GMC 3.0L Duramax I6 Diesel 15:1 Specs
GMC 3.0L Duramax I6 Diesel · 3.307" × 3.543" · 15:1 engine specs: 182 ci (3L), 6-cylinder, 3.3071" bore x 3.5433" stroke, 15:1 compression.
Dimensions
| Displacement | 182 ci / 3 L |
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| Bore | 3.3071" |
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| Stroke | 3.5433" |
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| Cylinders | 6 |
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| Compression ratio | 15:1 |
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| Bore/stroke ratio | 0.933 |
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Construction
| Block material | aluminum |
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| Head material | aluminum |
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| Valvetrain | DOHC |
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| Fuel type | diesel |
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| Advertised HP | 277–305 hp |
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What these numbers mean
| Bore/stroke character | 0.933 — undersquare — stroke exceeds bore, which favours low-end torque |
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| Mean piston speed at 6,000 RPM | 3,543 ft/min — in the range typical of performance street engines |
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| Displacement per cylinder | 30.3 ci |
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| Static compression | 15:1 — high enough that pump premium or better is normally required |
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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 |
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| — | 277 hp | LM2 |
| — | 305 hp | LZ0 |
Vehicles (5)
- GMC Sierra 1500
- Chevrolet Silverado 1500
- Chevrolet Tahoe
- Chevrolet Suburban
- GMC Yukon
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