Engine Compression
Test compression with engine warm, all plugs removed and throttle and choke valves open.
COMPRESSION SPECIFICATIONS
| Application | Specifications | ||
|---|---|---|---|
| Compression Ratio | |||
| 260" V8 | 8.5:1 | ||
| 301" V8 | 8.2:1 | ||
| 305" V8 | 8.5:1 | ||
| 350" V8 | |||
| VIN "L" | 8.5:1 | ||
| VIN "R" | 8.3:1 | ||
| VIN "H", "J" & "X" | 8.0:1 | ||
| 403" & 455" V8 | 8.3:1 | ||
| Recommended Fuel | Unleaded (87 AKI Minimum) | ||
| Normal Compression Pressure | 155-175 psi | ||
| Minimum Compression Pressure | 100 psi | ||
| Max. Variation Between Cylinders | 30% | ||