Positioning:
        
        
            The Ferrari 328 GTB was positioned as a high-performance, exotic sports car, representing a significant evolution from its predecessor, the 308 GTB, with a focus on improved usability and performance.
        
     
    
    
        
            Competitors:
        
        
            Competed against other mid-engined V8 sports cars of its era, such as the Porsche 944 Turbo, Lotus Esprit Turbo, and certain contemporary Aston Martin and Lamborghini models.
        
     
    
    
        
            Design Philosophy:
        
        
            Pininfarina design, focus on aerodynamic efficiency, driver engagement, and a refined V8 experience.
        
     
    
        
            Manual Advantage:
        
        
            The electronic format offers superior clarity and ease of use through zooming and search functionality compared to traditional print manuals.
        
     
    
    
        
            Value:
        
        
            Empowers owners and technicians to perform maintenance and repairs independently, saving significant costs while ensuring factory-correct procedures are followed.
        
     
 
    
    
    
        
            Engine:
        
        
            Full coverage including disassembly, assembly, troubleshooting, and specifications.
        
     
    
        
            Fuel System:
        
        
            Detailed procedures for fuel injection, pumps, lines, and filters.
        
     
    
        
            Electrical System:
        
        
            Wiring diagrams, component testing, ignition system, lighting, and accessories.
        
     
    
        
            Transmission:
        
        
            Manual gearbox maintenance, repair, and adjustment procedures.
        
     
    
        
            Suspension And Steering:
        
        
            Components, adjustments, and alignment procedures.
        
     
    
        
            Brakes:
        
        
            Hydraulic system, ABS (if applicable), component replacement, and bleeding procedures.
        
     
    
        
            Cooling System:
        
        
            Radiator, fan, pump, and thermostat service.
        
     
    
        
            Exhaust System:
        
        
            Component identification and replacement.
        
     
    
        
            Body And Chassis:
        
        
            Panel removal, repair, and structural information.
        
     
    
        
            Interior Trim:
        
        
            Component removal and installation.
        
     
    
    
        
            General Maintenance:
        
        
            Scheduled maintenance, fluid changes, filter replacements, and inspections.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic procedures for common and uncommon issues, fault code interpretation.
        
     
    
        
            Engine Rebuild:
        
        
            Detailed steps for engine disassembly, overhaul, and reassembly.
        
     
    
        
            Component Replacement:
        
        
            Step-by-step guides for replacing major and minor components.
        
     
    
        
            Electrical Diagnosis:
        
        
            Tracing circuits, testing sensors, and diagnosing electrical faults.
        
     
    
        
            Suspension Adjustment:
        
        
            Alignment and geometry setting procedures.
        
     
    
        
            Rigging Information:
        
        
            Procedures and considerations for lifting and transporting the vehicle.
        
     
    
        
            Index:
        
        
            Comprehensive index for quick access to information.
        
     
    
        
            Appendix:
        
        
            Supplementary data, charts, and additional technical information.
        
     
    
    
        
            Depth:
        
        
            Factory-level detail suitable for professional technicians and experienced DIY enthusiasts.
        
     
 
    
    
    
        
            Engine Type:
        
        
            Mid-mounted, naturally aspirated V8
        
     
    
        
            Displacement:
        
        
            3.2 liters (3185 cc)
        
     
    
        
            Bore X Stroke:
        
        
            83 mm x 73.6 mm
        
     
    
    
        
            Valvetrain:
        
        
            DOHC, 4 valves per cylinder (32 valves total)
        
     
    
    
        
            Horsepower:
        
        
            270 hp (201 kW) at 6300 rpm
        
     
    
        
            Torque:
        
        
            314 Nm (232 lb-ft) at 4500 rpm
        
     
    
    
        
            Fuel Delivery:
        
        
            Bosch K-Jetronic fuel injection
        
     
    
        
            Fuel Type:
        
        
            Unleaded Gasoline (91 octane or higher recommended)
        
     
    
    
        
            Cooling Type:
        
        
            Water-cooled
        
     
    
    
        
            Oil Capacity:
        
        
            Approx. 9.5 liters (10 US quarts) - check manual for exact spec
        
     
    
        
            Recommended Oil Viscosity:
        
        
            SAE 15W-50 or 20W-50 (check manual for specific environmental conditions)
        
     
 
    
    
    
        
            Type:
        
        
            5-speed manual transaxle
        
     
    
    
        
            Clutch:
        
        
            Hydraulically operated single dry plate clutch
        
     
    
        
            Gear Ratios:
        
        
            Specific ratios are detailed within the manual.
        
     
    
        
            Differential:
        
        
            Limited-slip differential (LSD) often standard or optional.
        
     
    
    
        
            Gear Oil Type:
        
        
            GL-5, SAE 75W-90 or 80W-90 (check manual for specific Ferrari recommendations)
        
     
 
    
    
    
        
            Length:
        
        
            Approx. 4350 mm (171.3 in)
        
     
    
        
            Width:
        
        
            Approx. 1750 mm (68.9 in)
        
     
    
        
            Height:
        
        
            Approx. 1130 mm (44.5 in)
        
     
    
        
            Wheelbase:
        
        
            Approx. 2350 mm (92.5 in)
        
     
    
    
        
            Dry Weight:
        
        
            Approx. 1430 kg (3153 lbs)
        
     
    
        
            Gross Vehicle Weight Rating:
        
        
            Not explicitly stated, but typically higher than dry weight.
        
     
    
    
        
            Front Wheel Size:
        
        
            16 x 7J
        
     
    
    
        
            Front Tire Size:
        
        
            205/55 VR 16
        
     
    
        
            Rear Tire Size:
        
        
            225/50 VR 16
        
     
    
 
    
    
    
        
            Crash Testing:
        
        
            No standardized crash test ratings (e.g., NHTSA, Euro NCAP) available for this era and type of exotic vehicle.
        
     
    
    
        
            Braking System:
        
        
            Four-wheel disc brakes (ventilated front and rear); ABS was introduced later in the production run for some models.
        
     
    
    
        
            Seat Belts:
        
        
            Three-point inertia reel seatbelts
        
     
    
        
            Rollover Protection:
        
        
            Integrated rollover hoop behind the seats.
        
     
 
    
    
    
        
            Audio System:
        
        
            Typically an aftermarket or period-correct radio/cassette player, not integrated advanced infotainment as we know it today. Manual will cover its electrical connections.
        
     
    
    
        
            ABS:
        
        
            Anti-lock Braking System was an option on later models and is covered in the electrical and brake sections if equipped.
        
     
    
    
        
            Connectivity Features:
        
        
            None in the modern sense. Primarily mechanical and electrical systems.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically every 5,000 km (3,000 miles) or annually. Check manual for precise recommendation.
        
     
    
        
            Timing Belt Replacement:
        
        
            Critical; typically every 30,000-40,000 km (20,000-25,000 miles) or 3-5 years due to age and material degradation. The manual will specify exact intervals.
        
     
    
        
            Major Service Interval:
        
        
            Significant services, including timing belt replacement, are usually recommended at higher mileage or age intervals (e.g., 60,000 km or 5 years).
        
     
    
    
        
            Coolant Type:
        
        
            Ethylene glycol-based coolant with corrosion inhibitors. Check manual for specific Ferrari approved type and mixture ratio (typically 50/50).
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4 high-temperature brake fluid.
        
     
    
        
            Clutch Fluid Type:
        
        
            Typically the same as brake fluid (DOT 3 or DOT 4).
        
     
    
    
        
            Timing Belt Failure:
        
        
            Catastrophic engine damage can occur if timing belts fail or are not replaced at recommended intervals. This is a critical maintenance item.
        
     
    
        
            Fuel System Aging:
        
        
            Aging fuel lines, injectors, and fuel pump components can lead to leaks or performance issues. K-Jetronic systems require precise maintenance.
        
     
    
        
            Electrical Connections:
        
        
            Corrosion or degradation of electrical connectors, especially ground points, can cause intermittent faults.
        
     
    
        
            Suspension Bushings:
        
        
            Wear in rubber suspension bushings can affect handling and ride quality over time.
        
     
    
        
            Brake Component Wear:
        
        
            Like any performance car, brake pads, rotors, and fluid require regular inspection and replacement.
        
     
 
    
    
    
        
            Ferrari Legacy:
        
        
            Ferrari has a long and distinguished history in motorsport and the production of high-performance road cars, known for innovation, racing success, and iconic styling.
        
     
    
    
        
            Predecessor:
        
        
            The 328 GTB succeeded the 308 GTB/GTS and was a significant development, featuring a larger displacement engine and updated styling by Pininfarina.
        
     
    
        
            Successor:
        
        
            The 328 GTB was eventually succeeded by the Ferrari F40 and later the 348 series.
        
     
    
    
        
            Production Period:
        
        
            1985 to 1989
        
     
    
        
            Production Numbers:
        
        
            Total production for 328 GTB approximately 773 units, with another 6,068 units of the 328 GTS (Targa top).
        
     
    
        
            Manufacturing Plant:
        
        
            Maranello, Italy