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. | |
| C7AF-AA | .................... | .................... | .................... | .................... | ||||
| C7OF-F | .................... | .................... | .................... | .................... | ||||
| C8AF-A | 0-1/2 | 5 | 2 1/2-6 | 10 | 5-6 | 15 | 5-6 | 20 |
| C8AF-B | 0-2 1/4 | 5 | 4-6 | 10 | 5-6 | 15 | 5-6 | 20 |
| C8AF-E | 0-1 | 5 | 2-5 3/4 | 10 | 5-6 | 15 | 5-6 | 20 |
| C8AF-M | 0-1 | 5 | 3 1/2-6 | 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 |
| C8AF-S | 0 | 5 | 1 1/4-4 1/2 | 10 | 4 3/4-6 | 15 | 5-6 | 20 |
| C8AF-T | 0-1/2 | 5 | 1 1/2-5 1/2 | 10 | 5-6 | 15 | 5-6 | 20 |
| C8DF-A | 0-1 3/4 | 5 | 3 1/2-6 | 10 | 5-6 | 15 | 5-6 | 20 |
| C8DF-B | 0-1 1/4 | 5 | 3-6 | 10 | 5-6 | 15 | 5-6 | 20 |
| C8DF-C | 0-1 3/4 | 5 | 3 1/4-6 | 10 | 5-6 | 15 | 5-6 | 20 |
| C8DF-D | 0-1 1/2 | 5 | 3-6 | 10 | 5-6 | 15 | 5-6 | 20 |
| C8OF-C | 0-2 | 5 | 4-6 | 10 | 5-6 | 15 | 5-6 | 20 |
| C8OF-D | 0 | 5 | 1/4-3 1/2 | 10 | 2 1/2-3 1/2 | 15 | 2 1/2-3 1/2 | 20 |
| C8TF-F | 0-1 3/4 | 5 | 3 1/2-6 | 10 | 5-6 | 15 | 5-6 | 20 |
| C8WF-B | 0-3/4 | 5 | 1 1/2-5 1/2 | 10 | 5-6 | 15 | 5-6 | 20 |
| C8ZF-A | 0-3/4 | 5 | 2 1/2-6 | 10 | 5-6 | 15 | 5-6 | 20 |
| C8ZF-D | .................... | .................... | .................... | .................... | ||||