What is z31 engines?

The Z31 engine refers to the family of engines used in the Nissan 300ZX model produced between 1983 and 1989. The most common engine found in the Z31 is the VG30ET, a 3.0-liter V6 turbocharged engine that produced around 205 horsepower and 227 lb-ft of torque.

Other engines used in the Z31 include the VG30E, a naturally aspirated version of the VG30ET, and the VG20ET, a 2.0-liter turbocharged engine. These engines were mated to either a 5-speed manual or 4-speed automatic transmission.

The Z31 engine is known for its durability and reliability, with many enthusiasts praising the engine's ability to handle high levels of boost and power. With proper maintenance and care, the Z31 engine can still provide good performance and power output even today. Some common upgrades for Z31 engines include larger turbochargers, aftermarket exhaust systems, and performance tuning to extract more power from the engine.