Target Audience:
Ferrari owners, classic car enthusiasts, and independent workshops specializing in Italian exotics.
Manual Advantage:
Provides authoritative, in-depth technical information essential for maintaining and repairing these iconic vehicles, often surpassing limited factory documentation available to the public.
Resource Value:
Enables owners to perform maintenance and repairs, saving significant costs and preserving the vehicle's value and performance.
Engine:
Comprehensive coverage of the Ferrari V8 engine, including components, assembly, disassembly, timing, and diagnostics.
Transmission:
Detailed procedures for the manual gearbox, including clutch, synchromesh, gear selection, lubrication, and overhaul.
Cooling System:
Maintenance, repair, and troubleshooting of the radiator, coolant flow, fan systems, and water pump.
Lubrication System:
Oil pump, oil passages, filter servicing, and lubrication specifications for engine and transmission.
Rear Axle:
Differential maintenance, lubrication, and potential adjustments.
Chassis Hitch Points:
Identification and specifications for jacking and lifting points.
Maintenance:
Routine service, oil changes, filter replacements, tune-ups, and preventative maintenance schedules.
Repair And Overhaul:
Step-by-step instructions for rebuilding major components like the engine, transmission, and suspension.
Diagnostics:
Troubleshooting common problems, identifying fault causes, and corrective actions.
Depth Level:
Comprehensive workshop-level detail, suitable for professional mechanics and experienced enthusiasts.
Engine Type:
Ferrari Tipo F106 AB (308 QV), Tipo F106 BC (328 GTB/GTS)
Engine Configuration:
90-degree V8, mid-engine, longitudinal
Displacement 308Qv:
2926 cc (2.9 Liters)
Displacement 328:
3185 cc (3.2 Liters)
Bore X Stroke 308Qv:
81.0 mm x 71.0 mm
Bore X Stroke 328:
83.0 mm x 73.6 mm
Horsepower 308Qv:
235 hp (175 kW) at 6300 rpm (European spec)
Horsepower 328:
270 hp (201 kW) at 7000 rpm (European spec)
Torque 328:
314 Nm (231 lb-ft) at 5500 rpm (European spec)
Fuel Delivery 308Qv:
Bosch K-Jetronic mechanical fuel injection
Fuel Delivery 328:
Bosch Motronic M1.7 electronic fuel injection
Ignition System:
Distributorless ignition (for 328 models), twin distributors (for 308 QV models)
Cylinder Heads:
Four valves per cylinder (Quattrovalvole)
Wheelbase:
Approx. 2340 mm (92.1 in)
Length Gtb Gts:
Approx. 4216 mm (166.0 in)
Width Gtb Gts:
Approx. 1740 mm (68.5 in)
Height Gtb Gts:
Approx. 1130 mm (44.5 in)
Curb Weight 328:
Approx. 1330 kg (2932 lbs)
Original Features:
Period-appropriate audio systems, typically analog radios with cassette players.
Assistance Systems:
No modern electronic driver assistance systems (e.g., ABS, traction control) were standard on most models, though ABS became available later in the 328 production run.
Oil Change Interval:
Typically every 5,000-7,500 km (3,000-4,500 miles) or annually, depending on usage.
Timing Belt Replacement:
Crucial interval, typically every 20,000-30,000 km (12,000-18,000 miles) or 3-5 years, as failure can cause catastrophic engine damage.
Engine Oil Type:
High-performance synthetic oil, e.g., SAE 20W-50 or 10W-40, API SG or higher (specific Ferrari recommendations vary by year and region).
Gearbox Oil Type:
GL-5 specification gear oil, e.g., SAE 75W-90 or 80W-90.
Coolant Type:
Ethylene glycol-based antifreeze/coolant mixture, typically 50/50 with distilled water.
Carburetor Maintenance 308Qv:
Frequent need for tuning and synchronization of the Weber carburetors.
Electrical System Reliability:
Older wiring looms and connectors can degrade, leading to intermittent electrical faults.
Fuel Line Degradation:
Rubber fuel lines can degrade over time and require replacement to prevent leaks.
Clutch Wear:
Clutch wear is dependent on driving style, but replacement is a significant repair.
Torque Specifications:
Extensive list of torque values for critical engine, chassis, and suspension components.
Manufacturer:
Ferrari S.p.A., Maranello, Italy
308 Qv Production Years:
1982-1985
328 Production Years:
1985-1989
308 Qv Development:
An evolution of the 308 GTB/GTS, introducing the four-valve per cylinder setup for improved breathing and performance.
328 Development:
A significant update to the 308 lineage, featuring a larger displacement engine, updated styling, and improved electronics (Motronic).
Production Variants:
GTB (Berlinetta - fixed roof coupe), GTS (Spider - targa top)
