GMC 502 Specs
GMC 502 engine specs: 502 ci (8.2L), 8-cylinder, 4.4201" bore x 4" stroke, 9.6:1 compression.
Dimensions
| Displacement | 502 ci / 8.2 L |
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| Bore | 4.4201" |
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| Stroke | 4" |
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| Cylinders | 8 |
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| Compression ratio | 9.6:1 |
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| Bore/stroke ratio | 1.105 |
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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 | 338 hp |
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What these numbers mean
| Bore/stroke character | 1.105 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 4,000 ft/min — in the range typical of performance street engines |
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| Displacement per cylinder | 62.8 ci |
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| Static compression | 9.6:1 — in the range that usually runs on pump premium |
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Vehicles (1)
- GMC Performance Crate Engines
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