Engine Compression
When making compression checks, disconnect ignition switch Pink wire from High Energy Ignition (HEI) system. Remove air cleaner. Set throttle and choke in wide open position. Remove all spark plugs and crank engine through at least 4 compression strokes.
COMPRESSION SPECIFICATIONS
| Application | Specification |
|---|---|
| Compression Ratio | 8.0:1 |
| Compression Pressure | 130 psi (9.1 kg/cm2 ) |
| Maximum Pressure Variation | 30 psi (2.1 kg/cm2 ) |