Subaru FA 10.6:1 Specs
Subaru FA · 3.386" × 3.386" · 10.6:1 engine specs: 121.9 ci (2L), 4-cylinder, 3.3858" bore x 3.3858" stroke, 10.6:1 compression.
Dimensions
| Displacement | 121.9 ci / 2 L |
|---|
| Bore | 3.3858" |
|---|
| Stroke | 3.3858" |
|---|
| Cylinders | 4 |
|---|
| Compression ratio | 10.6:1 |
|---|
| Bore/stroke ratio | 1 |
|---|
Construction
| Block material | aluminum |
|---|
| Head material | aluminum |
|---|
| Valvetrain | DOHC |
|---|
| Fuel type | gas |
|---|
| Advertised HP | 250–300 hp |
|---|
What these numbers mean
| Bore/stroke character | 1.000 — square — bore and stroke are within 5%, a balanced compromise |
|---|
| Mean piston speed at 6,000 RPM | 3,386 ft/min — conservative for a street engine |
|---|
| Displacement per cylinder | 30.5 ci |
|---|
| Static compression | 10.6:1 — in the range that usually runs on pump premium |
|---|
Run the numbers for this engine
Each link opens the calculator with this engine's specs already filled in.
Variants sharing these dimensions (3)
These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.
| Year | Advertised HP | Code |
|---|
| — | 250 hp | FA20F |
| — | 268 hp | FA20F/FA20E (Turbo), FA20F, FA20F/FA20DIT (Turbo), FA20F (Turbo), FA20F/FA20E, FA20F/FA20DIT |
| — | 300 hp | FA20E |
Vehicles (7)
- Subaru Forester XT
- Subaru WRX (VA)
- Subaru WRX S4 (Japan)
- Subaru Levorg (Japan)
- Subaru WRX
- Subaru Legacy 2.0GT DIT
- Subaru Legacy
Similar engines
← All FA engines