Ford Motor Co. Dual Advance Distributor Advance Specifications

NOTE: FOR ENGINE RPM AND DEGREES, MULTIPLY SPECIFICATIONS BELOW BY 2.

Distributor Part No.⁽¹⁾

Rot. ⁽²⁾

Automatic Advance (Distr. Degrees & RPM)

Vacuum Advance (Distr. Degrees)

Degs.

RPM

Degs.

RPM

Degs.

RPM

Degs.

RPM

Degs.

RPM

Max. Degs.

Deg.

In.Hg.

Deg.

In.Hg.

Deg.

In.Hg.

Deg.

In.Hg.

C5OF-E

2 1/4-3 1/4

650

4-5 1/2

750

6 1/2-7 1/2

1000

7 1/2-8 1/4

1600

8 1/4-9 3/4

2000

................

............

C7AF-E

0-1/2

300

2 1/2-3 1/4

500

4 3/4-6 1/4

1000

7-8 1/4

1500

8 1/4-10 1/4

2000

0-1

3/2-6 1/4

7 1/2-10 1/2

9-12

C7AF-J

0-1/2

300

1 1/2-2 1/2

500

4 3/4-5 1/4

1000

6 1/4-8

1500

8 1/4-10 1/4

2000

0-3/4

1-4 1/2

7-10

9 1/2-12 1/2

C7AF-U

0-1

375

5 3/4-1/4

550

7 1/2-8 1/4

1300

....................

9 3/4-11 1/4

2000

0-1/2

0-4

9.5

4 1/4-7 1/4

11-18

16.4

C7AF-AA

0-1/2

350

1/2-1 1/2

500

6 1/4-7 1/2

1000

8 1/2-9 3/4

1500

10 1/4-12 1/4

2000

0-1

4 1/4-7

8 1/2-11 1/2

C7AF-AC

0-1/2

350

1-2

500

6 3/4-7 3/4

1000

8 1/4-10

1500

10 1/4-12 1/4

2000

0-1

1-5

7-10

9 1/2-12 1/2

C7AF-AD

0-1/22

300

1/4-1 1/4

500

3 1/2-4 1/2

1000

5 3/4-7 1/4

1500

8 1/4-9 3/4

2000

0-1

5-8

9 1/2-12 1/2

C7AF-AG

................

1/2-1 1/2

550

5 1/4-6 1/4

850

7 1/2-8 1/4

1400

10-11 1/2

2000

0-1

1/2-3 1/2

5-8

9 1/2-12 1/2

C7MF-G

0-1/2

300

2 1/4-3 1/4

500

5-6 1/4

1000

6 3/4-8 1/4

1500

8 1/2-10

2000

0-1

3 1/2-6 1/2

8-11

9 1/2-12 1/2

C7MF-H

0-1/2

300

2-3

500

63/4-7 3/4

1000

8 3/4-10

1500

10 3/4-12 1/4

2000

0-1

3/2-6/2

8-11

C7OF-A

0-1/2

400

4 1/4-5 3/4

800

7 1/2-8 1/2

1000

9 3/4-11

1500

12-13 3/4

2000

0-1

3 1/2-6 1/2

7 1/4-10 1/4

8-11

C7OF-B

0-1/2

300

2 3/4-3 3/4

500

7 1/4-8 3/4

1000

9-10 1/2

1500

10 1/2-12

2000

0-1

5-8

9 1/4-12 1/4

9 1/2-12 1/2

C7OF-D

0-1/2

300

3-4

600

8-9

1000

10 1/4-11 1/2

1500

12 1/2-14

2000

0-1

6-9 1/2

9 1/2-12 1/2

C7OF-F

0-1/2

350

2-3

500

9 1/2-10 1/2

1000

11 1/4-12 1/2

1500

13-14 1/2

2000

0-1

1-4 3/4

7-10

8-11

C7OF-G

................

...

..............

................

C7OF-H

0-1/2

300

3 1/4-4 1/2

500

6 1/4-7 1/4

1000

8-9 1/2

1500

9 3/4-1 11 1/4

2000

0-1

1-5

6-9

13.8

C7SF-A

0-1/2

300

2 1/4-3 1/4

500

5-6 1/4

1000

6 3/4-8 1/4

1500

8 1/2-10

2000

0-3/4

1 1-4 3/4

7-10

9 1/2-12/2

C7SF-B

0-1/2

300

2-3

500

6 1/2-7 3/4

1000

6 3/4-8 1/4

1500

10 3/4-12 1/4

2000

0-3/4

1-4 3/4

7-10

9 1/2-12 1/2

C7VF-A

0-1/2

300

1 3/4-3 1/4

400

4 1/2-5 1/2

1000

5 1/4-6 3/4

1500

6 1/4-7 3/4

2000

0-1

1-4 1/2

7-10

9 1/2-12 1/2

C7ZF-A

0-1/2

300

2 1/2-3 1/2

600

6/2-7 3/4

1000

7 1/2-8 3/4

1500

8 1/2-10

2000

0-1

3 1/2-6 3/4

7 1/4-10 1/4

8-11

C7ZF-D

0-1/2

300

1 3/4-2 3/4

500

10 1/4-11 1/4

1000

11-12 1/4

1500

11 1/2-13

2000

0-1

3-6

4 1/2-7 1/2

C7ZF-E

0-1/2

300

3-4 1/4

500

10-11 1/4

1000

10 3/4-12

1500

11 1/4-12 3/4

2000

0-1

6 1/2-9 1/2

9 1/2-12 1/2

C7ZF-F

0-1

390

6 1/2

600

7 3/4

1200

....................

8 3/4-10 1/4

2000

0-3

5.8

6 1/4-9 1/4

................

9 1/2-12 1/2

14.5

C8AF-A

0-1/2

350

0-1 1/2

750

2 1/4-4 1/2

1000

6-8

1500

7 1/2-10

2000

...

0-3/4

1-3 3/4

5 1/2-8

C8AF-B

0-1/2

350

0-1/2

500

2 3/4-5

1000

4 1/2-6 3/4

1500

6 1/4-8 3/4

2000

0-1

3-6

6 1/2-9

C8AF-E

0-1/2

350

0-1 3/4

500

6-8 1/4

1000

8-10 1/4

1500

10-12 1/2

2000

0-3/4

0-3

5 1/2-8 1/2

8 1/2-11

C8AF-J

0-1/2

350

0-2

500

6 3/4-8 3/4

1000

8 3/4-11

1500

10 3/4-13 1/4

2000

0-1

1-5

7-10 1/4

10-12 1/2

C8AF-M

0-1/2

350

1/2-2 1/2

500

3 1/2-5 1/2

1000

5 3/4-8 1/4

1500

8 1/4-10 3/4

2000

0-1

4-6 3/4

9 1/4-12 1/4

10-12 1/2

C8AF-R

0-1/2

350

0-2

500

5 3/4-9 3/4

1000

7 3/4-10

1500

9 1/4-12 1/4

2000

0-3/4

1-4 3/4

6 3/4-9 3/4

10-12 1/2

C8AF-S

0-1/2

350

1-3

500

5 3/4-7 3/4

1000

7 3/4-10

1500

9 3/4-12 1/4

2000

0-1

3 1/4-6 1/4

8-11

10-12 1/2

C8AF-T

0-1/2

350

2 3/4-4 3/4

750

5 3/4-7 3/4

1000

7 3/4-10

1500

9 3/4-12 1/4

2000

0-3/4

1-4 3/4

6 3/4-10

10-12 1/2

C8AF-Y

0-1/2

350

2 3/4-4 3/4

750

5 3/4-7 3/4

1000

7 3/4-10

1500

9 3/4-12 1/4

2000

0-3/4

1-4 3/4

7-10

9 1/2-12 1/2

C8DF-A

0-1/2

350

0-2

500

6 1/4-8 1/4

1000

8 3/4-11

1500

10 1/2-13

2000

0-1

3-6

5 1/2-8

C8DF-B

0-1/2

350

1-3

750

3 3/4-5 3/4

1000

8 1/2-10 1/2

1500

12-14

2000

0-3

6-9

7-9 1/2

C8DF-C

0-1/2

350

0-2

500

6 1/2-8 1/2

1000

8 1/4-10 1/2

1500

9 1/2-12

2000

0-1

6 3/4-9 1/2

10-12 1/2

C8DF-D

0-1/2

350

0-1 1/4

500

4 3/4-6 3/4

1000

9-11 1/4

1500

12-14

2000

0-1

6 1/2-9 1/2

8 1/2-11

C8OF-C

0-1/2

350

0-1 3/4

500

6-8 1/4

1000

8-10 1/4

1500

10-12 1/2

2000

0-1

2-5

5 3/4-8 3/4

9-11 1/2

C8OF-D

0-1/2

350

3/4-2 3/4

500

8 1/2-10 1/2

1000

10 1/4-12 1/2

1500

12-14 1/2

2000

0-3/4

1 3/4-4 3/4

6 3/4-9 1/2

7-9 1/2

C8TF-F

0-1/2

350

0-1/2

500

3 1/2-5 1/2

1000

7-9

1500

8 3/4-11

2000

0-1

2-5

5 3/4-8 3/4

9-11 1/2

C8VF-A

0-1/2

350

2 1/2-4 1/2

750

6 1/2-8 1/2

1000

8-10 1/4

1500

9-1 1/2

2000

0-1

1-4

6-9

9 1/2-12

C8VF-C

................

...

..............

................

C8VF-F

0-1/2

350

0-1/4

500

4 3/4-6 3/4

1000

5 3/4-8 3/4

1500

7-9 1/4

2000

0-1

1-4

6-9

9 1/2-12

C8VF-G

0-1/2

350

3/4-2 3/4

750

4 1/2-6 1/2

1000

6-8/4

1500

7-9 1/2

2000

0-1

1/2-4 1/4

8 1/2-11 1/2

9 1/2-12

C8WF-A

500

4-6

800

9 3/4-12

2000

....................

2000

0-4

9.5

7-10

................

C8WF-B

0-1/2

350

1/2-1 1/2

500

5-7

1000

7 1/2-9 3/4

1500

9 3/4-12 1/4

2000

0-3/4

1-4 3/4

7-10

10-12 1/2

C8ZF-A

0-1/2

350

3/4-2 3/4

500

5 1/2-7 1/2

1000

6 1/4-8 1/2

1500

7-9 1/2

2000

0-1

4 3/4-8

8-10 1/2

C8ZF-B

................

...

..............

................

C8ZF-D

0-1/2

350

1-3

750

3 3/4-5 3/4

1000

6 1/4-8 1/2

1500

7-9 1/2

2000

0-3/4

1-4

5 1/2-8 1/2

6/2-9

⁽¹⁾	Part No. prefix and suffix stamped on housing. Basic Ford Part No. (omitted) is "12127".

⁽²⁾	C (Clockwise), CC (Counterclockwise) viewed from rotor end.