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Ford Motor Co. Dual Advance Distributor Advance Specifications

NOTE: FOR ENGINE RPM AND DEGREES. MULTIPLY SPECIFICATIONS BELOW BY 2.
Part No. (1) Rot. (2) Automatic Advance (Distr. Degrees & RPM) Vacuum Advance (Distr. Degrees & In. of Hg.)
Deg. RPM Deg. RPM Deg. RPM Deg. RPM Deg. RPM Deg. In.Hg. Deg. In.Hg Deg. In.Hg. Deg. In.Hg.
C5AF-AE ............ ............... ............... ............... ............... ............... 0 .34 1-2 .90 4 1/2-5 1/2 2.1 8 3/4-10 4.8
C5AF-AK ........... 1 1/4-2 1/4 600 3 1/4-4 1/4 700 7 1/2-8 1/2 1200 9 1/4-10 3/4 1600 11 1/2-13 2000 3-6 7 6-9 9 9 1/2-12 1/2 14 9 1/2-12 1/2 20
C5AF-BG CC 0-1 300 3 1/4-4 1/4 600 5 1/2-6 3/4 1200 7 1/2-9 1800 8 1/4-9 3/4 2000 3 3/4-7 10 7-10 15 7 1/2-10 1/2 20 ............ .....
C5AF-F (3) CC 2 1/4-4 650 4-5 1/2 750 7 1/4-8 1/2 1000 9 3/4-11 1600 11 1/2-13 2000 ............ ..... ............ .... ............ .... ............ .....
C5AF-G ............ 1-2 500 3 1/4-4 1/4 600 5 3/4-6 3/4 800 7 3/4-9 1200 9 3/4-11 1600 1/2-3 1/2 9 2 1/2-5 1/2 12 4 1/2-7 1/2 14 ...............
C5AF-N CC 1 1/2-2 1/2 450 5 1/4-6 1/4 600 7 1/4-8 1/4 800 8 3/4-10 1400 10 1/2-12 2000 1 1/2-4 3/4 8 5-8 10 8 1/4-11 14 ............ .....
C5AF-M CC 1 1/2-2 1/2 650 4 3/4-5 3/4 800 8 1/2-9 1/2 1200 10 1/4-11 3/4 1600 12-13 3/4 2000 1 1/2-4 1/2 8 3 1/2-6 1/2 10 6 3/4-9 3/4 14 ............ .....
C5DF-D ............ ............ ..... ............ ..... ............ ..... ............ ..... ............ ..... 1 1/4-2 1/4 8 3 3/4-4 3/4 1.8 5 1/2-6 3/4 3.0 6 3/4-8 3.9
C5GF-A CC 1 1/2-2 1/4 550 5-6 700 6 3/4-7 3/4 1000 7 1/2-8 1/4 1400 8 1/2-10 2000 1 1/2-4 1/2 8 3 1/2-6 3/4 10 6 3/4-9 3/4 14 8-11 20
C5OF-E (3) CC 2 1/4-3 3/4 650 4-5 1/2 750 6 1/2-7 1/2 1000 7 1/2-8 3/4 1600 8 1/4-9 3/4 2000 ............ .... ............ .... ............ .... ............ ....
C6AF-AA CC 1 1/4-2 1/4 600 3 1/4-4 1/4 700 7 1/4-8 1/2 1200 9 1/4-10 3/4 1600 11 1/2-13 2000 3-6 7 6-9 9 9 1/2-12 1/2 14 9 1/2-12 1/2 20
C6AF-AB C 1/4-1 1/4 500 4 1/2-5 3/4 1000 5 1/2-6 3/4 1200 7 1/4-8 1/2 1600 9-10 1/2 2000 3-5 1/4 8 6 1/2-9 1/2 10 8-11 15 8-11 20
C6AF-AC C 0-1/2 400 2-3 600 6-7 1/4 1000 9-10 1/2 1550 ............ ........ 0-1 5 6-9 10 8-11 15 ............. ....
C6AF-AD C 0-1/2 300 2 1/4-3 1/4 500 5 3/4-6 3/4 1000 7 1/2-9 1500 9 1/2-11 2000 0-1 4 4 3/4-7 3/4 10 8 1/2-11 1/2 15 9-12 18
C6AF-AG ............ 2-3 500 5-6 600 10-11 1000 11 3/4-13 1500 12 3/4-14 1/4 1800 ............ .... 2-5 8 6-9 13 6 1/2-10 1/2 18
C6AF-AH ......... 0-1/2 300 1 1/2-2 1/2 500 4 3/4-5 3/4 1000 6 3/4-8 1500 8 3/4-10 2000 0-1 5 4-7 12 7-10 15 9 1/2-12 1/2 20
C6AF-AJ ............ 0-1/2 300 1 1/2-2 1/2 500 8-9 1000 10 1/4-11 1/2 1500 12 1/4-14 2000 0-1 5 6-9 10 9 1/2-12 1/2 15 ............ ....
C6AF-AK ......... 0-1/2 300 1 1/4-2 1/4 500 8 1/2-9 3/4 1000 10 1/2-11 3/4 1500 12 1/4-13 3/4 2000 0-1 5 5 1/4-8 10 8 1/2-11 1/2 18 ............ ....
C6AF-A CC 0-1/2 400 2 1/2-3 1/2 800 4 1/2-5 1/2 1200 7 1/4-8 3/4 1800 ............ ............ 0-1 5 3 1/2-6 1/2 10 7-10 15 ............ ....
C6AF-B CC 1 3/4-2 3/4 625 5 3/4-7 1200 7-8 1/4 1500 9-10 1/2 2000 ............ ............ 0-1 5 2-5 1/2 9 6-9 13 ............ ....
C6AF-C CC 2 1/4-3 1/4 600 5 3/4-7 1200 7 1/4-8 1/2 1600 8 3/4-10 1/4 2000 ............ ............ 0-1 5 6-9 13 8 1/2-10 1/4 17 ............ ....
C6AF-D CC 2 1/4-3 500 5 3/4-7 1200 8-9 1/2 1850 8 1/2-10 2000 ............ ............ 0-1 6 1-4 1/2 10 9-12 18 ............ ....
C6AF-E CC 1 1/2-2 1/2 500 5-6 1/4 1100 6 3/4-8 1500 8 3/4-10 1/4 2000 ............ ............ 0-1 6 3-6 11 7-10 15 ............ ....
C6AF-J CC 6-7 600 11-12 1000 13 1/2-15 1800 ............ ............ ............ ............ 0-1 7 2-5 13 5-8 16 ............ ....
C6AF-K CC 2-3 500 6 1/2-7 1/4 1000 7 3/4-9 1300 11 1/2-13 2000 ............ ............ 0-1 5 6-9 13 8 1/4-11 1/4 17 ............ ....
C6AF-L CC 2-3 500 6 1/4-7 900 8 3/4-10 1400 10 3/4-12 1/4 2000 ............ ............ 0-1 6 3-6 11 7-10 15 ............ ....
C6AF-S CC 2-3 600 6 1/4-7 1/4 800 11 1/4-12 1/4 1200 13-14 1/2 1800 ............ ............ 0-1 5 2-5 7 7-10 12 ............ ....
C6AF-T CC 1 1/4-2 1/4 475 3 3/4-4 3/4 700 7-8 1/4 1300 9 3/4-11 1800 ............ ............ 0-1 5 6-9 13 8 1/2-11 1/2 18 ............ ....
C6DF-A C 0-1/2 500 6 1/4-7 1/4 900 9 1/2-10 1/2 1200 12 1/2-13 3/4 1800 ............ ............ 0-1 5 3 1/4-6 1/4 10 7-10 1/4 15 ............ ....
C6DF-C C 0-1/2 300 2 1/4-3 1/4 600 6 1/4-7 1/4 900 9-10 1200 11 3/4-13 1/4 1800 0-1 4 7-10 10 9 1/2-12 1/2 15 ............ ....
C6DF-D C 0-1/2 300 2 1/2-3 1/2 600 7 3/4-8 3/4 900 9 1/4-10 1/2 1200 12 1/2-13 3/4 1800 0-1 5 3-6 10 3-6 15 ............ ....
C6DF-E C 0-1/2 300 2-3 500 6 1/2-7 3/4 900 8 1/4-9 1/2 1200 10 3/4-12 1/4 1800 0-1 5 3 1/2-6 1/4 10 7-10 1/4 15 ............ ....
C6DF-K ........... 0-1/2 300 2 1/2-3 1/2 600 8 1/4-9 1/4 1000 10 3/4-12 1/4 1500 13 1/2-15 2000 0-1 4 4 1/2-7 1/2 8 7-10 10 9 1/2-12 1/2 15
(1) Stamped on housing or on attaching plate. Basic Ford Part No. is "12127"
(2) C-Clockwise; CC - Counterclockwise (viewed from rotor end).
(3) Centrifugal Distributor.
Part No. (1) Rot. (2) Automatic Advance (Distr. Degrees & RPM) Vacuum Advance (Distr. Degrees & In. of Hg.)
Deg. RPM Deg. RPM Deg. RPM Deg. RPM Deg. RPM Deg. In.Hg. Deg. In.Hg Deg. In.Hg. Deg. In.Hg.
C6MF-A CC 2 1/2-3 1/4 500 5-6 1/4 1000 6 3/4-8 1/4 1500 8 1/2-10 2000 ............ ............ 0-1 5 2 3/4-5 3/4 10 7-10 15 8-11 18
C6OF-J CC 0-1/2 300 3-4 500 5 3/4-6 3/4 800 7 1/2-8 3/4 1200 10 3/4-12 1/4 2000 0-3/4 5 1-4 1/2 10 7-10 15 9 1/2-12 1/2 20
C6SF-B CC 1 1/2-2 1/2 500 5-6 1/4 1100 6 3/4-8 1500 8 3/4-10 1/4 2000 ............ ............ 0-1 6 3-6 11 7-10 15 ............ ....
C6SF-D CC 2-3 500 6 1/4-7 900 8 3/4-10 1400 10 3/4-12 1/4 2000 ............ ............ 0-1 6 3-6 11 7-10 15 ............ ....
C6VF-A CC 2-3 450 4 3/4-6 1175 5 3/4-7 1/4 1750 6 1/4-7 3/4 2000 ............ ............ 0-1 6 3-6 11 7-10 15 ............ ....
C6VF-B CC 2-3 450 4 3/4-6 1175 5 3/4-7 1/4 1750 6 1/4-7 3/4 2000 ............ ............ 0-1 6 3-6 11 7-10 15 ............ ....
C6ZF-A CC 2 1/2-3 1/2 475 7-8 625 10 1/4-11 1/2 1200 11-12 1/4 1850 ............ ............ 0-1 5 5-8 10 6 1/2-9 1/2 15 ............ ....
C6ZF-B CC 3-4 650 9-10 900 10 1/2-11 1/2 1200 11 1/2-13 2000 ............ ............ 0-1 5 2-5 9 4 1/2-7 1/2 14 ............ ....
(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.
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