Compression Pressure
With engine warm, all spark plugs removed and throttle wide open, the maximum variation between cylinders of any one engine should not exceed 20 psi (40 psi in "B" models and Motor Homes).
| Application | PSI |
|---|---|
| 318" Man. Trans. (Exc. "B" Models) | 120-160 |
| 318" Auto. Trans. (Exc. "B" Models) | 110-140 |
| 318" "B" Models | 100 Min. |
| 318"-3 (Exc. Motor Homes) | 90-130 |
| 383" | 125-155 |
| 318"-3 & 413" Motor Homes | 100 Min. |