This comprehensive Ferrari 308 Quattrovalvole 328gtb & 328gts workshop service repair manual is your essential guide to maintaining and repairing your prized Italian sports car. It features detailed illustrations and step-by-step instructions, designed to empower both the DIY enthusiast and the experienced mechanic. The manual provides complete disassembly instructions, ensuring you have the knowledge to tackle any service or repair procedure. Hundreds of photos and illustrations enhance the text, making each step crystal clear. This manual is your gateway to understanding and servicing your Ferrari 308 Quattrovalvole 328gtb & 328gts, keeping your classic car in top condition for years to come.

The Ferrari 308 Quattrovalvole, 328 GTB, and 328 GTS are iconic sports cars that represent the pinnacle of Italian automotive design and performance. These models were produced by Ferrari between 1980 and 1989, marking a significant evolution from the earlier 308 series. The “Quattrovalvole” designation, meaning "four valves," refers to the engine's upgrade from two valves per cylinder to four, resulting in a significant power increase. The GTB (Gran Turismo Berlinetta) and GTS (Gran Turismo Spider) variants differentiate themselves by their body styles, with the GTB possessing a fixed hardtop and the GTS offering a removable targa top. These machines were renowned for their sleek, wedge-shaped design, showcasing the signature Ferrari styling of the era. Powering these elegant machines was a 2.9-liter, longitudinally mounted, 90-degree V8 engine. The Quattrovalvole iteration delivered a substantial power boost compared to earlier 308 models, reaching outputs around 240 horsepower. This potent engine, coupled with the lightweight construction and agile handling, made the 308 Quattrovalvole, 328 GTB, and 328 GTS highly sought-after performance cars. The 328 series, introduced in 1985, further improved upon the established formula with a larger 3.2-liter engine, producing around 270 horsepower. These improvements solidified their position as formidable competitors in the world of high-performance sports cars. Their influence on subsequent Ferrari models is undeniable, shaping the brand's image and solidifying its reputation as a maker of powerful and desirable vehicles.