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Toyota 2ZZ-GE specs: 1.8L (109.6 ci) 4-cylinder, 82 x 85 mm (3.2283 x 3.3465 in) bore and stroke, 11.5:1 compression. Used in the Toyota Celica.
The Toyota 2ZZ-GE is close to square: 3.2283" bore against 3.3465" stroke, within 3.5%, which splits the difference between a high-revving layout and a torque layout. The 3.3465" stroke does not reach 4,000 ft/min of mean piston speed until about 7,150 RPM, so piston speed is not what limits this engine's revs — valvetrain and breathing are. Each of the 4 cylinders displaces 27.4 ci (449 cc).
11.5:1 is high for a production gasoline engine; running a ratio like that on pump fuel depends on chamber design and fuel delivery rather than the number alone.
It is one of 4 engines in the ZZ family, the largest at 109.6 ci.
| Displacement | 109.6 ci / 1.8 L |
|---|---|
| Bore | 3.2283" |
| Stroke | 3.3465" |
| Cylinders | 4 |
| Compression ratio | 11.5:1 |
| Bore/stroke ratio | 0.965 |
| Fuel type | gas |
|---|
| Bore/stroke character | 0.965 — square — bore and stroke are within 5%, a balanced compromise |
|---|---|
| Mean piston speed at 6,000 RPM | 3,347 ft/min — conservative for a street engine |
| Displacement per cylinder | 27.4 ci |
| Static compression | 11.5:1 — high enough that pump premium or better is normally required |
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3 factory vehicles, 2000–2006. Each year opens that model's engine table.