🏷️ Basic Information

Make:

Ferrari

Model:

308 Quattrovalvole, 328 GTB, 328 GTS

Model Code:

308 QV (1982-1985), 328 GTB (1985-1989), 328 GTS (1985-1989)

Product Type:

Workshop Service Repair Manual

👋 Introduction

Positioning:

Essential resource for owners and mechanics of classic Ferrari V8 models, providing factory-level repair information

Value Proposition:

Offers a cost-effective alternative to dealership service for maintaining and repairing these iconic Italian sports cars.

Detail Level:

Highly detailed with step-by-step instructions and hundreds of illustrations and photos, suitable for DIY enthusiasts and professional mechanics.

Completeness:

Described as '100 percent complete and intact', covering all aspects of service and repair.

Usability:

PDF format is universally compatible with PC-based Windows operating systems and Mac, facilitating easy access and printing.

📋 Manual Details

Primary Coverage:

Ferrari 308 Quattrovalvole, Ferrari 328 GTB, Ferrari 328 GTS

Geographic Coverage:

Global (factory specifications)

Estimated Page Count:

Extensive (specific page count not provided, but described as '100 percent complete and intact' with 'hundreds of photos and illustrations')

Type:

Factory Service Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine:

Detailed overhaul, diagnosis, tuning, fuel injection system (Bosch K-Jetronic for 308 QV, Bosch LE2-Jetronic for 328), ignition system, cooling system, exhaust system

Transmission:

Manual transmission overhaul, clutch system, drive axles, gearbox repair

Brakes:

Hydraulic system, ABS (where applicable on later models), brake pad and rotor replacement, caliper overhaul, bleeding procedures

Suspension:

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

Steering:

Steering rack, power steering system, tie rods, steering column

Electrical:

Wiring diagrams, lighting system, instrumentation, starting and charging system, fuses and relays, electronic control units (ECUs)

Fuel System:

Fuel pump, fuel lines, fuel injectors, fuel pressure regulator, fuel tank

Body And Chassis:

Body panel removal and installation, door mechanisms, window regulators, interior trim, chassis components, structural integrity checks

HVAC:

Air conditioning system, heating system, ventilation components

Cooling System:

Radiator, coolant hoses, water pump, thermostat, cooling fan operation

Routine Maintenance:

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

Troubleshooting:

Diagnostic procedures for common faults, symptom-based troubleshooting guides

Engine Rebuild:

Complete engine disassembly, inspection, repair, and reassembly procedures

Transmission Repair:

Gearbox overhaul, synchromesh repair, bearing replacement

Brake Service:

Pad and rotor replacement, caliper overhaul, hydraulic system maintenance

Electrical Diagnostics:

Use of multimeters, oscilloscopes, and diagnostic tools for electrical faults

Suspension And Steering Repair:

Replacement of ball joints, tie rod ends, bushings, wheel bearing service

Fuel System Service:

Injector cleaning and replacement, fuel pump testing, pressure regulation

Bodywork And Trim:

Panel alignment, removal/installation of exterior and interior trim pieces

Depth:

Comprehensive (from basic maintenance to complete engine and transmission rebuilds, including detailed diagnostics)

📊 Manual Specifications

File Type:

PDF

Searchability:

Likely text-searchable due to PDF format, enhancing usability

Page Printability:

All pages are printable

Binding:

Digital (PDF download, not a physical book)

Paper Type:

N/A (digital format)

⚙️ Engine Specifications

Engine Type:

Mid-mounted, transverse V8

Displacement 308Qv:

2927 cc (2.9 L)

Displacement 328:

3185 cc (3.2 L)

Bore Stroke 308Qv:

82 mm x 71 mm

Bore Stroke 328:

83 mm x 73.6 mm

Compression Ratio 308Qv:

9.2:1

Compression Ratio 328:

9.6:1

Valvetrain:

DOHC, 4 valves per cylinder (Quattrovalvole)

Horsepower 308Qv:

Approx. 235 hp (175 kW) @ 6300 rpm

Horsepower 328:

Approx. 270 hp (201 kW) @ 7000 rpm

Torque 308Qv:

Approx. 260 Nm (192 lb-ft) @ 5000 rpm

Torque 328:

Approx. 301 Nm (222 lb-ft) @ 5500 rpm

Fuel Delivery 308Qv:

Bosch K-Jetronic Continuous Injection System (CIS)

Fuel Delivery 328:

Bosch LE2-Jetronic Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded gasoline (Octane rating specified in manual)

🔧 Transmission

Type:

5-speed manual transaxle

Type:

N/A (all models featured manual transmission)

Layout:

Transverse mid-engine, rear-wheel drive

Clutch:

Hydraulically actuated single dry plate clutch

📐 Dimensions

Wheelbase:

Approx. 2350 mm (92.5 in)

Length 308Qv:

Approx. 4200 mm (165.4 in)

Length 328:

Approx. 4205 mm (165.6 in)

Width:

Approx. 1700 mm (66.9 in)

Height:

Approx. 1100-1130 mm (43.3-44.5 in) depending on model

Dry Weight 308Qv:

Approx. 1400 kg (3086 lbs)

Dry Weight 328:

Approx. 1370-1400 kg (3020-3086 lbs)

🛡️ Safety Features

Crash Test Results:

N/A (vehicles of this era were not subjected to modern crash testing standards)

Brakes:

Ventilated disc brakes front and rear

ABS:

Optional on later 328 models

Seatbelts:

Three-point seatbelts

Construction:

Steel monocoque chassis with composite body panels (Sassari construction)

💡 Technology Features

Audio System:

Typically period-appropriate aftermarket or original radios with AM/FM and cassette. Manual may cover basic electrical connections for audio components.

ABS:

Available on some later 328 models, manual will detail its function and servicing.

Connectivity Features:

None (These vehicles predate modern connectivity standards like Bluetooth or USB integration).

🔧 Maintenance

Oil Change Interval:

Typically every 5,000 - 7,500 km (3,000 - 4,500 miles) or annually, as detailed in the manual. Engine oil and filter. Manual will specify exact intervals and oil types.

Timing Belt Replacement:

Crucial for V8 Ferrari engines. Intervals vary but are generally around 24,000-30,000 miles or 3-5 years. The manual will provide precise intervals and procedures for timing belt replacement, which is an interference engine design.

Major Service:

Includes spark plugs, fuel filters, air filters, coolant flush, brake fluid flush, and belt inspection/replacement. Specific mileage intervals provided in the manual.

Engine Oil:

Specific viscosity and API/ACEA specifications will be detailed in the manual. Often multi-viscosity oils like 20W-50 or 10W-40 were recommended. Owners should consult the manual for exact factory fill and recommended alternatives. Example: API SG or SH spec.

Coolant:

Ethylene glycol based coolant with corrosion inhibitors. Manual will specify mixture ratio and type.

Brake Fluid:

DOT 3 or DOT 4 fluid, depending on ABS fitment. Manual will specify the correct type for bleeding and reservoir top-up.

Transmission Fluid:

Manual transmission fluid (MTF) with specific viscosity and GL rating. Manual will list exact specifications and capacity.

Differential Fluid:

GL-5 specification gear oil. Manual will detail type and capacity.

Engine Component Wear:

Timing belt tensioner and idler pulley wear, valve guides, piston rings, and oil seals can be sources of oil consumption or leaks over time. The manual provides diagnostic procedures for these.

Fuel System Issues:

Degradation of fuel lines and seals due to age and fuel composition. K-Jetronic systems can require careful adjustment. Manual covers diagnosis and parts replacement.

Electrical Gremlins:

Age-related issues with wiring insulation, connectors, and ground points can cause intermittent faults. Comprehensive wiring diagrams in the manual are invaluable for troubleshooting.

Cooling System Leaks:

Aging hoses, radiator cores, and water pump seals can lead to coolant leaks. Manual outlines inspection and replacement procedures.

📚 Vehicle History

Brand Origin:

Ferrari S.p.A. - Italian manufacturer renowned for high-performance sports cars.

308 Lineage:

The 308 Quattrovalvole (QV) was an evolution of the 308 GTB/GTS, introducing the four-valve-per-cylinder heads for improved performance and emissions. The 328 replaced the 308 QV, featuring a larger displacement engine, updated styling, and improved drivability.

328 Introduction:

Launched in 1985, the 328 GTB (Berlinetta) and 328 GTS (Targa top) were significant updates to the 308 series.

Production Years 308Qv:

1982-1985

Production Years 328:

1985-1989

Manufacturing Location:

Maranello, Italy