Hyundai G8BE Specs
Hyundai G8BE engine specs: 307.5 ci (5L), 8-cylinder, 3.7795" bore x 3.4252" stroke, 11.5:1 compression.
Dimensions
| Displacement | 307.5 ci / 5 L |
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| Bore | 3.7795" |
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| Stroke | 3.4252" |
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| Cylinders | 8 |
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| Compression ratio | 11.5:1 |
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| Bore/stroke ratio | 1.103 |
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Construction
| Block material | aluminum |
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| Head material | aluminum |
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| Valvetrain | DOHC |
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| Fuel type | gas |
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| Advertised HP | 420 hp |
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What these numbers mean
| Bore/stroke character | 1.103 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 3,425 ft/min — conservative for a street engine |
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| Displacement per cylinder | 38.4 ci |
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| Static compression | 11.5:1 — high enough that pump premium or better is normally required |
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Vehicles (3)
- Genesis G90
- Genesis Sedan
- Equus
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