Nissan Z22S

Nissan Z22S engineThe Nissan Z22S is a carbureted 2.2 liter (2,187 cc, 133.45 cu in) straight-four, four-stroke cycle gasoline from Nissan Z-family. The Z22 engine was producted from 1980 through early 1983.

The Nissan Z22S engine features a cast-iron block and aluminum alloy cylinder head with two ignition plugs per cylinder. It has a single overhead camshaft (SOHC) and 8 valves (2 per cylinder).

The Z22S has an 87 mm (3.43 in) cylinder bore and 92 mm (3.62 in) piston stroke with a compression ratio of 8.5:1. It produced 86 HP (64 kW; 87 PS) of horsepower.

The breakdown of the engine code is as follows:

  • Z – Engine Family
  • 22 – 2.2 Liter Displacement
  • S – carburetor

General information

Engine Specifications
Engine code Z22S
Layout Four stroke, Inline-4 (Straight-4)
Fuel type Gasoline
Production 1980-1983
Displacement 2.2 L, 2,187 cm3 (133.45 cu in)
Fuel system Carburetor
Power adder None
Max. horsepower 86 HP (64 kW; 87 PS)
Max. torque
Firing order 1-3-4-2
Dimensions (L x H x W):

Cylinder block

The Z22S engine has a cast-iron cylinder block, bore is 87 mm (3.43 in) and stroke is 92 mm (3.62 in). The cylinder block, a monoblock specially cast structure, employs the five bearing support system. The pistons are each fitted with two compression rings and a single oil ring.

Cylinder block
Cylinder block alloy Cast iron
Compression ratio: 8.5:1
Cylinder bore: 87 mm (3.43 in)
Piston stroke: 92 mm (3.62 in)
Number of piston rings (compression / oil): 2 / 1
Number of main bearings: 5
Cylinder inner diameter (standard): 87.000-87.050 mm (3.4252-3.4272 in)
Piston skirt diameter (standard): 86.985-86.015 mm (3.4238-3.4258 in)
Piston pin outer diameter: 20.993-20.998 mm (0.8265-0.8267 in)
Piston ring side clearance: Top 0.040-0.073 mm (0.0016-0.0029 in)
Second 0.030-0.063 mm (0.0012-0.0025 in)
Piston ring end gap: Top 0.25-0.40 mm (0.0098-0.0157 in)
Second 0.15-0.30 mm (0.0059-0.0118 in)
Oil 0.30-0.90 mm (0.012-0.035 in)
Crankshaft journal diameter: 54.942-54.955 mm (2.1631-2.1336 in)
Crankpin diameter: 49.961-49.974 mm (1.9670-1.9675 in)
Crankshaft center distance: 46.0 mm (1.8110 in)

Cylinder head

The cylinder head is made of a light, strong aluminum alloy with good cooling efficiency. Intake valves are 42.0 mm in diameter and the exhaust valves are 38.0 mm.

Cylinder head
Valve Arrangement: SOHC, chain drive
Valves: 8 (2 valves per cylinder)
Intake/Exhaust duration:
Valve head diameter: INTAKE 42.0-42.2 mm (1.654-1.661 in)
EXHAUST 38.0-38.2 mm (1.496-1.4504 in)
Valve length: INTAKE 124.38-124.68 mm (4.90-4.91 in)
EXHAUST 117.35-117.65 mm (4.62-4.63 in)
Valve stem diameter: INTAKE 7.965-7.980 mm (0.3136-0.3142 in)
EXHAUST 7.945-7.960 mm (0.3128-0.3134 in)
Cam height: INTAKE/EXHAUST 38.477-38.527 mm (1.5148-1.5168 in)
Outer camshaft journal diameter: 32.935-32.955 mm (1.2967-1.2974 in)

Maintenance data

Valve clearance (HOT)
Intake valve 0.30 mm (0.012 in)
Exhaust valve 0.30 mm (0.012 in)
Compression pressure
Standard 12.0 kg/cm2 (11.77 bar, 171 psi) / 350 rpm
Minimun 9.0 kg/cm2 (8.83 bar, 128 psi) / 250 rpm
Oil system
Oil consumption , L/1000 km (qt. per miles) up to 0.5 (1 qt. per 1200 miles)
Recommended engine oil 5W-30
Oil type API SF or SE
Engine oil capacity (Refill capacity) With filter change (2WD/4WD): 4.4/4.2 l
Without filter change (2WD/4WD): 3.9/3.7 l
Oil change interval, km (miles) Every 5,000 (3,000)
Ignition system
Ignition timing (B.T.D.C./rpm) 3±2°/650 rpm (2WD MT and AT), 3±2°/800 rpm (4WD MT)
Spark plug Cold: BP7ES, BPR7ES
Standard: BP6ES, BPR6ES
Spark plug gap 0.8-0.9 mm (0.03 -0.035 in)

Vehicle applications

Model Years Produced
Datsun 720 1981-1982
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  1. I have a question,, can you use the head off of a z22 on a z24 block? I have an 82 with the original 2.2 and a friend gave ame a block I’m gojng to rebuild out of an 84 that is a 2.4, but has no head so just wondering if they are compatible cam and all?

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