Engine Compression
Check compression with engine at normal operating temperature, fully open throttle, all spark plugs removed and at normal cranking speed. Crank engine at least 12 revolutions per cylinder.
COMPRESSION SPECIFICATIONS
| Application | Specification | |
|---|---|---|
| Compression | ||
| 924-S & 944 | 9.7:1 | |
| 944-S | 10.9:1 | |
| 944 Turbo | 8.0:1 | |
| Compression Pressure | 145 psi (10 kg/cm2 ) | |