page_title: Nissan 300ZX
section_title: Z31
hierarchical_section_title: Nissan 300ZX / Z31
caption_attribution_description: 1989 Nissan 300ZX Turbo "Z31" - 3.0L V6 Turbo engine (170 kW; 230 bhp).
context_page_description: The Nissan 300ZX is a sports car in the Nissan Z-car family that was produced across two similar but unique generations. As with all other versions of the Z, the 300ZX was sold within the Japanese domestic market under the name Fairlady Z.
  It was sold in Japan from 1983 to 2001 and in the United States from 1984 to 1996, the 300ZX name followed the numerical convention initiated with the original Z car, the Nissan S30, which was marketed in the U.S. as the 240Z. The addition of the "X" to the car's name was a carryover from its predecessor, the 280ZX, to signify the presence of more luxury and comfort oriented features. The first generation 300ZX known as the Z31 model was produced from 1983 through 1989 and was a sales success becoming the highest volume Z-car for Nissan.
  To become even more competitive in the sports car market, the second generation Z32 was driven up-market. It was redesigned to be faster and feature more advanced technology, but came with a higher price than its predecessor, with consecutive price increases each model year of availability.
context_section_description: The Z31 chassis designation was first introduced in 1983 as a 1984 Nissan/Datsun 300ZX (the hatch lid had both a Datsun and a Nissan badge) in the U.S. market. The 300ZX, as its predecessors, was known as a Nissan in other parts of the world. This continued in the U.S. until the 1985 model year when Nissan standardized their brand name worldwide and dropped the Datsun badge. All publications for the Z31 chassis 300ZX and its predecessors were copyright Nissan North America. Designed by Kazumasu Takagi and his team of developers, the 300ZX improved aerodynamics and increased power when compared to its predecessor, the 280ZX. The newer Z-car had a drag coefficient of 0.30 and was powered by Japan's first mass-produced V6 engine instead of the inline 6 of the previous Z-cars. According to Nissan, the new V6 engine was intended to uphold the sporty, six-cylinder spirit of the original Fairlady Z, but in a more compact and efficient package.
  The Z31 generation featured five engine options. A turbocharged dual overhead cam 2.0 L straight-six (RB20DET, used in the 200ZR), a turbocharged single overhead cam 2.0 L V6 (VG20ET, found in 200Z/ZS/ZG), a naturally aspirated single overhead cam 3.0 L V6 (VG30E, found in 300ZX), a turbocharged single overhead cam 3.0 L V6 (VG30ET, used in 300ZX Turbo) and a naturally aspirated dual overhead cam 3.0 L V6 (VG30DE, used in 300ZR). The Z31 had electronic fuel injection (EFI), and was rear wheel drive. The Z31 was available in either left or right hand drive.
  Two Special Edition versions of the Z31 generation model were produced; a 50th Anniversary Edition celebrated the company's semi-centennial in 1984 and offered additional luxury features, and a "Shiro Special", released four years later, with performance-oriented upgrades. Unlike its predecessors, the Z31 featured a V6 engine in the 200Z/ZS/ZG, 300ZX and 300ZR, and the only Z31 to come with an Inline 6 cylinder engine was the Fairlady 200ZR which was only available in Japan. The 200ZR was the last Z-car to feature a factory-installed inline six. The new V6 (2960 cc) Single overhead cam engine was available as a naturally aspirated VG30E or a turbocharged VG30ET producing 160 hp (119 kW) and 200 hp (149 kW) respectively. The engine was either a type A or type B sub-designation from 1984 to March 1987, while models from April 1987 to 1989 had a W sub-designation. The W-series engines featured redesigned water jackets for additional cooling, and fully floating piston wrist pins. The 1984 to 1987 turbo models featured a Garrett T3 turbocharger with a 7.8:1 compression ratio, whereas 1988 to 1989 models featured a low inertia T25 turbocharger with an increased 8.3:1 compression ratio and slightly more power—165 hp naturally aspirated and 205 hp (153 kW) turbocharged. Finally, these engines were equipped with self-adjusting hydraulic valve lifters. The transmissions were a 5-speed manual or an optional 4-speed automatic (all Z31 automatics were the E4N71B equipped with torque-converter lockup including turbo models). All Z31s were equipped with a Nissan R200 rear differential, April 1987 and later turbo models received an R200 clutch limited-slip differential except 1988 Shiro Specials which had a Viscous-type limited slip. There were three trim models available: SF, GL and GLL. The SF model was only available in Canada.
  Select 300ZX models (as well as some other Nissan models of the time period) could also be equipped with a digital gauge cluster that also utilized a "Voice Warning System". The Voice Warning System used the vehicle's radio and driver's door speaker to mute the radio and provide a vocal warning whenever the left or right door was ajar, the exterior lights were left on after the vehicle was turned off, parking brake was left on while trying to operate the car, or the fuel level was low.
  Other technological features in the 300ZX included a "Body Sonic" audio system that utilized a separate amplifier and speakers in the vehicle's front seats that allowed bass from music to be felt by the vehicle's occupants, and a fully digital 
caption: 1989 Nissan 300ZX 2+2 rear
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