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Nissan Z engine

Nissan Z engine
Overview
Manufacturer Nissan Motors
Production 1979-1989
Combustion chamber
Configuration I4
Displacement 1.6 L
1.8 L
2.0 L
2.2 L
2.4 L
Cylinder block alloy Cast iron
Cylinder head alloy Aluminum
Valvetrain SOHC
Combustion
Fuel system Carburetor or fuel injection
Chronology
Predecessor Nissan L engine (4-cylinder)
Successor Nissan CA engine
Nissan KA engine
Nissan NA engine

The Nissan Z series of automobile engines ranged from 1.6 L to 2.4 L and were produced from 1979 through August 1989. The Z series engines retained a nearly identical block to the earlier L Series with the exception of the Z24 which utilized a taller deck height to accommodate an increased stroke. The Z16 and Z18 engines used a shorter block similar to the earlier L13/L14/L16/L18 variants. All Z engines were SOHC. The most notable feature of the Z-series engine was the change from the L series head, to a crossflow cylinder head which reduced emissions by moving the intake ports to the right side of the engine opposite the exhaust ports. This change allows the exhaust port velocity to more effectively scavenge the cylinder and reduce reversion pulses to enhance induction. The Z-series evolved into the Nissan NA,and KA engines which along with the smaller CA series replaced the Z series .[1]

Z16

The Z16 was available in the basic spec Nissan Navara (D21) in certain markets. It is an inline-four with SOHC, eight valves and a single downdraft carburetor. It was also seen in a few low-end model Datsun Bluebird 910s for the Japanese domestic market.

Applications:

Z18

The Z18 is an Script error: No such module "convert". straight-four engine with SOHC and eight valves and was essentially a crossflow version of the older L18. Bore and stroke are 85.0 x 78.0 mm. It produces Script error: No such module "convert". (SAE) at 6,000 rpm with a twin-barrel carburetor as fitted in 1980. An export version was rated Script error: No such module "convert". (DIN) at 5,600 rpm in the Datsun 180K (C210 Skyline), with power increasing to Script error: No such module "convert". in the Bluebird and Script error: No such module "convert". in twin-carb form, as fitted to the Bluebird SSS and the export market Silvia.[2]

Applications:

Z18E

The Z18E is a Script error: No such module "convert". fuel injected engine produced primarily for the Japanese market. Most specs were the same as for the Z18, but max power increased to Script error: No such module "convert". (SAE) at 6,200 rpm in 1980 (Bluebird, Skyline).[2]

Applications:

Z18ET

The Z18ET is a Script error: No such module "convert". turbocharged and fuel injected engine first introduced in the 1979 S110 Silvia/Gazelle it was produced primarily for the Japanese market. It produces Script error: No such module "convert"..

Applications:

Z20S

The Z20S (S denotes carbureted) is a Script error: No such module "convert". engine, with an 85.0 x 86.0 mm bore and stroke, produced from 1979 through 1984. It replaced the L20B using many of the same lower end components.

Applications:

In the US, the Z20S was only available in the 1980-81 510/A10 and 1984 720pickup w/MPG option.

The Nissan Caravan and Homy with this engine produced a maximum speed of 160 km/h. It was noted for being faster than its competitor Toyota Hiace, primarily because Z20S produced more power than the engines available in the Hiace.

Z20E

The Z20E is a fuel-injected version of the Z20S engine produced from 1979 through July 1984. It also had longer connecting rods and shorter compression-height pistons than the 1980-81 Z20S. It produces 100 ps (74 kW). The Z20E was not available in the 720 pickup, which only used carbureted versions. The Z20 engine was not available at all in US-spec. 720 pickups nor California-spec. D21 pickups.

Applications:

  • 1985-1988 Nissan Pickup D21 (citation needed D21 introduced in 1986 as 1987 model)

Z22S

The Z22S (carb only) is a Script error: No such module "convert". four-cylinder engine produced from 1980 through early 1983. Bore and stroke are 87.0 and 92.0 mm. It produces 86 hp (64 kW) SAE as fitted to the US-market Datsun 720.

Applications:

Z22E

The Z22E is a fuel injected version of the Z22 engine produced from 1981 through 1983, mainly for North America. This engine also has longer connecting rods and shorter compression-height pistons than the carbureted Z22S engine.

Applications:

  • 1981-1983 Datsun 200SX (Script error: No such module "convert". SAE at 5,200 rpm)[8]

Z24

The Z24 is a Script error: No such module "convert". inline-four produced from 1983 through August 1989. A throttle-body fuel injected version (Z24i) was also produced, beginning in April 1985.

Applications:

various Forklift applications Z24 versions in gas and LPG

Note: All gasoline Z20, Z22 and Z24 engines were known as NAPS-Z (NAPZ or NAPS-Z Nissan Anti Pollution System), NAPZ motors had dual spark-plugs (2 per cylinder) except the pre-82 versions and latest versions of the Z24i as fitted to the Pathfinder. However all NAPZ engines sold in California reportedly had dual plug heads regardless of the year.

The fuel injected version referenced above was denoted as the Z24i (Throttle Body Fuel Injection) and was first available in the Nissan Model 720 ST pickup during the 1985 model year and was replaced in 1990 by the KA24E engine. Beside the fuel injection, a significant change for the Z24i was the addition of an optical crank angle sensor in the distributor rather than a vacuum advance and ignition module. This allowed the JECS throttle-body injection system to identify cylinder #1 top dead center (TDC).

Engine Displacement - 2,389 cc Bore x Stroke:- 89.0 × 96.0 mm Compression Ratio:- 8.3:1

Power Ratings:

  • Z24

Years - 1984-1986 Power - Script error: No such module "convert". at 4,800 rpm Torque - Script error: No such module "convert". at 2,800 rpm

  • Z24i

Years - 1986-1987 Power - Script error: No such module "convert". at 4,800 rpm Torque - Script error: No such module "convert". at 2,800 rpm

Years - 1988-1989 Power - Script error: No such module "convert". at 4,800 rpm Torque - Script error: No such module "convert". at 2,400 rpm

See also

References

  1. ^ Yamaguchi, Jack K. (1982), Lösch, Annamaria, ed., "Japan: Shogun Strikes Back", World Cars 1982 (Pelham, NY: The Automobile Club of Italy/Herald Books): 64, ISBN 0-910714-14-2 
  2. ^ a b Braunschweig, Robert; Büschi, Hans-Ulrich, eds. (March 6, 1980). "Automobil Revue '80" 75. Berne, Switzerland: Hallwag, AG. pp. 258–262. 
  3. ^ Nissan Commercial Vehicle Range 1984 (brochure), Worthing, UK: Nissan UK Limited, July 1984, pp. 7–8, S24.25m.F923.7.84 
  4. ^ Car Graphic: Car Archives Vol. 11, '80s Japanese Cars (in Japanese). Tokyo: Nigensha. 2007. p. 141. ISBN 978-4-544-91018-6. 
  5. ^ Nissan Gamma '85 [Nissan '85 range] (brochure) (in Flemish), Aartselaar, Belgium: N.V. Nissan Belgium S.A., 1985, p. 4 
  6. ^ Car Graphic Archives Vol. 11 ('80s), p. 141
  7. ^ Automobil Revue '83, p. 407
  8. ^ Büschi, Hans-Ulrich, ed. (March 10, 1983). "Automobil Revue '83" 78. Berne, Switzerland: Hallwag, AG. pp. 404–405. ISBN 3-444-06065-3. 

External links