Hyundai G4HG Specs
Hyundai G4HG engine specs: 67.1 ci (1.1L), 4-cylinder, 2.6378" bore x 3.0709" stroke, 10.1:1 compression.
Dimensions
| Displacement | 67.1 ci / 1.1 L |
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| Bore | 2.6378" |
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| Stroke | 3.0709" |
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| Cylinders | 4 |
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| Compression ratio | 10.1:1 |
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| Bore/stroke ratio | 0.859 |
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Construction
| Block material | cast iron |
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| Head material | aluminum |
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| Valvetrain | SOHC |
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| Fuel type | gas |
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| Advertised HP | 66 hp |
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What these numbers mean
| Bore/stroke character | 0.859 — undersquare — stroke exceeds bore, which favours low-end torque |
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| Mean piston speed at 6,000 RPM | 3,071 ft/min — conservative for a street engine |
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| Displacement per cylinder | 16.8 ci |
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| Static compression | 10.1:1 — in the range that usually runs on pump premium |
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