Lexus 1UZ-FE Specs
Lexus 1UZ-FE engine specs: 242 ci (4L), 8-cylinder, 3.4449" bore x 3.248" stroke, 10:1 compression.
Dimensions
| Displacement | 242 ci / 4 L |
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| Bore | 3.4449" |
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| Stroke | 3.248" |
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| Cylinders | 8 |
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| Compression ratio | 10:1 |
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| Bore/stroke ratio | 1.061 |
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Construction
| Block material | aluminum |
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| Head material | aluminum |
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| Valvetrain | DOHC |
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| Fuel type | gas |
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| Advertised HP | 250–256 hp |
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What these numbers mean
| Bore/stroke character | 1.061 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 3,248 ft/min — conservative for a street engine |
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| Displacement per cylinder | 30.3 ci |
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| Static compression | 10:1 — in the range that usually runs on pump premium |
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Variants sharing these dimensions (2)
These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.
| Year | Advertised HP | Code |
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| — | 250 hp | 1UZ-FE |
| — | 256 hp | 1UZ-FE |
Vehicles (6)
- Lexus LS 400
- Lexus SC 400
- Lexus GS 400
- LS 400
- SC 400
- GS 400
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