Ford Distributor Advance Specifications

NOTE: FOR DISTRIBUTOR RPM & DEGREES, DIVIDE SPECIFICATIONS BY 2

Distributor Part No. (Basic Part No. is 12127)

Initial Timing (Degrees BTDC)

Total Advance @ 2500 Engine RPM (Including Initial Advance)

Hose Disconnected⁽¹⁾ (Degrees BTDC)

Hose Connected⁽¹⁾ (Degrees BTDC)

EOFZ-B

19-25

33-43

EOFZ-C⁽²⁾

17-22

38-49

EOFZ-D

16-21

37-47

E1AZ-K⁽³⁾

14-18

39-49

E1BZ-E

20-25

38-48

E1FZ-B⁽⁴⁾

15-20

29-39

E1SZ-D

16-22

38-48

E2BZ-A

19-23

36-46

E2BZ-B

14-19

35-46

E2BZ-C

10⁽⁵⁾

16-21

33-44

E2DZ-A

10-15

31-42

E2FZ-A & E2FZ-C⁽⁶⁾

15-20

40-51

E2FZ-E & E2FZ-G⁽⁷⁾

20-24

45-55

E2FZ-F⁽⁸⁾

21-26

38-49

E2FZ-L

17-22

34-45

E25Z-A⁽⁹⁾

14-19

35-46

E25Z-B

19-23

36-46

E25Z-C

22-27

43-54

E25Z-D

17-21

38-48

E2VY-B

17-22

344-45

E2ZZ-D

21-26

42-53

⁽¹⁾	Part throttle advance hose at distributor diaphragm. If disconnected, plug hose.

⁽²⁾	Calibration No. 2-5C-R0 is 4° initial timing, 15-20° disconnected, and 36-47° connected.

⁽³⁾	Calibration No. 2-20Z-R0 is 14° initial timing, 20-24° disconnected, and 45-55° connected.

⁽⁴⁾	Calibration No. 1-3Y-R10 is 8° initial timing, 17-22° disconnected, and 31-41 ° connected.

⁽⁵⁾	Calibration No. 2-12T-R4 is 12°.

⁽⁶⁾	Calibration No. 1-4S-R10 is 8° initial timing, 11-16° disconnected, and 36-47° connected.

⁽⁷⁾	Calibration No. 2-4Q-R0 is 8° initial timing, 18-22° disconnected, and 43-53° connected.

⁽⁸⁾	Calibration No. 2-3E-R0 is 12° initial timing, 19-24° disconnected, and 36-47° connected. Calibration No. 2-3G-R1 is 10° initial timing, 17-22° disconnected, and 34-45° connected.

⁽⁹⁾	Calibration No.'s 2-18W-R0 and 2-18X-R0 are 14° initial timing, 20-25° disconnected, and 41-52° connected.