Hyundai G4GR Specs
Hyundai G4GR engine specs: 91.5 ci (1.5L), 4-cylinder, 2.9724" bore x 3.2874" stroke, 9.4:1 compression.
Dimensions
| Displacement | 91.5 ci / 1.5 L |
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| Bore | 2.9724" |
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| Stroke | 3.2874" |
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| Cylinders | 4 |
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| Compression ratio | 9.4:1 |
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| Bore/stroke ratio | 0.904 |
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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 | 82 hp |
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What these numbers mean
| Bore/stroke character | 0.904 — undersquare — stroke exceeds bore, which favours low-end torque |
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| Mean piston speed at 6,000 RPM | 3,287 ft/min — conservative for a street engine |
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| Displacement per cylinder | 22.9 ci |
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| Static compression | 9.4:1 — low by modern standards, generally happy on regular pump fuel |
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