Subaru EJ18 Specs
Subaru EJ18 engine specs: 110.8 ci (1.82L), 4-cylinder, 3.4606" bore x 2.9528" stroke, 9.5:1 compression.
Dimensions
| Displacement | 110.8 ci / 1.82 L |
|---|
| Bore | 3.4606" |
|---|
| Stroke | 2.9528" |
|---|
| Cylinders | 4 |
|---|
| Compression ratio | 9.5:1 |
|---|
| Bore/stroke ratio | 1.172 |
|---|
Construction
| Block material | aluminum |
|---|
| Head material | aluminum |
|---|
| Valvetrain | SOHC |
|---|
| Fuel type | gas |
|---|
| Advertised HP | 110 hp |
|---|
What these numbers mean
| Bore/stroke character | 1.172 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
|---|
| Mean piston speed at 6,000 RPM | 2,953 ft/min — conservative for a street engine |
|---|
| Displacement per cylinder | 27.7 ci |
|---|
| Static compression | 9.5:1 — 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.
Vehicles (2)
- Subaru Impreza
- Subaru Legacy
Similar engines
← All EJ engines