Chevrolet Duramax 15:1 Specs
Chevrolet Duramax · 3.307" × 3.543" · 15:1 engine specs: 183 ci (3L), 6-cylinder, 3.3071" bore x 3.5433" stroke, 15:1 compression.
Dimensions
| Displacement | 183 ci / 3 L |
|---|
| Bore | 3.3071" |
|---|
| Stroke | 3.5433" |
|---|
| Cylinders | 6 |
|---|
| Compression ratio | 15:1 |
|---|
| Bore/stroke ratio | 0.933 |
|---|
Construction
| Block material | aluminum |
|---|
| Head material | aluminum |
|---|
| Valvetrain | DOHC |
|---|
| Fuel type | diesel |
|---|
| Advertised HP | 277–305 hp |
|---|
What these numbers mean
| Bore/stroke character | 0.933 — undersquare — stroke exceeds bore, which favours low-end torque |
|---|
| Mean piston speed at 6,000 RPM | 3,543 ft/min — in the range typical of performance street engines |
|---|
| Displacement per cylinder | 30.5 ci |
|---|
| Static compression | 15:1 — high enough that pump premium or better is normally required |
|---|
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 |
|---|
| — | 277 hp | LM2 |
| — | 305 hp | LZ0 |
Vehicles (5)
- Chevrolet Silverado 1500
- GMC Sierra 1500
- Chevrolet Tahoe
- GMC Yukon
- Cadillac Escalade
Similar engines
← All Duramax engines