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Toyota 3RZ-FE specs: 2.7L (164.4 ci) 4-cylinder, 95 x 95 mm (3.7402 x 3.7402 in) bore and stroke. Rated 150 hp, 1995–2004. Used in the Toyota Tacoma. DOHC.
The Toyota 3RZ-FE is exactly square — 3.7402" bore and 3.7402" stroke are the same — which splits the difference between a high-revving layout and a torque layout. 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 4 cylinders displaces 41.1 ci (674 cc).
It is one of 4 engines in the RZ family, the largest at 164.4 ci. 10 factory variants share these dimensions, rated at 150 hp across 1995–2004.
| Displacement | 164.4 ci / 2.7 L |
|---|---|
| Bore | 3.7402" |
| Stroke | 3.7402" |
| Cylinders | 4 |
| Configuration | I4 |
| Bore/stroke ratio | 1 |
| Valvetrain | DOHC |
|---|---|
| Fuel type | gas |
| Advertised HP | 150 hp |
| Years | 1995–2004 |
| Bore/stroke character | 1.000 — square — bore and stroke are within 5%, a balanced compromise |
|---|---|
| Mean piston speed at 6,000 RPM | 3,740 ft/min — in the range typical of performance street engines |
| Displacement per cylinder | 41.1 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 |
|---|---|---|
| 1995 | 150 hp | 3RZ-FE |
| 1996 | 150 hp | 3RZ-FE |
| 1997 | 150 hp | 3RZ-FE |
| 1998 | 150 hp | 3RZ-FE |
| 1999 | 150 hp | 3RZ-FE |
| 2000 | 150 hp | 3RZ-FE |
| 2001 | 150 hp | 3RZ-FE |
| 2002 | 150 hp | 3RZ-FE |
| 2003 | 150 hp | 3RZ-FE |
| 2004 | 150 hp | 3RZ-FE |