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Nissan VG engine
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Nissan VG engine
The VG engine is a family of V6 engines designed and produced by Nissan between 1983 and 2004.
Japan's first mass-produced V6 engine, the iron block/aluminum head 60° VG engine was produced in displacements between 2.0 and 3.3 liters. Early versions used SOHC cylinder heads with two valves per cylinder; later models featured DOHC cylinder heads, four valves per cylinder, a slightly different engine block and N-VCT, Nissan's own version of variable valve timing, delivering a smoother idle and more torque at low to medium engine speeds.
Both production blocks and head castings were used successfully in the Nissan GTP ZX-Turbo and NPT-90 race cars which won the IMSA GT Championship three years in a row.
Development of the VG series began in 1979 by Nissan Machinery, a former member of the Nissan Group keiretsu. The objective was to replace the inline 6 L engine, which traces its roots back to the Mercedes-Benz M180 engine introduced in 1951, with an all-new V6 engine.
Nissan engineers wanted the VG to have improved performance, fuel economy, reliability, and refinement, while being both lighter and more compact than its predecessor. The resulting engine was designed from scratch, sharing little to no mechanical components with its predecessor or any other automaker. It was added to a new engine family name PLASMA (Powerful ＆ Economic, Lightweight, Accurate, Silent, Mighty, Advanced).
Extensive computer design techniques were used during development, which made the VG series one of the most advanced and high-tech engines of its day. The VG engine series featured a sequential multi-port fuel injection system, and Nissan's Electronic Concentrated Control System (ECCS).
ECCS used a microprocessor and an oxygen sensor to control fuel delivery, spark timing, exhaust gas recirculation rate, and engine idle speed, depending on the current operating conditions of the engine. This system reduced carbon emissions, improved fuel economy, and improved engine performance during cold-start and warm-up conditions.
The advantages of the VG engine over its inline 6 predecessor was that its V6 configuration would have greater torsional rigidity for higher performance potential, and its shorter length would give Nissan designers and engineers more freedom for vehicle design, allowing for both more frontal crush zone space and transverse mounting for front-wheel-drive vehicles.
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Nissan VG engine
The VG engine is a family of V6 engines designed and produced by Nissan between 1983 and 2004.
Japan's first mass-produced V6 engine, the iron block/aluminum head 60° VG engine was produced in displacements between 2.0 and 3.3 liters. Early versions used SOHC cylinder heads with two valves per cylinder; later models featured DOHC cylinder heads, four valves per cylinder, a slightly different engine block and N-VCT, Nissan's own version of variable valve timing, delivering a smoother idle and more torque at low to medium engine speeds.
Both production blocks and head castings were used successfully in the Nissan GTP ZX-Turbo and NPT-90 race cars which won the IMSA GT Championship three years in a row.
Development of the VG series began in 1979 by Nissan Machinery, a former member of the Nissan Group keiretsu. The objective was to replace the inline 6 L engine, which traces its roots back to the Mercedes-Benz M180 engine introduced in 1951, with an all-new V6 engine.
Nissan engineers wanted the VG to have improved performance, fuel economy, reliability, and refinement, while being both lighter and more compact than its predecessor. The resulting engine was designed from scratch, sharing little to no mechanical components with its predecessor or any other automaker. It was added to a new engine family name PLASMA (Powerful ＆ Economic, Lightweight, Accurate, Silent, Mighty, Advanced).
Extensive computer design techniques were used during development, which made the VG series one of the most advanced and high-tech engines of its day. The VG engine series featured a sequential multi-port fuel injection system, and Nissan's Electronic Concentrated Control System (ECCS).
ECCS used a microprocessor and an oxygen sensor to control fuel delivery, spark timing, exhaust gas recirculation rate, and engine idle speed, depending on the current operating conditions of the engine. This system reduced carbon emissions, improved fuel economy, and improved engine performance during cold-start and warm-up conditions.
The advantages of the VG engine over its inline 6 predecessor was that its V6 configuration would have greater torsional rigidity for higher performance potential, and its shorter length would give Nissan designers and engineers more freedom for vehicle design, allowing for both more frontal crush zone space and transverse mounting for front-wheel-drive vehicles.
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