Engine Compression
When making compression checks, disconnect the ignition (Pink wire) connector at High Energy Ignition distributor. With air cleaner removed and throttle and choke wide open, crank engine through at least four compression strokes.
ENGINE COMPRESSION
| Application | Specification | |
|---|---|---|
| Compression Ratio | ||
| 403" | 7.9:1 | |
| All Others | 8.5:1 | |
| Compression Pressure | 150 psi | |
| Maximum Pressure Variation | 20 psi | |
| Recommended Fuel | Unleaded (87 AKI) | |