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Toyota 1FZ-FE specs: 4.5L (273.2 ci) 6-cylinder, 100 x 95 mm (3.9370 x 3.7402 in) bore and stroke. Rated 212 hp, 1993–1997. Used in the Toyota Land Cruiser.
The Toyota 1FZ-FE is oversquare — the 3.937" bore exceeds the 3.7402" stroke by 5.3% — a layout that favors airflow and RPM over leverage at the crank. The 3.7402" stroke puts mean piston speed at 4,000 ft/min around 6,400 RPM, which is where a production bottom end is generally considered at its limit. Each of the 6 cylinders displaces 45.5 ci (746 cc).
It is one of 11 engines in the F-series family, the largest at 273.2 ci. 5 factory variants share these dimensions, rated at 212 hp across 1993–1997.
| Displacement | 273.2 ci / 4.5 L |
|---|---|
| Bore | 3.937" |
| Stroke | 3.7402" |
| Cylinders | 6 |
| Configuration | I6 |
| Bore/stroke ratio | 1.053 |
| Valvetrain | DOHC |
|---|---|
| Fuel type | gas |
| Advertised HP | 212 hp |
| Years | 1993–1997 |
| Bore/stroke character | 1.053 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
|---|---|
| Mean piston speed at 6,000 RPM | 3,740 ft/min — in the range typical of performance street engines |
| Displacement per cylinder | 45.5 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 |
|---|---|---|
| 1993 | 212 hp | 1FZ-FE |
| 1994 | 212 hp | 1FZ-FE |
| 1995 | 212 hp | 1FZ-FE |
| 1996 | 212 hp | 1FZ-FE |
| 1997 | 212 hp | 1FZ-FE |