Chevrolet LY6 Specs
Chevrolet LY6 engine specs: 364 ci (6L), 8-cylinder, 4" bore x 3.622" stroke, 9.6:1 compression.
Dimensions
| Displacement | 364 ci / 6 L |
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| Bore | 4" |
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| Stroke | 3.622" |
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| Cylinders | 8 |
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| Compression ratio | 9.6:1 |
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| Bore/stroke ratio | 1.104 |
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Construction
| Block material | cast iron |
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| Head material | aluminum |
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| Valvetrain | OHV |
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| Fuel type | gas |
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| Advertised HP | 367 hp |
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What these numbers mean
| Bore/stroke character | 1.104 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 3,622 ft/min — in the range typical of performance street engines |
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| Displacement per cylinder | 45.5 ci |
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| Static compression | 9.6:1 — in the range that usually runs on pump premium |
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Vehicles (4)
- Chevrolet Silverado HD
- GMC Sierra HD
- Chevrolet Express Van
- GMC Savana Van
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