Fuel Injector Lines
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Datsun 280Z (1975–1978) Technical Specs
Engine and Performance
- 2.8L L28E I4: A SOHC, 12-valve inline-six featuring a cast-iron block and an aluminum alloy head (typically the "N42" or "N47" castings).
- Fuel Injection: The Bosch L-Jetronic system was the first mass-produced electronic fuel injection for the Z-car, utilizing an Air Flow Meter (AFM) with a mechanical flap to measure intake volume.
- Output: Produced 170 hp @ 5,600 rpm and 163 lb-ft @ 4,400 rpm, providing a significant torque advantage over the earlier 240Z and 260Z models.
- Cooling: Features a high-capacity radiator and, on models equipped with factory A/C, a more robust five-blade cooling fan to manage the thermal loads of the L28 block.
Drivetrain and Transmission
- Transmission: Available with a 4-speed manual or a 3-speed automatic; in 1977, a 5-speed manual (the FS5W71B) was introduced, significantly improving highway fuel economy and reducing engine drone.
- Differential: Utilized the R180 or the beefier R200 rear differential (on later models/5-speeds), mounted in a subframe to isolate gear noise from the cabin.
- Clutch: A 225mm hydraulic single-plate clutch, designed to handle the increased torque of the 2.8L engine compared to the 2.4L predecessor.
Chassis and Design
- Suspension: Four-wheel independent suspension using MacPherson struts in the front and Chapman struts in the rear, providing the communicative handling that defined the S30 chassis.
- Safety Impact: Characterized by the large, energy-absorbing 5 mph bumpers, which added roughly 8 inches to the car's overall length and increased the curb weight by nearly 300 lbs compared to the 240Z.
- Braking: Standard power-assisted front disc brakes and rear drums, featuring a larger master cylinder and vacuum booster than earlier models to compensate for the added vehicle mass.
Dimensions
- Wheelbase: 90.7 inches (2,305 mm).
- Overall Length: 173.2 inches (4,400 mm).
- Curb Weight: Approximately 2,800 lbs (1,270 kg).
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