Subaru 61 Specs
Subaru 61 engine specs: 59.6 ci (1L), 4-cylinder, 2.9921" bore x 2.1654" stroke, 9:1 compression.
Dimensions
| Displacement | 59.6 ci / 1 L |
|---|
| Bore | 2.9921" |
|---|
| Stroke | 2.1654" |
|---|
| Cylinders | 4 |
|---|
| Compression ratio | 9:1 |
|---|
| Bore/stroke ratio | 1.382 |
|---|
Construction
| Block material | aluminum |
|---|
| Head material | aluminum |
|---|
| Valvetrain | OHV |
|---|
| Fuel type | gas |
|---|
| Advertised HP | 55 hp |
|---|
What these numbers mean
| Bore/stroke character | 1.382 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
|---|
| Mean piston speed at 6,000 RPM | 2,165 ft/min — conservative for a street engine |
|---|
| Displacement per cylinder | 14.9 ci |
|---|
| Static compression | 9:1 — low by modern standards, generally happy on regular pump fuel |
|---|
Run the numbers for this engine
Each link opens the calculator with this engine's specs already filled in.
Vehicles (2)
- Subaru 1000
- Subaru FF-1 Star
Similar engines
← All EA engines