in)

Width:

1770 mm (69.7 in)

Height:

1115 mm (43.9 in)

Wheelbase:

2350 mm (92.5 in)

Front Track:

1480 mm (58.3 in)

Rear Track:

1490 mm (58.7 in)

Curb Weight:

Approx. 1450 kg (3197 lbs)

Gross Vehicle Weight:

Approx. 1830 kg (4034 lbs)

🛡️ Safety Features

Crash Test Data:

No official crash test ratings available from modern agencies due to the era of production.

Braking:

Four-wheel disc brakes with ventilated rotors.

Steering:

Rack and pinion steering, optional power assistance.

Seatbelts:

Standard three-point seatbelts.

Body Construction:

Steel monocoque chassis with integrated safety cage elements.

💡 Technology Features

Audio System:

Basic factory-fitted radio and speaker system, often replaced with modern aftermarket units.

ABS:

Anti-lock Braking System was not a standard feature on early models, but may have been an option or introduced on later iterations.

Connectivity Features:

None by modern standards; purely mechanical and analog systems.

🔧 Maintenance

Oil Change:

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

Major Service:

Recommended every 20,000 km (12,000 miles) or every 2 years, involving timing belt replacement, comprehensive fluid changes, and system checks.

Timing Belt Replacement:

Every 30,000 km (18,000 miles) or 3 years, critical due to interference engine design.

Engine Oil:

SAE 20W-50 or 15W-50, API SG or higher (e.g., Valvoline VR1, Castrol Classic XL). Capacity approx. 9.5 liters (10 quarts) with filter.

Coolant:

50/50 mix of high-quality ethylene glycol antifreeze and distilled water.

Brake Fluid:

DOT 3 or DOT 4, high-temperature brake fluid.

Transmission Fluid:

GL-4 or GL-5 gear oil, viscosity grade typically 75W-90 or 80W-90. Capacity approx. 2.5 liters.

Differential Fluid:

GL-5 gear oil, viscosity grade typically 75W-90 or 80W-90. Capacity approx. 1.5 liters.

Power Steering Fluid:

Dexron III/Mercon ATF or specific hydraulic fluid as per manual.

Engine Carburetor:

Tuning and synchronization of Weber carburetors can be complex and require specialized knowledge. D-Jetronic systems can have issues with fuel pumps, pressure regulators, and air flow meters.

Timing Belt:

Critical maintenance item; failure leads to severe engine damage. Regular replacement is paramount.

Electrical System:

Aging wiring insulation, corroded connectors, and failing relays are common in cars of this vintage.

Rust Corrosion:

Bodywork and chassis are susceptible to rust, particularly in historically damp climates. Check sills, wheel arches, and floor pans.

HVAC System:

Age-related degradation of hoses, seals, and refrigerant leaks are common. Original R12 refrigerant is now obsolete.

📚 Vehicle History

Heritage Connection:

While badged as 'Dino' to differentiate from the V12 Ferraris and avoid diluting the flagship image, the 308 GT4 was conceived and engineered by Ferrari and shares its DNA with the brand's performance heritage.

Development:

Conceived as a more practical and accessible Ferrari, it was designed by Marcello Gandini of Bertone. It was originally intended to be badged as a Lancia or a Dino-branded Ferrari, but eventually adopted the Ferrari badge.

Engine Transition:

Initially launched with a 2.0-liter V8 for the Italian market (due to tax laws) and a 3.0-liter V8 for export markets. The 3.0-liter engine became standard across all markets later in its production.

Production Period:

1973-1980

Production Numbers:

Approximately 500 units of the 2.0L and 2826 units of the 3.0L version were produced.

Manufacturing Location:

Maranello, Italy

🏆 Awards & Recognition

Design Award:

The Bertone design for the GT4 was recognized for its bold and innovative styling, earning praise for Marcello Gandini's work.

Performance Acclaim:

Praised for its V8 mid-engine configuration, which set a precedent for future Ferrari models.