🏷️ Basic Information

Make:

Ferrari

Model:

328 GTS / GTB

Model Designations:

GTS (Targa Top), GTB (Berlinetta)

Generation Code:

Type F106

Chassis Codes:

F106 BH (GTB), F106 BM (GTS)

👋 Introduction

Market Position:

The Ferrari 328 GTS and GTB represented Ferrari's entry-level, mid-engined V8 sports car in the mid-to-late 1980s, succeeding the 308 series. It was positioned as a more refined and powerful evolution, offering supercar performance with a more accessible (though still exclusive) price point compared to models like the Testarossa.

Competitive Analysis:

Competed against other high-performance European sports cars of the era, including Porsche 911 variants, Lotus Esprit, and certain high-performance coupes from manufacturers like BMW and Mercedes-Benz. Its unique mid-engined layout and V8 symphony provided a distinct driving experience.

Key Features:

Iconic Pininfarina styling, mid-engined V8 powertrain, exhilarating performance, gated manual shifter, and the distinctive Targa top of the GTS model offering open-air motoring.

📋 Manual Details

Coverage Areas:

All mechanical, electrical, bodywork, and cosmetic aspects of the Ferrari 328 GTS and GTB models.

Page Count:

Estimated 500-800+ pages (typical for Ferrari workshop manuals of this era, actual count may vary based on edition and appendices).

Manual Type:

Workshop Manual / Service Manual / Technical Data Manual

Language:

English (likely, with potential for Italian or other languages depending on original publication)

Format:

PDF

📖 Manual Coverage

Systems Covered:

Engine (V8, fuel injection, ignition, cooling, lubrication), Transmission (manual 5-speed, clutch), Drivetrain (differential, driveshafts), Suspension (front and rear independent), Steering (rack and pinion, power assist), Brakes (ventilated discs, hydraulic system), Electrical System (wiring diagrams, ECUs, charging, starting, lighting, instrumentation), Fuel System (tanks, pumps, injection), Exhaust System, Climate Control, Body and Chassis (steel chassis, aluminum body panels), Interior Trim, Security System (if applicable).

Procedures Included:

General maintenance (oil changes, filter replacements, spark plugs), Engine diagnosis and repair (compression testing, timing, fuel system adjustments), Transmission overhaul, Clutch replacement, Suspension component replacement and alignment, Brake system servicing and overhaul, Electrical system troubleshooting using wiring diagrams, Fuel injection system calibration, Cooling system flushing and repair, Ignition system troubleshooting, Body panel alignment and repair, Interior component removal and installation, Diagnostic procedures, Component testing, Torque specifications for all fasteners.

Technical Depth:

Comprehensive. Covers everything from basic scheduled maintenance to full engine and gearbox rebuilds, including detailed diagnostic flowcharts and troubleshooting guides. Suitable for experienced technicians and dedicated DIY enthusiasts.

📊 Manual Specifications

File Format:

Searchable PDF, digitally bookmarked for easy navigation.

Print Quality:

High-resolution scans suitable for printing individual pages or the entire manual.

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Type:

Naturally Aspirated V8

Engine Code:

F106 C.040

Displacement:

3186 cc

Bore X Stroke:

82 mm x 74.8 mm

Compression Ratio:

9.2:1

Valvetrain:

DOHC, 4 valves per cylinder (32 valves total)

Horsepower:

270 bhp (201 kW) @ 6300 rpm (European spec)

Torque:

314 Nm (232 lb-ft) @ 4500 rpm (European spec)

Horsepower Us Spec:

260 bhp (194 kW) @ 6300 rpm (US spec, detuned for emissions)

Torque Us Spec:

306 Nm (226 lb-ft) @ 4500 rpm (US spec)

Fuel Injection:

Bosch K-Jetronic (CIS) mechanical fuel injection

Fuel Type:

Unleaded gasoline (95 RON recommended)

Cooling Type:

Water-cooled

🔧 Transmission

Transmission Type:

5-speed Manual

Clutch Type:

Hydraulically operated, dry single plate

Transmission Type:

None (Manual transmission was standard across all markets)

Features:

Gated shifter, rear-wheel drive, limited-slip differential (LSD) often standard or a common option.

📐 Dimensions

Length:

4350 mm (171.3 in)

Width:

1750 mm (68.9 in)

Height:

1130 mm (44.5 in) (GTB), 1140 mm (44.9 in) (GTS)

Wheelbase:

2350 mm (92.5 in)

Front Track:

1455 mm (57.3 in)

Rear Track:

1434 mm (56.5 in)

Curb Weight:

1340 kg (2954 lbs) (GTB), 1410 kg (3109 lbs) (GTS)

Dry Weight:

Approx. 1200-1300 kg

🛡️ Safety Features

Safety Ratings:

No formal crash test ratings available from modern agencies due to the era of manufacture. The chassis and construction are robust for its time.

Active Features:

Four-wheel disc brakes with ventilated rotors, ABS (Anti-lock Braking System) was optional on later models and standard in certain markets.

Passive Features:

3-point seat belts, padded dashboard, roll-over protection structure integrated into the windscreen frame and rear structure (especially for GTS).

💡 Technology Features

Infotainment System:

Basic analogue instrumentation, period-correct Blaupunkt or Clarion radio/cassette player often fitted.

Driver Assistance:

Limited by modern standards. Primarily focused on the driving dynamics and performance. ABS was an optional feature on later models.

🔧 Maintenance

Major Service Interval:

Every 12,000 miles or 12 months (whichever comes first). Includes cambelt replacement.

Minor Service Interval:

Every 6,000 miles or 6 months. Includes oil and filter change, fluid level checks.

Engine Oil:

API SG or SH, SAE 20W-50 (e.g., Castrol GTX 20W-50, Valvoline VR1 20W-50 Racing)

Engine Oil Capacity:

Approx. 11.5 liters (12.2 US quarts) with filter change

Gearbox Oil:

API GL-4 or GL-5, SAE 75W-90 or 80W-90

Gearbox Oil Capacity:

Approx. 4.0 liters (4.2 US quarts)

Coolant:

Ethylene Glycol based coolant, 50/50 mix with distilled water

Brake Fluid:

DOT 3 or DOT 4

Power Steering Fluid:

Typically ATF Dexron II or equivalent

Known Issues:

Cambelt tensioner failure (preventative replacement critical), fuel line degradation (especially early models), carburetor/fuel injection tuning, dashboard cracking (often due to sun exposure), ignition system components (distributor, coil), condensation in headlamps (GTS).

Cambelt Replacement Interval:

Every 30,000 miles or 3-5 years. This is critical due to the interference engine design.

Spark Plugs:

Bosch W8AC or equivalent

Oil Filter:

Mann-Filter W940/1, Bosch 0451103038 or equivalent

Air Filter:

Mann-Filter C35136 or equivalent (typically twin filters)

Fuel Filter:

Bosch 0450920003 or equivalent

📚 Vehicle History

Brand Heritage:

Ferrari boasts a rich motorsport history dating back to the 1920s, with a legendary lineage of road and racing cars known for performance, engineering, and exclusivity.

Model Evolution:

The 328 was an evolution of the highly successful 308 GTB/GTS. It featured a larger, more powerful engine, updated suspension geometry, and subtle styling revisions, including larger side air intakes and redesigned bumpers, reflecting the brand's ongoing development.

Production Years:

1985 – 1989

Production Volume:

Approximately 7,700 units combined (approx. 2,570 GTB, 5,110 GTS).

Manufacturing Location:

Maranello, Italy

🏆 Awards & Recognition

Recognitions:

While not typically winning major awards in the contemporary sense, the 328 GTS/GTB is widely regarded as a classic and highly desirable 'modern' Ferrari, often featured in automotive enthusiast publications and collections for its design and driving experience.