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Toyota 1ZZ-FE specs: 1.8L (109.5 ci) 4-cylinder, 79 x 91.5 mm (3.1102 x 3.6024 in) bore and stroke. Used in the Toyota Corolla and Toyota Celica.
The Toyota 1ZZ-FE is undersquare — the 3.6024" stroke exceeds the 3.1102" bore by 13.7% — a layout that trades peak RPM for leverage and torque low in the range. The 3.6024" 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 27.4 ci (449 cc).
It is one of 4 engines in the ZZ family, the smallest at 109.5 ci.
| Displacement | 109.5 ci / 1.8 L |
|---|---|
| Bore | 3.1102" |
| Stroke | 3.6024" |
| Cylinders | 4 |
| Bore/stroke ratio | 0.863 |
| Fuel type | gas |
|---|
| Bore/stroke character | 0.863 — undersquare — stroke exceeds bore, which favours low-end torque |
|---|---|
| Mean piston speed at 6,000 RPM | 3,602 ft/min — in the range typical of performance street engines |
| Displacement per cylinder | 27.4 ci |
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4 factory vehicles, 1998–2008. Each year opens that model's engine table.