Chevrolet L83 Specs
Chevrolet L83 engine specs: 325 ci (5.3L), 8-cylinder, 3.7795" bore x 3.622" stroke, 11:1 compression.
Dimensions
| Displacement | 325 ci / 5.3 L |
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| Bore | 3.7795" |
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| Stroke | 3.622" |
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| Cylinders | 8 |
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| Compression ratio | 11:1 |
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| Bore/stroke ratio | 1.043 |
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Construction
| Block material | aluminum |
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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 | 355 hp |
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What these numbers mean
| Bore/stroke character | 1.043 — square — bore and stroke are within 5%, a balanced compromise |
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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 | 40.6 ci |
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| Static compression | 11:1 — high enough that pump premium or better is normally required |
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Vehicles (5)
- Chevrolet Silverado 1500
- GMC Sierra 1500
- Chevrolet Tahoe
- GMC Yukon
- Cadillac Escalade (base)
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