Engine Mechanical: Compression
ENGINE COMPRESSION SPECIFICATIONS
| Engine | Specification | ||||
|---|---|---|---|---|---|
| 4.0L | |||||
| Compression Ratio | 8.8:1 | ||||
| Max. Variation Between Cylinders | 30 psi (206 kPa) | ||||
| Pressure Range | 120 to 150 psi (827 to 1, 034 kPa) | ||||
| 4.7L (1) | |||||
| Compression Ratio (Except HO Engine) | 9.0:1 | ||||
| Compression Ratio (HO Engine) | 9.7:1 | ||||
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