🏷️ Basic Information

Make:

Ferrari

Model:

308 QV / 328

Model Generations Covered:

308 Quattrovalvole (QV) and 328 GTB/GTS

Chassis Codes:

308 QV: F106 BB, F106 BC, F106 BF; 328 GTB: F106 CB; 328 GTS: F106 CD

Engine Codes:

308 QV: F106 BB (Euro), F106 BC (US DM-Jetronic), F106 BF (US CIS-Jetronic); 328: F106 CB (Euro), F106 CD (US)

👋 Introduction

Target Audience:

Ferrari owners, independent workshops specializing in Italian exotics, and DIY enthusiasts with a passion for classic Ferrari maintenance and restoration.

Value Proposition:

Provides critical technical data and procedural guidance essential for maintaining and repairing these complex V8 Ferraris, offering a cost-effective alternative to dealership service for owners who prefer hands-on work or specialized independent mechanics.

Comprehensiveness:

The manual covers a broad spectrum of vehicle systems, from mechanical and electrical to body and interior, aiming to be a single source for repair and maintenance information.

Accessibility:

Delivered in PDF format, ensuring easy portability and accessibility across various digital devices, facilitating use in workshop environments.

📋 Manual Details

Manual Type:

Service Manual / Repair Manual

Language:

English

Format:

PDF

Digital Features:

Searchable, easy to navigate on electronic devices

📖 Manual Coverage

Engine Mechanical:

Detailed information on engine disassembly, assembly, overhaul, timing belt replacement, valve adjustment, cylinder head, cylinder block, crankshaft, connecting rods, pistons, lubrication system (oil pump, oil filter, oil cooler), cooling system (radiator, water pump, cooling fan).

Fuel System:

Covers fuel injection systems (Bosch K-Jetronic/CIS-Jetronic/DM-Jetronic), fuel pumps, fuel injectors, throttle body assembly, fuel tank, fuel lines, fuel filter, charcoal canister, emission control systems.

Ignition System:

Details on ignition coils, distributor, spark plugs, ignition timing, starter motor assembly, starter switch, charging system (generator assembly).

Transmission:

Comprehensive coverage of manual transaxle systems, including clutch unit, clutch master/release cylinders, clutch pedal, transmission valve body, input/output shafts, torque converter clutch (if applicable for variants), and transmission oil specifications.

Drivetrain:

Information on drive shafts, front and rear axle hubs, differential case assembly, and axle seals.

Suspension:

Front and rear suspension systems, including front/rear suspension arms, front stabilizer bar, front/rear shock absorbers, front/rear coil springs, and wheel alignment procedures.

Steering:

Steering system components, including steering column, power steering system, power steering link assembly, and steering sensors.

Brakes:

Complete brake system coverage: brake master cylinder, brake booster, brake fluid specifications, brake calipers, brake pads, brake discs, parking brake system (lever, cable), and ABS/skid control sensor information.

Electrical System:

Extensive wiring diagrams, wire harness repair, lighting system (headlamps, taillamps, interior lights), combination meter, horn, audio & visual system, antenna components, and power distribution.

Body And Interior:

Body repair procedures, door glass weatherstrips, window defogger system, power window control system, sunroof system, seat belts, airbag systems (seat, side, curtain shield, passenger, front/rear sensors), instrument panel, and interior trim components.

Heating And Air Conditioning:

Air conditioning system components, blower assembly, condenser, refrigerant types, heater radiator assembly, and control systems.

Wiper And Washer:

Windshield wiper motor assembly, wiper rubber, washer nozzles, and washer systems.

Maintenance:

Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspections and replacements (including critical timing belts).

Troubleshooting:

Diagnostic procedures for common and uncommon issues, fault codes (if applicable), electrical system diagnostics using wiring diagrams, engine performance diagnostics.

Repair:

Detailed step-by-step repair instructions for all major vehicle systems, including engine rebuilds, transmission overhauls, suspension component replacement, brake system repairs, and electrical component repairs.

Installation:

Procedures for replacing various components, such as starter motors, alternators, water pumps, fuel pumps, and body panels.

Diagnostic Capabilities:

Advanced diagnostic information, including wiring diagrams for tracing electrical faults, component testing procedures, and sensor signal analysis.

Rebuild Procedures:

Comprehensive guides for complete engine and transmission rebuilds, including specifications for machining and component clearances.

📊 Manual Specifications

File Type:

PDF (Portable Document Format)

Searchability:

Text-based PDF allowing for keyword searching of technical information.

Printability:

High-quality, printable pages for on-site mechanical work.

Organization:

Likely organized into chapters and sections corresponding to vehicle systems, with clear indexing and table of contents.

⚙️ Engine Specifications

Engine Type:

Naturally Aspirated V8

Displacement:

308 QV: 2.9 liters (2927 cc); 328: 3.2 liters (3185 cc)

Horsepower 308Qv:

Approx. 230-240 hp (depending on market and fuel injection system)

Horsepower 328:

Approx. 270 hp (Euro) / 260 hp (US)

Torque 308Qv:

Approx. 260-270 Nm (depending on market)

Torque 328:

Approx. 305 Nm (Euro) / 300 Nm (US)

Injection System 308Qv:

Bosch K-Jetronic (CIS) or DM-Jetronic (MPI on later models)

Injection System 328:

Bosch Motronic (MPI)

Fuel Type:

Unleaded gasoline (Octane rating specified in manual)

🔧 Transmission

Type:

5-speed Manual Transaxle

Type:

None offered from factory

Transaxle Layout:

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

Clutch Type:

Dry single plate clutch, hydraulically actuated.

📐 Dimensions

Body Styles:

Berlinetta Boxer (GTB - coupe), Targa Top (GTS - spider)

Length Approx:

308: ~4240 mm (167 in); 328: ~4265 mm (168 in)

Width Approx:

~1720 mm (67.7 in)

Height Approx:

~1135 mm (44.7 in)

Curb Weight Approx:

308: ~1400 kg (3086 lbs); 328: ~1480 kg (3263 lbs)

🛡️ Safety Features

Crash Testing:

Limited official crash testing data available for this era of exotic cars; focus on driver safety systems.

ABS:

Available on later 308 QV models and standard on 328 models. Manual will cover ABS system components and diagnostics.

Skid Control Sensor:

Integral to ABS systems, covered in the manual for diagnostic purposes.

Seat Belts:

Three-point inertia-reel seat belts. Manual will detail their function and replacement.

Airbags:

Not typically equipped with airbags in standard configuration. Manual will detail any supplemental restraint systems if present on specific market variants.

💡 Technology Features

Audio System:

Original period-appropriate radio and speaker systems. Manual will cover their wiring and basic troubleshooting.

ABS:

As mentioned, ABS was an optional/standard feature on later models, with associated sensors and control modules detailed in the manual.

Not Applicable:

These vehicles predate modern automotive connectivity standards like Bluetooth or USB. Manual focuses on mechanical and core electrical systems.

🔧 Maintenance

Timing Belt Replacement:

Crucial interval, typically every 30,000 miles or 5 years. Manual will detail the procedure, tensioning, and related components (tensioner, idler pulleys).

Oil Change:

Recommended every 7,500 miles or annually. Manual will specify the correct oil type and capacity.

Valve Adjustment:

Recommended periodically, often tied to timing belt service. Manual provides specific clearance specifications and procedures.

Engine Oil:

High-quality synthetic or semi-synthetic engine oil, typically SAE 10W-50 or 20W-50, with specific Ferrari approvals. Manual will list exact specifications.

Transmission Fluid:

Manual transaxle oil (e.g., SAE 75W-90 or 80W-90 GL-4/GL-5), with specific viscosity and additive requirements. Manual will detail capacities and type.

Brake Fluid:

DOT 3 or DOT 4 high-temperature brake fluid. Manual will specify correct type and bleeding procedure.

Coolant:

Ethylene glycol-based coolant, typically a 50/50 mix with distilled water. Manual will specify type and capacity.

Timing Belt Failure:

Critical to adhere to replacement intervals to avoid catastrophic engine damage due to interference design. Manual stresses importance.

Fuel Injection System:

Older Bosch injection systems can be complex and require specialized knowledge for troubleshooting. Manual provides detailed diagrams and diagnostic steps.

Electrical Gremlins:

Vintage Ferraris can be prone to aging wiring harnesses and electrical issues. Comprehensive wiring diagrams in the manual are invaluable.

Carburetor Tuning 308:

For earlier 308 models not covered here, but the transition to fuel injection in the QV is a key manual focus. Manual covers injection system tuning and diagnostics.

📚 Vehicle History

Ferrari Legacy:

Ferrari's long-standing tradition of producing high-performance, mid-engined sports cars, building upon the success of the Dino series and the 246 GT.

308 Development:

Evolved from the 308 GT4 and 308 GTB/GTS (carbureted), with the QV introducing a 4-valve per cylinder head for improved performance. Marked a significant shift towards fuel injection for emissions and efficiency.

328 Development:

A significant evolution of the 308 platform, featuring increased displacement, updated engine management, revised suspension, and minor cosmetic enhancements, solidifying its reputation as a more refined and powerful iteration.

Production Years 308Qv:

1982-1985

Production Years 328:

1985-1989

Production Locations:

Maranello, Italy

🏆 Awards & Recognition

Collectible Status:

Both the 308 QV and 328 are highly regarded classic Ferraris, appreciated for their styling, driving dynamics, and the iconic V8 soundtrack. They are considered valuable collector cars.

Performance Reviews:

Consistently praised in contemporary reviews for their performance, handling, and Pininfarina design. The 328 is often cited as a more user-friendly and potent evolution of the 308.