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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.
C5AF-F 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 16 ............... ............... ............... ...............
C5OF-E 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 14 ............... ............... ............... ...............
C6AF-AA C 1 1/4-2 1/4 600 6-7 1/4 1000 7 1/4-8 1/2 1200 9 1/4-10 3/4 1600 11 1/2-13 2000 14 3-6 7 6-9 9 9 1/2-12 1/2 14 9 1/2-12 1/2 20
C6AF-AB C 1 1/4-2 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 11 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 ............ ............ 16 0-1 5 6-9 10 8-11 15 9-12 20
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 14 0-1 4 4 3/4-7 3/4 10 8 1/2-11 1/2 15 9-12 20
C6DF-A C 0-1/2 500 6 1/4-7 1/4 900 7-8 1000 9 1/2-10 1/2 1200 12 1/2-13 3/4 1800 16 0-1 5 3 1/4-6 1/4 10 7-10 1/4 15 9-12 20
C6DF-D C 2 1/2-3 1/2 600 7 3/4-8 3/4 900 8 1/2-9 1/2 1000 9 1/4-10 1/2 1200 12 1/2-13 3/4 1800 16 0-1 5 3-6 10 3-6 15 3-6 20
C7AF-AA CC 0-1/2 300 2 1/4-3 1/4 600 6 1/4-7 1/2 1000 8 1/2-9 3/4 1500 10 1/2-12 2000 14 0-1 5 4 1/4-7 10 8 1/2-11 1/2 15 8 1/2-11 1/2 20
C7AF-AB(3) CC 0-1/2 300 3/4-1 3/4 600 4 1/2-5 1/2 1000 6 1/2-7 1/2 1500 8 1/4-9 3/4 2000 14 0-1 5 4-7 10 8 1/2-11 1/2 15 8 1/2-11 1/2 20
C7AF-AC CC 0-1/2 300 1-2 500 6 3/4-7 3/4 1000 8 3/4-10 1500 10 3/4-12 1/4 2000 14 0-1 5 1-5 10 7-10 15 9 1/2-12 1/2 20
C7AF-AD CC 0-1/2 300 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 14 0-1 5 5-8 10 9 1/2-12 1/2 15 9 1/2-12 1/2 20
C7AF-AE CC 0-1/2 300 3 1/4-4 1/2 500 8 3/4-9 3/4 1000 9 1/2-11 1500 10 1/2-12 2000 14 0-1 5 6-9 1/2 10 9 1/2-12 1/2 15 9 1/2-12 1/2 20
C7AF-AF CC 0-1/2 300 1 1/2-2 1/2 500 4 1/2-5 3/4 1000 6 3/4-8 1500 8 3/4-10 1/4 2000 11 0-1 5 1-4 1/2 10 7-10 15 9 1/2-12 1/2 20
C7AF-AG CC ............... 1/2-1 1/2 550 5 1/4-6 1/4 850 7 1/2-8 3/4 1400 10-11 1/2 2000 14 0-1 5 1/2-3 1/2 6 5-8 9 9 1/2-12 1/2 15
C7AF-AH CC 0-1/2 300 3/4-1 3/4 600 7 1/4-8 1/4 1000 9 1/2-10 3/4 1500 10 3/4-12 1/4 2000 14 0-1 5 1 1/2-4 1/2 10 6-9 1/4 15 7-10 20
C7AF-A CC 0-1/2 300 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 14 0-1 5 3 1/2-6 3/4 10 7 1/4-10 1/4 15 9-12 20
C7AF-B CC 0-1/2 300 1 1/4-2 1/2 500 5-6 1000 7-8 1/4 1500 9-10 1/2 2000 14 0-1 5 3 1/2-6 1/2 10 7-10 15 9-12 20
C7AF-C CC 0-1/2 300 2-3 500 6-7 1/4 1000 8 3/4-10 1/4 1500 11 1/2-13 2000 16 0-1 5 3 1/2-6 3/4 10 7 1/4-10 1/4 15 9-12 20
C7AF-D CC 0-1/2 300 2-3 500 5 1/4-6 1/2 1000 8-9 1/2 1500 10 3/4-12 1/4 2000 16 0-1 5 3 1/2-6 3/4 10 7-10 1/4 15 9-12 20
C7AF-E CC 0-1/2 300 2 1/4-3 1/4 500 4 3/4-6 1/4 1000 7-8 1/4 1500 8 3/4-10 1/4 2000 14 0-1 5 3 1/2-6 3/4 10 7 1/2-10 1/2 15 9-12 20
C7AF-J CC 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 1/4 2000 14 0-3/4 5 1-4 1/2 10 7-10 15 9 1/2-12 1/2 20
C7AF-L CC 0-1/2 300 2-3 1/4 500 6-7 1/4 1000 8 1/4-9 3/4 1400 9-11 2000 11 0-1 5 1 1/2-4 1/2 10 5 3/4-8 3/4 15 8 1/2-11 1/2 20
C7AF-N CC 0-1/2 300 1 1/2-2 1/2 500 4 1/2-5 3/4 1000 6 3/4-8 1500 8 3/4-10 1/4 2000 14 0-3/4 5 1-4 3/4 10 7-10 15 9 1/2-12 1/2 20
C7AF-U CC 0-1/2 300 3 1/2-4 1/2 500 6 1/2-7 3/4 1000 8 1/4-9 1/2 1500 9 3/4-11 1/4 2000 14 0-1 5 1-4 3/4 10 7-10 15 8-11 20
C7AF-Y(3) CC 0-1/2 300 1 1/4-2 1/2 600 5-6 1000 7-8 1/4 1500 9-10 1/2 2000 14 0-1 5 5-8 10 9 1/2-12 1/2 15 9 1/2-12 1/2 20
C7AF-Z CC 0-1/2 300 1 1/2-2 1/2 500 5 1/4-6 1/2 1000 8-9 1/2 1500 10 3/4-12 1/4 2000 14 0-1 5 5-8 10 9 1/2-12 15 9 1/2-12 1/2 20
C7DF-A C 2-3 500 7 1/4-8 1/4 1000 8 3/4-10 1300 11 1/2-12 3/4 1800 12 1/2-14 2000 19 0-1 5 3 1/2-5 1/2 10 4-7 15 4-7 20
C7DF-C C 1-2 500 7 1/2-8 1/2 1000 9-10 1300 10-11 1/2 1800 10 1/2-12 2000 19 0-1 1/2 5 7-10 10 9 1/2-12 1/2 15 9 1/2-12 1/2 20
C7DF-D C 5-5 3/4 700 7 3/4-8 3/4 1000 8 3/4-9 3/4 1200 10-11 1/4 1600 11 1/2-13 2000 19 0-1 1/2 5 5 1/2-10 10 9 1/2-12 1/2 15 9 1/2-12 1/2 20
C7DF-F C 0-1/2 300 1 1/2-2 3/4 600 5 3/4-6 3/4 1000 10-11 1/4 1500 12-14 2000 14 0-1 4 7-10 10 8-11 15 8-11 20
C7DF-G C 0-1/2 300 1/2-1 1/2 600 6 1/4-7 1/4 1000 10 3/4-12 1/4 1500 14-16 2000 16 0-1 7 5 1/2-9 10 7 1/2-10 1/2 15 7 1/2-10 1/2 20
C7DF-J C .................... .................... .................... .................... .................... .... .................... .................... .................... ....................
(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.
(3) When distributor reworked, set advance to C7AF-AG specifications.
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.
C7MF-A CC 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 14 0-1 5 2 1/2-6 10 7-10 15 8-11 20
C7MF-G CC 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 14 0-1 5 3 1/2-6 1/2 10 8-11 15 9 1/2-12 1/2 20
C7MF-H CC 0-1/2 300 2-3 500 6 3/4-7 3/4 1000 8 3/4-10 1500 10 3/4-12 1/4 2000 14 0-1 5 3 1/2-6 1/2 10 8-11 15 9 1/2-12 1/2 20
C7OF-A CC 0-1/2 400 4 3/4-5 3/4 800 7 1/2-8 1/2 1000 9 3/4-11 1500 12-13 3/4 2000 14 0-1 5 3 1/2-6 1/2 10 7 1/4-10 1/4 15 8-11 20
C7OF-B CC 0-1/2 300 2 3/4-3 3/4 500 7 3/4-8 3/4 1000 9-10 1/2 1500 10 1/2-12 2000 14 0-1 5 5-8 10 9 1/4-12 1/4 15 9 1/2-12 1/2 20
C7OF-D CC 0-1/2 300 3-4 600 8-9 1000 10 1/4-11 1/2 1500 12 1/2-14 2000 16 0-1 5 6-9 1/2 10 9 1/2-12 1/2 15 9 1/2-12 1/2 20
C7OF-E CC 0-1/2 300 3 1/4-4 1/4 600 8 1/2-9 3/4 1000 10 1/2-11 3/4 1500 12 1/4-13 3/4 2000 16 0-1 5 5-8 1/4 10 8 1/2-11 1/2 15 8 1/2-11 1/2 20
C7OF-F CC 0-1/2 300 2-3 500 9 1/2-10 1/2 1000 11 1/4-12 1/2 1500 13-14 1/2 2000 16 0-1 5 1-4 3/4 10 7-10 15 8-11 20
C7OF-H CC 0-1/2 300 3 1/4-4 1/2 500 6 1/4-7 1/2 1000 8-9 1/2 1500 9 3/4-11 1/4 2000 14 0-1 5 1-5 10 6-9 15 6-9 20
C7SF-A CC 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 14 0-3/4 5 1-4 3/4 10 7-10 15 9 1/2-12 1/2 20
C7SF-B CC 0-1/2 300 2-3 500 6 1/2-7 3/4 1000 8 3/4-10 1500 10 3/4-12 1/4 2000 16 0-3/4 5 1-4 3/4 10 7-10 15 9 1/2-12 1/2 20
C7SF-F CC 0-1/2 300 1-2 500 6 1/4-7 1/4 1000 8 1/4-9 1/2 1500 10 1/4-11 3/4 2000 14 0-1 5 1-5 10 7-10 15 9 1/2-12 1/2 20
C7TF-T CC 0-1/2 300 1 1/4-2 1/4 600 6 1/2-7 1/2 1000 8 1/2-9 3/4 1500 10 3/4-12 1/4 2000 14 0-1 5 2 1/2-5 1/2 10 4 1/2-7 1/2 15 4 1/2-7 1/2 20
C7VF-A CC 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 5 1-4 1/2 10 7-10 15 9 1/2-12 1/2 20
C7ZF-A CC 0-1/2 300 2 1/2-3 1/2 600 6 1/2-7 3/4 1000 7 1/2-8 3/4 1500 8 1/2-10 2000 11 0-1 5 3 1/2-6 3/4 10 7 1/4-10 1/4 15 8-11 20
C7ZF-C CC 0-1/2 300 3 1/4-4 1/4 500 10-11 1/4 1000 10 3/4-12 1500 11 1/4-12 3/4 2000 14 0-1 5 5-8 10 6 1/2-9 1/2 15 6 1/2-9 1/2 20
C7ZF-D CC 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 14 0-1 5 3-6 10 4 1/2-7 1/2 15 4 1/2-7 1/2 20
C7ZF-E CC 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 14 0-1 5 6 1/2-9 1/2 10 9 1/2-12 1/2 15 9 1/2-12 1/2 20
C7ZF-F CC 0-1/2 300 3-4 500 6 1/2-7 3/4 1000 7 3/4-9 1500 8 3/4-10 1/4 2000 13 0-1 5 6-9 10 9 1/2-12 1/2 15 9 1/2-12 1/2 20
C7ZF-G CC 0-1/2 300 2 1/2-3 1/2 600 8 1/2-9 1/2 1000 9 3/4-10 3/4 1500 10 3/4-12 1/4 2000 14 0-1/2 5 3-6 10 6-9 15 7 3/4-10 3/4(3) 20
C7ZF-H CC 0-1/2 300 1 3/4-2 3/4 600 10 1/4-11 1/4 1000 11-12 1500 11 1/2-13 2000 14 0-1 5 3-6 10 4 1/2-7 1/2 15 4 1/2-7 1/2 20
(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.
(3) 8-11 degrees at 25 In. Hg.
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