Chevrolet LWQ Specs
Chevrolet LWQ engine specs: 170 ci (2.8L), 4-cylinder, 3.622" bore x 4.1339" stroke, 16.5:1 compression.
Dimensions
| Displacement | 170 ci / 2.8 L |
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| Bore | 3.622" |
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| Stroke | 4.1339" |
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| Cylinders | 4 |
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| Compression ratio | 16.5:1 |
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| Bore/stroke ratio | 0.876 |
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Construction
| Block material | cast iron |
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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 | 181 hp |
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What these numbers mean
| Bore/stroke character | 0.876 — undersquare — stroke exceeds bore, which favours low-end torque |
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| Mean piston speed at 6,000 RPM | 4,134 ft/min — in the range typical of performance street engines |
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| Displacement per cylinder | 42.5 ci |
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| Static compression | 16.5:1 — high enough that pump premium or better is normally required |
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Vehicles (2)
- Chevrolet Colorado
- GMC Canyon
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