Engine Compression
Check compression pressure with engine at normal operating temperature, all spark plugs removed and throttle valve wide open.
COMPRESSION SPECIFICATIONS
| Application | Specification | |
|---|---|---|
| Compression Ratio | ||
| 2-Bbl. | 9.0:1 | |
| 4-Bbl. | 8.4:1 | |
| Compression Pressure | 100 psi (7 kg/cm2 Min.) | |
| Max. Variation Between Cyl. | 25 psi (1.8 kg/cm2 ) | |