| 4G9 ENGINE |
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| 4G93 |
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Descriptions |
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Type |
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Number of cylinders |
| 4 |
| 4 |
| 4 |
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Combustion chamber |
| Pentroof type |
| Pentroof type |
| Pentroof type |
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Total displacement dm3 |
| 1,834 |
| 1,834 |
| 1,834 |
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Cylinder bore mm |
| 81.0 |
| 81.0 |
| 81.0 |
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Piston stroke mm |
| 89.0 |
| 89.0 |
| 89.0 |
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Compression ratio |
| 10.0, 9.5 |
| 10.5 |
| 11.7*1, 12.0*2 |
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Valve timing | Intake | Opens | 14_ |
| 20_ |
| 15_ |
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| valve | (BTDC) |
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| Closes | 50_ |
| 60_ |
| 56_ |
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| (ABDC) |
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| Exhaust | Opens | 58_ |
| 61_ |
| 55_ |
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| valve | (BBDC) |
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| Closes | 10_ |
| 15_ |
| 15_ |
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| (ATDC) |
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Lubrication system |
| Pressure feed, full- | Pressure feed, full- | Pressure feed, full- | |||||
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| flow filtration |
| flow filtration |
| flow filtration |
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Oil pump type |
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| Trochoid type |
| Trochoid type |
| Trochoid type |
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Cooling system |
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| forced | forced | forced | ||||
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| circulation |
| circulation |
| circulation |
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Water pump type |
| Centrifugal | impeller | Centrifugal | impeller | Centrifugal | impeller | ||
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| type |
| type |
| type |
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*1: | Up to 1999 model |
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*2: | From 2000 model |
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E Mitsubishi Motors Corporation | May 2000 | Revised |