Datsun 260Z




Datsun 260Z

Year of production 1974 - 1978

Wikipedia: http://en.wikipedia.org/wiki/Datsun_240Z#260Z

Category: Datsun 1931-1986

This model was sold in the United States for the 1974 model year only, but was available in other countries until 1978. The engine was enlarged over that of the 240Z with a longer stroke to 2.6 L. In the U.S., federal emissions regulations forced a reduction in ignition timing and compression ratio, resulting in a lower power output (140 hp) for the 260Z despite the additional displacement, whereas in other countries the power output increased to 165 bhp (123 kW; 167 PS). There was also a 1974.5 model sold through the second half of 1974 in the U.S that had the full 165 bhp (123 kW; 167 PS) with the addition of the larger 5 mph safety bumpers, that would become the standard for the 280Z.

A 3-speed automatic transmission was an option, and the 4-speed manual remained standard.

1974 brought for the first time to the S30 line a new (2+2) seating option, which offered room for 4 passengers and an extra 11.9 in (302 mm) of wheelbase. These cars have a notably different roofline from the two-seat coupés, incorporating larger opening quarter panel windows.

The 260Z claimed a few updates or improvements over the 240Z. The climate controls were more sensibly laid out and easier to work, and those cars with air conditioning now had the A/C system integrated into the main climate control panel. There was also additional stiffness in the chassis due to a redesign of the chassis rails which were larger and extended further back than previous models. A Rear sway bar was added as well. The 260Z debuted a redesigned dashboard and console, as well as new seat trim, and door panels for the interior. The tail lights were updated, moving the back up lights from the main tail light housing to the back panel. Early 1974 U.S. 260Z models had bumpers that resembled those of the earlier 240Z, though increased slightly in size, pushed away from the body somewhat, and wearing black rubber bumper guards rather that the previous chrome bumper guards with rubber strips. These early cars still had the front turn signals located below the bumpers. Late 1974 U.S. 260Z models (often referred to as 1974.5 models) carried the heavier bumpers that would remain on the 1975-76 model years of the 280Z so as to be in compliance with United States bumper legislation in 1973. These late cars had the front turn signals relocated to the outer edges of the front grill, above the bumper.

Specifications

  • Engine: 2.6 L (160 cu in) L26 I6, cast-iron block, alloy head, two valve per cylinder, seven-bearing crankshaft, single overhead camshaft
    • Displacement: 156.6 cu in (2,565 cc)
    • Bore: 83.0 mm (3.27 in)
    • Stroke: 79.0 mm (3.11 in)
    • Compression Ratio: 8.3:1 (93 oct)
  • Fuel System: Mechanical fuel pump, twin Hitachi HMB 46W 1.75 in (44 mm) SU-type carburetors
  • Power: 162 hp (121 kW) at 5,600 rpm
  • Torque: 157 ft·lbf (213 N·m) at 4,400 rpm
  • Transmission: Four-speed manual or three-speed automatic
  • Brakes:
    • Front: 10.7 in (270 mm) discs front
    • Rear: 9.0 in (230 mm) X 1.6 in (41 mm) drums rear, servo assisted
      • Total swept area: 393.7 sq in (2,540 cm2)
  • Suspension:
    • Front: Independent with MacPherson struts, lower wishbones, coil springs, telescopic dampers, anti-roll bar
    • Rear: Independent with Chapman struts, lower wishbones, coil springs, telescopic dampers
  • Steering: rack and pinion, 2.8 turns lock to lock
  • Wheels/ Tires: 5.5 by 14 in (140 by 360 mm) pressed steel wheels with 195VR14 radial tyres
  • Top Speed: 127 mph (204 km/h)
  • 0 to 60 mph (97 km/h): 8.0 sec
  • Fuel consumption: 20 to 28 mpg-US (11.8 to 8.4 L/100 km; 24 to 34 mpg-imp)
  • Engine oil (sump): 9.0 Imp pints (5.1 liters/10.7 US pints)
  • Tare weight: 1,350 kg (2,980 lb)

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