Engine Compression
Check compression with engine warm, all spark plugs removed and throttle wide open. Crank engine through at least 6 compression strokes per cylinder to determine engine compression.
COMPRESSION SPECIFICATIONS
| Application | Specification | ||||
|---|---|---|---|---|---|
| Compression Ratio | |||||
| 2.22L Turbo | 7.8:1 | ||||
| 2.22L Non-Turbo | 8.5:1 | ||||
| 2.3L | 10:1 | ||||
| Compression Pressure (1) | |||||
| 2.22L Non-Turbo | |||||
| Normal (New Engine) | 130-174 psi (9-12 kg/cm2 ) | ||||
| Minimum | 100 psi (7 kg/cm2 ) | ||||
| 2.22L Turbo | |||||
| Normal (New Engine) | 100-130 psi (7-9 kg/cm2 ) | ||||
| Minimum | 72 psi (5 kg/cm2 ) | ||||
| Max. Variation Between Cylinders | |||||
| 2.22L Non-Turbo | 29 psi (2 kg/cm2 ) | ||||
| 2.22L Turbo | 44 psi (3 kg/cm2 ) | ||||
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