🏷️ Basic Information

Make:

Ferrari

Model:

328 GTB / GTS

Production Years Covered:

1985, 1986, 1987, 1988, 1989

Model Code:

328

Body Styles:

GTB (Berlinetta - Coupe), GTS (Targa - Spyder)

👋 Introduction

Market Segment:

Exotic Sports Car / Supercar

Target Audience:

Ferrari 328 GTB/GTS owners, mechanics specializing in vintage Ferraris, collectors

Competitors Era:

Lamborghini Jalpa, Lotus Esprit Turbo, Porsche 944 Turbo, Chevrolet Corvette C4

Manual Value Proposition:

Inexpensive way to keep your vehicle working properly, detailed illustrations, diagrams, wiring schematics, and specifications.

Manual Usability:

Printable pages for workshop use, numbered instructions, easy-to-use table of contents, bold figure numbers for quick reference.

📋 Manual Details

Primary Coverage:

Complete service and repair for Ferrari 328 GTB and GTS models

Secondary Coverage:

General information, diagnostics, troubleshooting, electrical systems, maintenance

Estimated Page Count:

Extensive (specific number not provided, but described as 'complete' and 'covers every detail')

Type:

Workshop Service Repair Manual / Factory Service Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine Mechanical:

Yes

Engine Electrical:

Yes

Emission Control:

Yes

Fuel System:

Yes

Suspension:

Yes

Clutch:

Yes

Manual Transaxle:

Yes

Automatic Transaxle:

Yes (likely for specific markets or later models, if applicable)

Driveshaft Axle:

Yes

Steering:

Yes

Brakes:

Yes

Body Interior Exterior:

Yes

Body Electrical:

Yes

Restraint Systems:

Yes

Diagnostic Procedures:

Yes, includes troubleshooting and detailed wiring diagrams

Repair Procedures:

Yes, step-by-step instructions with detailed illustrations

Maintenance Procedures:

Yes, implied by 'keeping your vehicle working properly' and typical workshop manual content

Electrical Service:

Yes, combined with troubleshooting and wiring diagrams

Depth:

Comprehensive, suitable for both DIY enthusiasts and experienced mechanics. Covers detailed substeps and critical information.

📊 Manual Specifications

File Type:

PDF

Printability:

Fully Printable

Zoom Capabilities:

Yes (Zoom IN/OUT)

Binding:

Digital (PDF), no physical binding

Paper Quality:

Not Applicable (Digital Format)

Operating Systems:

Compatible with all versions of Windows and Mac

Software Requirements:

Adobe PDF Reader & WinZip

⚙️ Engine Specifications

Engine Type:

Naturally Aspirated V8

Engine Code:

F105 CB

Displacement:

3.2 Liters (3185 cc)

Bore X Stroke:

83.0 mm x 73.6 mm

Horsepower Us Spec:

270 hp @ 6300 rpm (approx.)

Torque Us Spec:

232 lb-ft @ 4500 rpm (approx.)

Horsepower Eu Spec:

260 hp @ 6300 rpm (approx., due to different emissions controls)

Top Speed:

Approx. 160 mph (260 km/h)

Acceleration 0 60 Mph:

Approx. 5.5 - 6.0 seconds

Fuel Delivery:

Bosch K-Jetronic CIS Fuel Injection (later models may feature some electronic control elements, but fundamentally mechanical CIS)

Recommended Fuel:

Premium Unleaded Gasoline (91 octane or higher)

Valvetrain:

DOHC (Double Overhead Camshafts), 4 Valves per Cylinder

Cooling System:

Liquid-Cooled

Ignition System:

Electronic Ignition (specific distributor/coil configuration detailed in manual)

🔧 Transmission

Transmission Type:

5-Speed Manual Transaxle

Optional Transmission:

No Automatic Transmission offered for the 328 model.

Transaxle Layout:

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

Gearbox Oil Type:

GL-4 or GL-5 Gear Oil, Viscosity SAE 75W-90 or 80W-90 (Specific Ferrari-approved lubricant recommended, consult manual for exact spec)

📐 Dimensions

Length:

GTB: 4360 mm (171.7 in); GTS: 4365 mm (171.9 in)

Width:

1750 mm (68.9 in)

Height:

1130 mm (44.5 in)

Wheelbase:

2350 mm (92.5 in)

Curb Weight:

GTB: Approx. 1430 kg (3153 lbs); GTS: Approx. 1470 kg (3241 lbs)

Gross Vehicle Weight Rating:

Not commonly specified for exotic sports cars of this era, focus is on performance and handling.

🛡️ Safety Features

Crash Test Data:

No formal crash test ratings like modern vehicles; safety focus was on chassis design and driver control.

ABS:

Not standard on early models; optional on later models (refer to specific vehicle VIN).

Airbags:

Driver airbag became standard during the 328's production run.

Seatbelts:

3-point inertia-reel seatbelts

Chassis Design:

Steel monocoque with tubular steel subframes for engine and suspension. Designed for high-speed stability and handling.

💡 Technology Features

Audio System:

Typically a factory-installed AM/FM/Cassette stereo system. Manual may cover basic diagnostics and speaker replacement.

Air Conditioning:

Standard on most models. Manual will cover compressor, refrigerant (R12 on these models), and system operation/diagnostics.

Cruise Control:

Available as an option on some models.

Connectivity Features:

Not applicable in the modern sense (no Bluetooth, USB, etc.).

🔧 Maintenance

Oil Change Interval:

Typically every 3,000-5,000 miles (5,000-8,000 km) or annually, whichever comes first. Engine oil and filter change required.

Timing Belt Replacement:

Critical: Every 30,000 miles (50,000 km) or 5 years. Failure can lead to catastrophic engine damage. Manual will detail procedure and tensioning.

Major Service Intervals:

Annual inspections recommended, with comprehensive service typically around 15,000-30,000 miles to cover all fluids, filters, belts, and checks.

Engine Oil Type:

Synthetic SAE 10W-40 or 15W-50 (Specific API classification and Ferrari approval recommended, consult manual for exact spec).

Coolant Type:

Ethylene Glycol based antifreeze (50/50 mix with distilled water). Specific type and color may be specified by Ferrari.

Brake Fluid Type:

DOT 4 (or higher) brake fluid.

Power Steering Fluid Type:

Hydraulic fluid (e.g., ATF Dexron II/III or specific power steering fluid, consult manual for exact specification).

Common Wear Items:

Ignition components (coils, wires), fuel system (pumps, injectors, fuel lines), suspension bushings, clutch components, brake wear, rubber seals and hoses.

Timing Belt Risk:

High severity if not replaced at intervals due to interference engine design.

Electrical Gremlins:

Older Italian cars can develop electrical issues due to aging wiring and connectors; manual's wiring diagrams are invaluable.

📚 Vehicle History

Ferrari Legacy:

Continuation of Ferrari's mid-engine V8 sports car lineage, evolving from the 208/308 series.

Predecessor:

Ferrari 308 GTB/GTS

Successor:

Ferrari F355

Key Differences From 308:

Larger displacement engine (3.2L vs 2.9L), improved fuel injection (Bosch CIS), revised aerodynamics, updated interior and suspension.

Production Period:

1985-1989

Total Production Numbers:

Approx. 7,700 units (combined GTB and GTS)

Manufacturing Location:

Maranello, Italy

🏆 Awards & Recognition

Historical Accolades:

While specific awards are not listed for the 328 itself, it is widely recognized as a classic and desirable Ferrari model, representing a peak of design and performance for its era. Often praised for its usability and driving dynamics compared to earlier models.