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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).
Datsun 280Z S30 Series Service Manual - General Information
Datsun 280Z S30 Series Steering System Service Manual
Datsun 280Z S30 Series Brake System Service Manual
Datsun 280Z S30 Series Engine Removal and Installation Service Manual
Datsun 280Z S30 Series 4- and 5-Speed Manual Transmission Service Manual
Datsun 280Z S30 Series Propeller Shaft and R180/R200 Differential Carrier Service Manual
Datsun 280Z S30 Series Emission Control System Service Manual
Datsun 280Z S30 Series Service Manual Section BF Body
Datsun 280Z S30 Series Engine Mechanical Service Manual Section EM
Datsun 280Z S30 Series Body Electrical System Service Manual
Datsun 280Z Model S30 Series Service Manual: Section WT (Wheel and Tire)
Datsun 280Z S30 Series Clutch Service Manual Section
Datsun 280Z S30 Series Engine Lubrication System Service Manual, Section EL
Datsun 280Z S30 Series Air Conditioning Service Manual
Datsun 280Z S30 Series Engine Tune-Up Service Manual
Datsun 280Z Model S30 Series Service Manual Section RA - Rear Axle & Rear Suspension
Datsun 280Z S30 Series Service Manual Section FA: Front Axle and Front Suspension
Datsun 280Z S30 Series Engine Electrical System Service Manual
DATSUN 280Z S30 Series Automatic Transmission Service Manual Section
Datsun 280Z S30 Series Service Manual Section EF Engine Fuel
DATSUN 280Z Engine Control, Fuel & Exhaust Systems Service Manual Section
Datsun 280Z S30 Series Cooling System Service Manual Section
