GMC 8V92 Specs
GMC 8V92 engine specs: 736 ci (12.1L), 8-cylinder, 4.8425" bore x 4.7638" stroke, 17:1 compression.
Dimensions
| Displacement | 736 ci / 12.1 L |
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| Bore | 4.8425" |
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| Stroke | 4.7638" |
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| Cylinders | 8 |
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| Compression ratio | 17:1 |
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| Bore/stroke ratio | 1.017 |
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Construction
| Block material | cast iron |
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| Head material | cast iron |
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| Valvetrain | OHV |
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| Fuel type | diesel |
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| Advertised HP | 450 hp |
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What these numbers mean
| Bore/stroke character | 1.017 — square — bore and stroke are within 5%, a balanced compromise |
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| Mean piston speed at 6,000 RPM | 4,764 ft/min — above the 4,500 ft/min mark where most production bottom ends are considered at their limit |
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| Displacement per cylinder | 92.0 ci |
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| Static compression | 17:1 — high enough that pump premium or better is normally required |
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Vehicles (5)
- GMC General
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