Mercury 3.7L Duratec Specs
Mercury 3.7L Duratec engine specs: 227 ci (3.7L), 6-cylinder, 3.7598" bore x 3.4134" stroke, 10.3:1 compression.
Dimensions
| Displacement | 227 ci / 3.7 L |
|---|
| Bore | 3.7598" |
|---|
| Stroke | 3.4134" |
|---|
| Cylinders | 6 |
|---|
| Compression ratio | 10.3:1 |
|---|
| Bore/stroke ratio | 1.101 |
|---|
Construction
| Block material | aluminum |
|---|
| Head material | aluminum |
|---|
| Valvetrain | DOHC |
|---|
| Fuel type | gas |
|---|
| Advertised HP | 270–273 hp |
|---|
What these numbers mean
| Bore/stroke character | 1.101 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
|---|
| Mean piston speed at 6,000 RPM | 3,413 ft/min — conservative for a street engine |
|---|
| Displacement per cylinder | 37.8 ci |
|---|
| Static compression | 10.3:1 — 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 (2)
These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.
| Year | Advertised HP | Code |
|---|
| — | 270 hp | Duratec 37, 3.7L Duratec |
| — | 273 hp | 3.7L, 3.7L Duratec |
Vehicles (2)
- Mercury Milan
- Mercury Mountaineer
Similar engines
← All Duratec engines