Test compression pressure with engine at normal operating temperature. Remove all spark plugs. Set throttle valve wide open.
| Application | Specification | |
|---|---|---|
| Compression Ratio | ||
| 2.8L | 8.9:1 | |
| 3.1L (VIN T) | 8.8:1 | |
| 3.1L (VIN V) | (1) | |
| 3.8L (VIN C) | 8.5:1 | |
| Compression Pressure | 100 psi (7 kg/cm 2 ) min. | |
| Max. Variation Between Cylinders | 30% | |
| (1) Information not available from manufacturer. | ||
| (1) | Information not available from manufacturer. |
COMPRESSION SPECIFICATIONS