Fully revised and updated with much new information added. New information covering the adoption in recent years of roller-finger cam-follower arrangements on OHC and DOHC engines. The tuning implications of recent developments in fuel and oil technology. Significantly expanded chapters with new material. Explains and analyses all areas of engine operation, from air and fuel, through carburation, fuel injection, ignition, engine management, cylinders, camshafts and valves, bottom end, exhaust systems, to cooling and lubrication. Fully illustrated throughout with many new photographs and line diagrams.