The Z31 chassis designation was first introduced in Japan on September 16, 1983, as the Fairlady Z. Designed by Kazumasu Takagi and his team of developers, the Z31 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-sixes 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