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)

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)

Hose Disconnected⁽¹⁾ (Degrees BTDC)

Hose Connected⁽¹⁾ (Degrees BTDC)

D8BZ-A⁽²⁾

16-21

33-43

E1BZ-C

15-20

32-43

D9AZ-D

.....

E1BZ-E

20-25

38-48

D9BZ-C⁽³⁾

14-19

32-42

D94Y-A

.....

E1FZ-A⁽⁴⁾

19-24

33-43

E1FZ-J⁽⁵⁾

19-24

28-35

EOFZ-B

19-25

33-43

EOFZ-D

18-23

39-49

E1SZ-B⁽⁶⁾

19-24

37-47

E1SZ-C⁽⁷⁾

16-21

38-48

E1AZ-E

15-20

36-47

E1SZ-D

16-22

38-48

E1AZ-J

14-20

35-47

E1SZ-F

16-20

37-47

E1AZ-K

14-18

39-49

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

⁽²⁾	Calibration No. 1-12B-R10 is 12° initial, 18-23° disconnected, and 35-45° connected.

⁽³⁾	Calibration No. 1-11G-R0 is 12° initial, 18-23° disconnected, and 36-46° connected.

⁽⁴⁾	Calibration Nos. 1-3A-R13 and 1-3C-R13 are 8° initial, 17-22° disconnected, and 31-41° connected. Calibration No. 1-3N-R0 is 6° initial, 15-20° disconnected, and 29-39° connected.

⁽⁵⁾	Calibration Nos. 1-4Q-R1 and 1-4Q-R11 are 6° initial, 15-20° disconnected, and 24-31° connected.

⁽⁶⁾	Calibration No. 1-18M-R1 is 5° initial, 17-22° disconnected, and 35-45° connected.

⁽⁷⁾	Calibration Nos. 1-18W-R0 and l-18X-R0 are 12° initial, 18-23° disconnected, and 40-50° connected.