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Nissan Z22 specs: 2.2L (134 ci) 4-cylinder, 87 x 92 mm (3.4252 x 3.6220 in) bore and stroke. Built 1981–1983. Used in the Nissan Datsun / Nissan Pickup.
The Nissan 134ci (Z22) is undersquare — the 3.622" stroke exceeds the 3.4252" bore by 5.4% — a layout that trades peak RPM for leverage and torque low in the range. The 3.622" stroke puts mean piston speed at 4,000 ft/min around 6,650 RPM, which is where a production bottom end is generally considered at its limit. Each of the 4 cylinders displaces 33.5 ci (549 cc).
It is one of 2 engines in the Nissan 134ci family, all of them 134 ci — the differences between them are in compression, heads and rating, not displacement. 3 factory variants share these dimensions across 1981–1983.
| Displacement | 134 ci / 2.2 L |
|---|---|
| Bore | 3.4252" |
| Stroke | 3.622" |
| Cylinders | 4 |
| Configuration | I4 |
| Bore/stroke ratio | 0.946 |
| Fuel type | gas |
|---|---|
| Years | 1981–1983 |
| Bore/stroke character | 0.946 — undersquare — stroke exceeds bore, which favours low-end torque |
|---|---|
| Mean piston speed at 6,000 RPM | 3,622 ft/min — in the range typical of performance street engines |
| Displacement per cylinder | 33.5 ci |
Each link opens the calculator with this engine's specs already filled in.
These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.
| Year | Advertised HP | Code |
|---|---|---|
| 1981 | — | Z22 |
| 1982 | — | Z22 |
| 1983 | — | Z22 |
1 factory vehicle, 1981–1983. Each year opens that model's engine table.