The experienced author provides a comprehensive and understandable description of converting common passenger car and truck engines (Mercedes, VW, Ford, Peugeot, etc.) into boat engines. The goal is to enable the technically skilled boat owner to marineize an engine without outside help. This richly illustrated book, filled with many sketches, also offers valuable assistance in the maintenance and repair of boat engines of all kinds. It explains the special requirements for a ship engine, how to select the appropriate machine, which engines are suitable for marine conversion, where to source them and the necessary parts for the conversion, how the marine conversion and installation process works, which auxiliary units fit which engine, and how to maintain and repair these engines. Additionally, the marine conversion of electric drives is also addressed.