Mitsubishi 4G64 Specs
Mitsubishi 4G64 engine specs: 143 ci (2.4L), 4-cylinder, 3.4055" bore x 3.937" stroke, 9:1 compression.
Dimensions
| Displacement | 143 ci / 2.4 L |
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| Bore | 3.4055" |
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| Stroke | 3.937" |
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| Cylinders | 4 |
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| Compression ratio | 9:1 |
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| Bore/stroke ratio | 0.865 |
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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 | 138–145 hp |
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What these numbers mean
| Bore/stroke character | 0.865 — undersquare — stroke exceeds bore, which favours low-end torque |
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| Mean piston speed at 6,000 RPM | 3,937 ft/min — in the range typical of performance street engines |
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| Displacement per cylinder | 35.8 ci |
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| Static compression | 9:1 — low by modern standards, generally happy on regular pump fuel |
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Variants sharing these dimensions (2)
These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.
| Year | Advertised HP | Code |
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| — | 138 hp | 4G64 |
| — | 145 hp | 4G64 |
Vehicles (6)
- Eclipse GS
- Galant
- Outlander
- Eclipse RS/GS
- Eclipse Spyder
- Montero Sport
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