Subaru EJ22G Specs
Subaru EJ22G engine specs: 135 ci (2.2L), 4-cylinder, 3.815" bore x 2.9528" stroke, 8:1 compression.
Dimensions
| Displacement | 135 ci / 2.2 L |
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| Bore | 3.815" |
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| Stroke | 2.9528" |
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| Cylinders | 4 |
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| Compression ratio | 8:1 |
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| Bore/stroke ratio | 1.292 |
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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 | 160–280 hp |
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What these numbers mean
| Bore/stroke character | 1.292 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 2,953 ft/min — conservative for a street engine |
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| Displacement per cylinder | 33.8 ci |
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| Static compression | 8:1 — low by modern standards, generally happy on regular pump fuel |
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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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| — | 160 hp | EJ22T, EJ22G |
| — | 280 hp | EJ22G |
Vehicles (4)
- Subaru Impreza 22B STI
- Subaru Impreza 22B STi
- Subaru Legacy Turbo
- Subaru Legacy Sport Sedan
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