Subaru FA24F Specs
Subaru FA24F engine specs: 145.7 ci (2.387L), 4-cylinder, 3.7008" bore x 3.3858" stroke, 10.6:1 compression.
Dimensions
| Displacement | 145.7 ci / 2.387 L |
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| Bore | 3.7008" |
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| Stroke | 3.3858" |
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| Cylinders | 4 |
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| Compression ratio | 10.6:1 |
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| Bore/stroke ratio | 1.093 |
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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 | 260–271 hp |
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What these numbers mean
| Bore/stroke character | 1.093 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 3,386 ft/min — conservative for a street engine |
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| Displacement per cylinder | 36.4 ci |
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| Static compression | 10.6:1 — 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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| — | 260 hp | FA24F (Turbo), FA24F |
| — | 271 hp | FA24F |
Vehicles (5)
- Subaru Ascent
- Subaru WRX
- Subaru Outback XT
- Subaru Legacy XT
- Subaru Outback
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