Description:
The Ferrari 308 QV and 328 represented a significant evolution of Ferrari's mid-engined V8 sports car, offering enhanced performance and refinement over their predecessors. These models were direct competitors to other high-performance GT cars of the era from brands like Porsche and Lamborghini.
Vehicle Features:
Pininfarina bodywork, mid-mounted V8 engine, rear-wheel drive, and celebrated driving dynamics. The QV introduced four-valve cylinder heads for improved breathing and performance.
Benefit:
Empowers owners and mechanics with factory-accurate information, enabling cost-effective maintenance, precise repairs, and a deeper understanding of these iconic Italian sports cars.
Applicable Years:
1985, 1986, 1987, 1988, 1989
Estimated Pages:
Comprehensive (Specific page count not provided, but expected to be extensive for factory service)
Type:
Factory Service Repair Manual
Powertrain:
Engine (QV & 328 variants), Fuel System (Bosch CIS-K Jetronic), Cooling System, Exhaust System
Transmission:
Manual Transmission (Gearbox operation, overhaul, fluid specifications)
Drivetrain:
Driveshafts, Differential, Clutch
Suspension Steering:
Front and Rear Suspension (Double Wishbone), Steering System (Rack and Pinion)
Brakes:
Brake System (Disc Brakes Front/Rear, ABS if applicable to specific models/years), Parking Brake
Electrical:
Ignition System, Charging System, Starting System, Lighting, Instrumentation, Power Accessories, Wiring Diagrams
Body Chassis:
Body Panels, Chassis Structure, Doors, Windows, Upholstery, Climate Control
Maintenance:
Scheduled Maintenance, Fluid Changes (Oil, Coolant, Brake Fluid, Gearbox Oil), Filter Replacements, Lubrication
Troubleshooting:
Diagnostic Procedures, Common Faults and Solutions, Electrical Schematics Analysis
Repair Overhaul:
Engine Rebuilding, Transmission Overhaul, Brake System Repairs, Suspension Component Replacement, Electrical Component Repair
Technical Specifications:
Torque Specifications, Clearances, Tolerances, Component Dimensions
Depth:
Comprehensive factory-level detail suitable for professional technicians and advanced DIY enthusiasts. Covers diagnostics, repair, and overhaul of all major vehicle systems.
Engine Type Qv:
3.0L V8 (2926 cc), Naturally Aspirated
Engine Type 328:
3.2L V8 (3185 cc), Naturally Aspirated
Horsepower Qv:
Approx. 234-240 hp (depending on market) at 6300 rpm
Torque Qv:
Approx. 206-210 lb-ft (279-285 Nm) at 4500 rpm
Horsepower 328:
Approx. 270 hp at 7000 rpm
Torque 328:
Approx. 228 lb-ft (309 Nm) at 5500 rpm
Fuel Injection:
Bosch K-Jetronic Mechanical Fuel Injection (with Lambda control for QV)
Qv Valvetrain:
DOHC, 4 valves per cylinder (24 valves total)
328 Valvetrain:
DOHC, 2 valves per cylinder (16 valves total)
Wheelbase:
Approx. 2340 mm (92.1 in)
Length:
Approx. 4250 mm (167.3 in)
Width:
Approx. 1750 mm (68.9 in)
Height:
Approx. 1130 mm (44.5 in)
Curb Weight:
Approx. 1400-1500 kg (3086-3307 lbs)
Wheel Bolt Pattern:
5x108
Front Tire Size:
205/50 VR 15
Rear Tire Size:
225/50 VR 15
Oil Change Interval:
Typically every 3,000-5,000 miles or annually. Specific interval depends on usage and oil type.
Major Service Interval:
Timing belt replacement is critical, usually every 30,000 miles or 5 years. This is a major service.
Engine Oil Type:
Refer to Manual (Often a high-quality synthetic 10W-40 or 20W-50)
Coolant Type:
Refer to Manual (Ethylene glycol-based, typically a 50/50 mix with distilled water)
Brake Fluid Type:
DOT 3 or DOT 4 High-Temperature Brake Fluid
Common Wear Items:
Clutch wear, aging rubber hoses and seals, exhaust system corrosion, electrical connection issues, fuel system component degradation (e.g., fuel lines, pump). Water pump seals can be a concern.
Engine Specific:
Timing belt tensioner and idler pulley maintenance is crucial. Fuel distributor and injector servicing for K-Jetronic systems. Carburetor or fuel injection adjustments.
Ferrari Legacy:
Ferrari has a storied history in motorsport and luxury sports car manufacturing, with a reputation for performance, design, and exclusivity.
308 To 328 Transition:
The 328 evolved from the 308 GTB/GTS, featuring a larger displacement engine (3.2L vs 3.0L), revised bodywork (often subtle), and improved suspension and braking systems. The QV (Quattrovalvole) variant of the 308 introduced the four-valve per cylinder head, bridging performance between the 308 and 328.
Production Period:
308 QV: 1982-1985; 328: 1985-1989
Body Styles:
GTB (Berlinetta - closed coupe), GTS (Targa - removable roof panel)