Nissan Fairlady 280Z
The Nissan S130 is a sports coupé produced by Nissan in Japan from 1978 to 1983. It was sold as the Datsun 280ZX, Nissan Fairlady Z and Nissan Fairlady 280Z, depending on the market. In Japan, it was exclusive to Nissan Bluebird Store locations. It was the second generation Z-car, replacing the Nissan S30 in late 1978.
The 280ZX was a complete redesign, retaining only the L28 inline-six engine and other driveline components from the 280Z. Both two-seat and four-seat (2+2) designs were offered. Compared to the more overtly sporting earlier models, the 280ZX was a much softer, heavier car, with less focus on driving and more on driver comfort and refinement. Softer suspension, better sound insulation, more comfortable seats, and ample equipment including high-end audio systems defined the new ZX. In the spirit of the times, emissions controls and aerodynamics were markedly improved over the first generation Z-cars, while weight was down somewhat as long as the buyer did not pick much from the very long options list. The exterior design was evolutionary, less rounded and with better integrated safety bumpers. Many parts, including the rear-axle and the power steering came from the Datsun 810 luxury sedan. Most of the design effort went into the entirely different and much more modern interior. The car became a grand tourer rather than a sports car, particularly in the plush Grand Luxury versions.
The 280ZX adopted suspension similar to that of the concurrent Bluebird 910, with MacPherson struts in front and semi-trailing arm independent suspension in the rear. The wheelbase was up from its predecessor (90.7 in or 2,304 mm) to 91.3 in (2,319 mm) for the two-seater.
The 280ZX's body was redesigned with aerodynamics in mind. By closing in the open grille of the first generation Z-car and through other improvements taken from wind-tunnel testing, the drag coefficient was reduced from 0.467 to 0.385, and the lift coefficient from 0.41 to 0.14. The new design had a lower center-of-gravity and nearly 50/50 weight distribution in both the two-seater and 2+2 designs. The rear of the car was stretched to accommodate a larger 80 L (21.133 US liquid gallons) fuel tank. Overall, the new body design gave better fuel economy and high-speed stability (one of the known issues from the first generation Z-car).
Steering was changed: The 280ZX initially offered either unassisted rack-and-pinion steering or a Datsun 810-derived recirculating-ball with power assistance. Neither came in for much appreciation in period road tests. A new power-assisted rack-and-pinion replaced the recirculating-ball steering system for the 1981 turbo, becoming available on the naturally aspirated models the following year.
It is a common misconception that the 280ZX's L28 engine is less powerful than the L24 engine of the 1970 240Z or the L26 engine of the 260Z; the difference is due to Nissan adopting the SAE net standard of power measurement, which resulted in lower power ratings than the earlier gross figures and added emissions. However, Nissan designers deliberately sacrificed raw acceleration for improved fuel economy in the 280ZX, so the early 1979 models rated at 135 hp (101 kW) actually had slower acceleration than the 240Z, largely due to increases in weight and taller gearing, as well as power losses to emissions controls. This overall performance deficit was not addressed until the release of the 280ZX Turbo in 1981.
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