| Cold Control Pressure Readings | |||
| Application | 50deg.F. (psi) | 75deg.F. (psi) | 100deg.F (psi) |
| 911 1973 | 15 | 25 | 35 |
| 911 1974-75 | 17 | 32 | 45 |
| 911 1976-77 | 20 | 32 | 49 |
| 911 1978-79 | 25 | 32 | 43 (registration number 0438140045) |
| 911 1979 | 21 | 33 | 47 (registration number 0438140069) |
| 924 | 16 | 23 | 32 |
| 928 | 17 | 30 | 47 |
| System Pressure Readings | |||
| 911 1973-74 | 65-75 | ||
| 911 1975 | 65-75 | ||
| 911 1976 | 65-75 | ||
| 911 1977 | 65-75 | ||
| 911 1978-79 | 65-75 | ||
| 924 | 65-75 | ||
| 928 | 65-75 | ||
| Warm Control Pressure Readings | |||
| 911 1973-74 | Idle 41-44 Part 49-55 Full 38-44 | ||
| 911 1975 | 39-45 | ||
| 911 1976 | 39-45 | ||
| 911 1977 | 39-45 | ||
| 911 1978-79 | 39-45 | ||
| 924 | 39-45 | ||
| 928 | 49-55 | ||
| Rest Pressure Readings | |||
| 911 1973-74 | 16 | ||
| 911 1975 | 16 | ||
| 911 1976 | 16 | ||
| 911 1977 | 16 | ||
| 911 1978-79 | 16 | ||
| 924 | 22 | ||
| 928 | 25 | ||