Positioning:
A niche but highly regarded Italian sports car, known for its distinctive Bertone styling and mid-engined V8 configuration. The 308 GT4 represented Ferrari's first production mid-engined V8 and its first 2+2 configuration.
Competitors:
Competed against contemporary mid-engined sports cars and coupes from brands like Lamborghini (Urraco), Porsche (911), and Aston Martin.
Design Philosophy:
Designed by Bertone (Marcello Gandini), featuring a more angular and practical 2+2 seating arrangement compared to earlier Ferrari models.
Engineering Innovation:
Introduction of the mid-mounted V8 engine in a production Ferrari, designed for broader market appeal and usability.
General Coverage:
All diagnostic and repair procedures; A-Z repairs, maintenance, rebuilding, refurbishing, and restoration.
Estimated Page Count:
Varies by specific edition, typically 500+ pages for comprehensive Ferrari service manuals.
Type:
Service Repair Workshop Manual
Format:
PDF (Portable Document Format)
Engine:
V8 engine assembly, lubrication, cooling, fuel injection (Bosch K-Jetronic), ignition, exhaust.
Transmission:
Manual gearbox overhaul, clutch assembly, driveshafts.
Chassis And Suspension:
Front and rear suspension, steering system, braking system (hydraulic, discs), wheel alignment.
Electrical System:
Wiring diagrams, lighting, ignition, starting, charging, instrumentation, accessory circuits.
Body And Interior:
Body shell repair, panels, doors, glass, interior trim, seats, climate control.
Maintenance:
Routine servicing, oil changes, filter replacements, tune-ups, fluid checks, lubrication schedules.
Troubleshooting:
Diagnostic procedures, fault finding for all major systems, electrical diagnosis.
Repair:
Detailed step-by-step repair instructions for all components and systems, including engine rebuild, transmission overhaul, suspension replacement, brake system repair.
Restoration:
Guidance for refurbishment and restoration of all vehicle aspects.
Depth:
Comprehensive, covering from basic maintenance to advanced diagnostics and complete component rebuilds. Equivalent to factory service information.
Compatibility:
PC & MAC Computers, Adobe PDF Reader required.
Printability:
High quality, printable diagrams and procedures. Enables printing of individual pages as needed.
Binding:
Digital Download (PDF format), no physical binding.
Paper Type:
N/A (Digital Format)
Engine Code:
F106A, F106B (depending on year/market variations)
Engine Type:
Mid-mounted, 90-degree V8
Displacement:
2967 cc (2.9 Liters)
Bore X Stroke:
81 mm x 73 mm
Compression Ratio:
9.2:1 or 8.8:1 (depending on variant)
Horsepower:
Approx. 255 hp (DIN) at 7,700 rpm (early models), later models slightly higher or lower depending on market and emissions.
Torque:
Approx. 200 lb-ft (271 Nm) at 5,000 rpm
Fuel Delivery:
Bosch K-Jetronic (CIS) Continuous Injection System
Fuel Type:
Premium Unleaded Gasoline
Ignition System:
Electronic ignition (e.g., Marelli Digiplex or Bosch)
Type:
5-speed Manual Transaxle
Type:
Not Available (Manual transmission was standard)
Layout:
Mid-engine, rear-wheel drive with integrated transmission and differential (transaxle).
Gearbox Oil:
Refer to manual for specific GL-4 or GL-5 gear oil, typically SAE 75W-90 or 80W-90.
Length:
Approx. 4390 mm (172.8 in)
Width:
Approx. 1720 mm (67.7 in)
Height:
Approx. 1135 mm (44.7 in)
Wheelbase:
Approx. 2350 mm (92.5 in)
Curb Weight:
Approx. 1450 kg (3197 lbs)
Oil Change:
Every 5,000 km (3,000 miles) or annually, whichever comes first.
Major Service:
Timing belt replacement every 40,000 km (25,000 miles) or 5 years, check valve clearances annually or every 10,000 km.
Engine Oil:
Refer to manual for specific viscosity grade, typically 20W-50 or 10W-40, API SG or higher.
Coolant:
Proprietary Ferrari coolant or equivalent ethylene glycol-based antifreeze with corrosion inhibitors. Capacity approximately 10-12 liters.
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Engine:
Carburetor tuning (if applicable on later models or for specific markets), potential for cam belt failure if not replaced on schedule, oil leaks from engine seals.
Electrical:
Aging wiring harnesses, connector corrosion, ignition system components.
Chassis:
Rust in sills, floor pans, and front/rear subframes, particularly in cars from humid climates.
Manufacturer:
Ferrari S.p.A., Maranello, Italy.
Development:
Developed under the Dino brand ( Enzo Ferrari's son), aiming for a more accessible and less exclusive sports car. Later officially branded as Ferrari. The GT4 was an evolution from the Dino 206 GT and 246 GT/GTS.
Production Years:
1973-1980
Production Numbers:
Approximately 500 units of the 308 GT4 (GT4 designation initially, later referred to as 308 GT4).
