Model:
308 QV / 328 GTB / 328 GTS
308 Qv Generation:
Last Series of the 308 GT4 lineage, often referred to as the 'GT4' successor.
328 Gtb/Gts Generation:
Evolution of the 308 platform, representing the final iteration before the F40.
308 Qv Designation:
Quattrovalvole (meaning 'four valves per cylinder'), referring to the engine's 32 valves.
328 Gtb Designation:
Gran Turismo Berlinetta (coupe body style).
328 Gts Designation:
Gran Turismo Spider (targa top body style).
Market Position:
A pinnacle of 1980s Italian automotive design and performance, these models represent accessible entry points into classic Ferrari ownership.
Competitive Landscape (Era):
Competed with other V8-powered exotics of the era, such as the Porsche 911, Lotus Esprit, and Chevrolet Corvette ZR-1.
Key Vehicle Features:
Mid-mounted V8 engine, Pininfarina styling, exceptional handling, and a driving experience that defined a generation of supercars.
Manual Utility For Owners:
Empowers owners to perform maintenance and repairs themselves, saving on dealership costs and fostering a deeper understanding of their vehicle.
Diy Philosophy:
Encourages hands-on engagement with the vehicle, promoting a rewarding ownership experience and potential cost savings.
Manual Coverage Scope:
Comprehensive service and repair for Ferrari 308 QV, 328 GTB, and 328 GTS models.
Estimated Page Count:
Not specified, but typical factory service manuals of this era are extensive, likely exceeding 500 pages with detailed diagrams.
Manual Type:
Factory Service/Repair Manual.
Engine Systems:
Engine service/repair, cooling system, fuel injection/fuel system, emission system, engine control system.
Drivetrain Systems:
Transmission service/repair, differential/drive axle.
Chassis And Suspension:
Suspension, steering, chassis/body.
Braking System:
Brake system service and repair.
Electrical And HVAC:
Electrical system, wiring diagram, heater/air conditioning.
Interior And Safety:
Interior components, restraint system.
Diagnostic Procedures:
Troubleshooting for various systems.
Maintenance Procedures:
General maintenance, periodic lubrication.
Repair Procedures:
Detailed, step-by-step repair instructions for all covered systems.
Technical Depth:
Comprehensive, suitable for DIY enthusiasts and professional mechanics, covering from basic maintenance to in-depth engine and transmission overhauls.
File Quality:
PDF, assumed to be high-resolution scans of original factory documentation, ensuring clarity of diagrams and text.
Printability:
PDF format is fully printable, allowing users to create physical copies for workshop use.
Binding Type (Digital):
N/A (Digital PDF download).
Paper Type (Digital):
N/A (Digital PDF download).
Operating System Compatibility:
All Versions of Windows & Mac.
Software Requirement:
Adobe PDF Reader.
308 Qv Engine:
3.0L Naturally Aspirated V8 (2926 cc), 32 Valves (4 valves per cylinder).
328 Gtb/Gts Engine:
3.2L Naturally Aspirated V8 (3186 cc), 32 Valves (4 valves per cylinder).
308 Qv Horsepower:
Approx. 235-240 hp (European spec, US spec slightly lower due to emissions).
328 Gtb/Gts Horsepower:
Approx. 270 hp (European spec, US spec slightly lower due to emissions).
Torque Specifications:
308 QV: Approx. 190 lb-ft; 328 GTB/GTS: Approx. 210 lb-ft (varies by market).
Fuel Injection System:
Bosch K-Jetronic Fuel Injection (mechanical).
Ignition System:
Electronic Ignition, typically Marelli or similar.
Recommended Engine Oil:
API SG or SH, SAE 20W-50 or 10W-30 depending on climate. Specific Ferrari recommendations should be consulted.
Engine Oil Capacity:
Approximately 8.5 - 10 liters (9.0 - 10.5 US quarts), including filter.
Transmission Type:
5-speed Manual Transaxle.
Optional Transmission:
Not applicable; these models were exclusively manual.
Transmission Layout:
Mid-engine, rear-wheel drive with integrated differential.
Transmission Fluid:
API GL-4 or GL-5 gear oil, typically SAE 75W-90 or 80W-90. Consult manual for precise Ferrari specification.
Transmission Fluid Capacity:
Approximately 3.5 - 4.0 liters.
328 Gtb Dimensions (Approximate):
Length: 4365 mm (171.9 in), Width: 1720 mm (67.7 in), Height: 1135 mm (44.7 in).
328 Gts Dimensions (Approximate):
Length: 4365 mm (171.9 in), Width: 1720 mm (67.7 in), Height: 1135 mm (44.7 in).
Curb Weight (Approximate):
308 QV: ~1450 kg (3197 lbs); 328 GTB/GTS: ~1370 kg (3020 lbs).
Wheelbase:
Approximately 2340 mm (92.1 in).
Wheel Bolt Pattern:
5x108 mm.
Safety Ratings:
Modern safety ratings (e.g., NHTSA, Euro NCAP) are not applicable to vehicles of this era. Primarily reliant on passive safety features.
Active Safety Features:
Four-wheel disc brakes, designed for performance braking. ABS was not standard or widely available on early models.
Passive Safety Features:
Steel chassis, crumple zones (limited by design), seat belts.
General Service Interval:
Annual service or every 7,500 miles (12,000 km), with major overhauls recommended at higher mileages, particularly for the timing belt.
Timing Belt Replacement Interval:
Every 30,000 miles (48,000 km) or 5 years, whichever comes first. Critical procedure due to potential for catastrophic engine damage.
Coolant Specification:
Ethylene glycol-based antifreeze, typically a 50/50 mix with distilled water. Specific Ferrari-approved coolant is ideal.
Cooling System Capacity:
Approximately 10-12 liters.
Brake Fluid Specification:
DOT 3 or DOT 4 synthetic brake fluid.
Common Maintenance Concerns:
Timing belt wear, fuel system component aging (injectors, pumps), carburetor/fuel injection tuning, electrical gremlins, suspension bushing wear, potential for rust.
Spark Plug Type:
Typically NGK or equivalent, e.g., NGK BPR7ES-11 or similar, check manual for exact specification.
Air Filter Part Number (Example):
Various manufacturers, e.g., Mann-Filter C 30 244/1, K&N equivalent. Exact part number depends on specific model year and intake setup.
Ferrari Heritage:
Rooted in motorsport, Ferrari's road cars are synonymous with performance, engineering excellence, and iconic Italian design.
308/328 Evolution:
The 308 series, including the QV iteration, evolved into the 328, featuring an enlarged engine and updated styling, becoming one of Ferrari's most successful models.
308 Qv Production Years:
1982-1985.
328 Gtb/Gts Production Years:
1985-1989.
Manufacturing Location:
Maranello, Italy.
