Nissan has developed a new VG30DE engine of a high performance version of VG SOHC engine series. It is a 3.0 liter 60° V6 engine, having 4 camshafts, 24 valves, and many advanced technologies. It has developed for LEOPARD sport sedan, FAIRLADY Z sport and MID-4 sport, and introduced to the Japanese domestic market in 1986.A major development target was to achieve high engine performance that fully matches to driver's expectations.To attain this objective, the engine incorporates a number of advanced technologies, such as a cross-flow cooling system, which utilizes a water gallery for the cylinder block and aluminum cylinder heads, ECCS (Electronic Concentrated engine Control System), an individual cylinder knocking control system by cylinder pressure sensors, NVCS (Nissan Valve Timing Control System). NICS (Nissan Induction Control System), NDIS (Nissan Direct Ignition System). bottom feed fuel injectors, and many others.With a compression ratio of 10:1, this new engine delivers high torque and high horsepower over the entire range of operating speed, and still maintains favorable fuel consumption.