The Ferrari 328 GTB and GTS, produced from 1985 to 1989, represent a significant chapter in Ferrari's legacy of mid-engine V8 sports cars. Building upon the foundation of its predecessor, the 308, the 328 features a more refined and aerodynamic design penned by Pininfarina, characterized by its rounded contours and distinctive Kamm-tail. The model was offered in two variants: the GTB, a coupe, and the GTS, featuring a Targa-style removable roof panel, both powered by a mid-mounted 3.2-liter V8 engine producing 270 horsepower. Known for its accessible performance and iconic Italian styling, the 328 served as Ferrari's entry-level offering during the late 1980s, competing with established sports cars of its time and remaining a highly collectible automotive icon.

This comprehensive technical and service manual provides essential information for the maintenance and repair of the Ferrari 328 GTB and GTS. Covering approximately 300-400 pages, it details a wide array of systems, including in-depth engine overhaul procedures for the V8 powerplant, transmission maintenance for the 5-speed manual transaxle, and comprehensive guidance on the braking, suspension, and electrical systems. The manual also outlines scheduled maintenance tasks, offers troubleshooting flowcharts for common issues, and provides step-by-step repair instructions for various components. This resource is invaluable for owners, mechanics, and technicians seeking to preserve the performance and integrity of these classic Ferraris, ensuring proper upkeep through detailed specifications and procedures.