Covered Models:
Ferrari 308 Quattrovalvole, 328 GTB, 328 GTS
Covered Model Years:
1985, 1986, 1987, 1988, 1989
Estimated Page Count:
Extensive (typically 800-1200+ pages for comprehensive manuals of this era)
Manual Type:
Service and Repair Manual
Engine Mechanical:
Complete overhaul, diagnostics, timing, valve adjustments, lubrication, cooling system integration.
Fuel System:
Fuel injection system (Bosch K-Jetronic/KE-Jetronic), fuel pumps, injectors, fuel lines, pressure regulators, fuel tank maintenance.
Ignition System:
Ignition timing, spark plugs, coils, distributors, electronic ignition control modules.
Cooling System:
Radiator, cooling fans, water pump, coolant hoses, thermostat, system flush and fill procedures.
Electrical System:
Wiring diagrams, starter motor, alternator, battery, lighting, gauges, accessories, fuses, relays, electronic control units (ECUs).
Chassis And Suspension:
Front and rear suspension components, shock absorbers, springs, bushings, steering system, wheel alignment procedures.
Brakes:
Brake system hydraulics, disc brakes (front and rear), brake pads, rotors, calipers, brake fluid specifications, bleeding procedures.
Transmission Manual:
Manual gearbox (Type Ferrari P-727), clutch assembly, gear linkage, maintenance, and repair procedures.
Transmission Automatic:
If applicable to specific market variants, though manual was standard for most. (Details would depend on the specific manual's scope).
Bodywork And Trim:
Exterior panel removal and installation, interior trim components, door mechanisms, window regulators.
Emission Control:
Exhaust system, catalytic converters (if fitted), emission control sensors, diagnostics.
Preventative Maintenance:
Scheduled maintenance intervals, fluid checks and changes, filter replacements, belt inspections.
Diagnostic Procedures:
Troubleshooting guides, symptom-based diagnostics, fault code interpretation (if applicable to onboard diagnostics).
Repair And Rebuild:
Detailed step-by-step instructions for component disassembly, repair, and reassembly.
Torque Specifications:
Critical torque values for engine, chassis, and suspension fasteners.
Special Tool Requirements:
Identification and usage of specialized Ferrari tools for specific procedures.
Depth Of Coverage:
Comprehensive; covers everything from basic scheduled maintenance to full engine and transmission rebuilds.
Engine Type 308Qv:
Ferrari Tipo F106 BB V8 (4 valves per cylinder)
Engine Type 328:
Ferrari Tipo F106 CD V8 (4 valves per cylinder, enlarged displacement)
Displacement 308Qv:
2926 cc (2.9 L)
Displacement 328:
3185 cc (3.2 L)
Horsepower 308Qv:
Approx. 230-240 hp (depending on market/tuning)
Horsepower 328:
Approx. 260-270 hp (depending on market/tuning)
Torque 328:
Approx. 223 lb-ft (303 Nm)
Injection System:
Bosch K-Jetronic (308 QV) / Bosch KE-Jetronic (328)
Engine Placement:
Mid-engine
Cylinders:
8 (V configuration)
Valvetrain:
DOHC (Double Overhead Camshafts), 4 valves per cylinder
Major Service Interval:
Typically every 7,500 miles (12,000 km) or annually, with a timing belt replacement every 30,000 miles (50,000 km) or 5 years.
Engine Oil Type:
API SG/SH or higher, SAE 15W-50 or 20W-50 recommended (consult manual for precise viscosity based on climate).
Coolant Type:
Ethylene glycol-based antifreeze with corrosion inhibitors (typically a 50/50 mix with distilled water).
Brake Fluid Type:
DOT 4 High Performance Brake Fluid
Transmission Fluid Type:
GL-5 Gear Oil, SAE 75W-90 or 80W-90 (confirm specific capacity and spec in manual).
Common Concerns:
Timing belt degradation/failure (critical!), carburetor/fuel injection tuning (K-Jetronic sensitivity), cooling system leaks, aging rubber/plastic components, electrical gremlins, clutch wear.
Legacy:
Continuation of Ferrari's lineage of mid-engined V8 sports cars, building on the success of the 308 GTB/GTS.
308 To 328 Transition:
The 328 represents an evolution of the 308 QV, featuring an enlarged engine, revised styling cues (e.g., bumpers, badging), and mechanical updates for improved performance and reliability.
Production Period:
308 GTB/GTS QV (1982-1985), 328 GTB/GTS (1985-1989)