Ford Motor Co. Vacuum Advance Retard Specifications
| Distributor Part No. | Vacuum Retard (Distr. Degrees) | |||||||
|---|---|---|---|---|---|---|---|---|
| Deg. | In.Hg. | Deg. | In.Hg. | Deg. | In.Hg. | Deg. | In.Hg. | |
| C8AF-A | 0-1/2 | 5 | 2/2-6 | 10 | 5-6 | 15 | 5-6 | 20 |
| C8AF-B | 0-2/4 | 5 | 4-6 | 10 | 5-6 | 15 | 5-6 | 20 |
| C8AF-E | 0-1 | 5 | 2-5 1/4 | 10 | 5-6 | 15 | 5-6 | 20 |
| C8AF-R | 0-3/4 | 5 | 1 1/2-5 1/2 | 10 | 5-6 | 15 | 5-6 | 20 |
| C8DF-C | 0-1 1/4 | 5 | 3/4-6 | 10 | 5-6 | 15 | 5-6 | 20 |
| C8DF-D | 0-1/2 | 5 | 3-6 | 10 | 5-6 | 15 | 5-6 | 20 |
| C8DF-J | 0-1/2 | 5 | 2 3/4-6 | 10 | 5-6 | 15 | 5-6 | 20 |
| C8DF-C | .............. | .............. | .............. | .............. | ||||
| C8DF-H | 0 | 5 | /2-3/2 | 10 | 2/2-3/2 | 15 | 2/2-3/2 | 20 |
| C8VF-C | 0-1/2 | 5 | 1-5/4 | 10 | 5-6 | 15 | 5-6 | 20 |
| C9AF-R | 0-1 | 5 | 2/4-6 | 10 | 5-6 | 15 | 5-6 | 20 |
| C9AF-Y | 0-3/4 | 5 | 2/4-6 | 10 | 5-6 | 15 | 5-6 | 20 |
| C9DF-B | 0-2 | 5 | 3/4-6 | 10 | 5-6 | 15 | 5-6 | 20 |
| DODF-C | 0-1/4 | 5 | 1 1/2-6 | 10 | 5-6 | 15 | 5-6 | 20 |
| DODF-E | 0-1/4 | 5 | 2 3/4-6 | 10 | 5-6 | 15 | 5-6 | 20 |