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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.
C5OF-E CC 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 14 ................ ............ ............ ............
C7AF-E CC 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 14 0-1 5 3/2-6 1/4 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 1/4 1000 6 1/4-8 1500 8 1/4-10 1/4 2000 14 0-3/4 5 1-4 1/2 10 7-10 15 9 1/2-12 1/2 20
C7AF-U CC 0-1 375 5 3/4-1/4 550 7 1/2-8 1/4 1300 .................... 9 3/4-11 1/4 2000 14 0-1/2 8 0-4 9.5 4 1/4-7 1/4 12 11-18 16.4
C7AF-AA CC 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 14 0-1 5 4 1/4-7 10 8 1/2-11 1/2 15 8 1/2-11 1/2 20
C7AF-AC CC 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 14 0-1 5 1-5 10 7-10 15 9 1/2-12 1/2 25
C7AF-AD CC 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 14 0-1 5 5-8 10 9 1/2-12 1/2 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 1/4 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
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 63/4-7 3/4 1000 8 3/4-10 1500 10 3/4-12 1/4 2000 14 0-1 5 3/2-6/2 10 8-11 15  
C7OF-A CC 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 14 0-1 5 3 1/2-6 1/2 10 7 1/4-10 1/4 15 8-11 17
C7OF-B CC 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 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-F CC 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 16 0-1 5 1-4 3/4 10 7-10 15 8-11 20
C7OF-G CC ................ ................ ................ ................ ................ ... .............. ................ ................ ................
C7OF-H CC 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 14 0-1 5 1-5 10 6-9 15 6-9 13.8
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 1-4 3/4 10 7-10 15 9 1/2-12/2 20
C7SF-B CC 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 16 0-3/4 5 1-4 3/4 10 7-10 15 9 1/2-12 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 6/2-7 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-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 0-1 390 6 1/2 600 7 3/4 1200 .................... 8 3/4-10 1/4 2000 14 0-3 5.8 6 1/4-9 1/4 10 ................ 9 1/2-12 1/2 14.5
C8AF-A C 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 5 1-3 3/4 10 5 1/2-8 15 5 1/2-8 25
C8AF-B C 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 11 0-1 5 3-6 10 6 1/2-9 15 6 1/2-9 25
C8AF-E CC 0-1/2 350 0-1 3/4 500 6-8 1/4 1000 8-10 1/4 1500 10-12 1/2 2000 14 0-3/4 5 0-3 10 5 1/2-8 1/2 15 8 1/2-11 25
C8AF-J CC 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 14 0-1 5 1-5 10 7-10 1/4 15 10-12 1/2 25
C8AF-M CC 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 11 0-1 5 4-6 3/4 10 9 1/4-12 1/4 15 10-12 1/2 25
C8AF-R CC 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 14 0-3/4 5 1-4 3/4 10 6 3/4-9 3/4 15 10-12 1/2 25
C8AF-S CC 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 14 0-1 5 3 1/4-6 1/4 10 8-11 15 10-12 1/2 25
C8AF-T CC 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 14 0-3/4 5 1-4 3/4 10 6 3/4-10 15 10-12 1/2 25
C8AF-Y CC 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 14 0-3/4 5 1-4 3/4 10 7-10 15 9 1/2-12 1/2 20
C8DF-A C 0-1/2 350 0-2 500 6 1/4-8 1/4 1000 8 3/4-11 1500 10 1/2-13 2000 14 0-1 5 3-6 10 5 1/2-8 15 5 1/2-8 25
C8DF-B C 0-1/2 350 1-3 750 3 3/4-5 3/4 1000 8 1/2-10 1/2 1500 12-14 2000 14 0-3 5 6-9 10 7-9 1/2 15 7-9 1/2 25
C8DF-C 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 14 0-1 5 6 3/4-9 1/2 10 10-12 1/2 15 10-12 1/2 25
C8DF-D C 0-1/2 350 0-1 1/4 500 4 3/4-6 3/4 1000 9-11 1/4 1500 12-14 2000 14 0-1 5 6 1/2-9 1/2 10 8 1/2-11 15 8 1/2-11 25
C8OF-C CC 0-1/2 350 0-1 3/4 500 6-8 1/4 1000 8-10 1/4 1500 10-12 1/2 2000 14 0-1 5 2-5 10 5 3/4-8 3/4 15 9-11 1/2 25
C8OF-D CC 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 16 0-3/4 5 1 3/4-4 3/4 10 6 3/4-9 1/2 15 7-9 1/2 25
C8TF-F CC 0-1/2 350 0-1/2 500 3 1/2-5 1/2 1000 7-9 1500 8 3/4-11 2000 11 0-1 5 2-5 10 5 3/4-8 3/4 15 9-11 1/2 25
C8VF-A CC 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 14 0-1 5 1-4 10 6-9 15 9 1/2-12 25
C8VF-C CC ................ ................ ................ ................ ................ ... .............. ................ ................ ................
C8VF-F CC 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 14 0-1 5 1-4 10 6-9 15 9 1/2-12 25
C8VF-G CC 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 11 0-1 5 1/2-4 1/4 10 8 1/2-11 1/2 15 9 1/2-12 20
C8WF-A C 0 500 4-6 800 9 3/4-12 2000 .................... 12 2000 16 0 1 0-4 9.5 7-10 15 ................
C8WF-B CC 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 14 0-3/4 5 1-4 3/4 10 7-10 15 10-12 1/2 25
C8ZF-A CC 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 11 0-1 5 4 3/4-8 10 8-10 1/2 15 8-10 1/2 25
C8ZF-B CC ................ ................ ................ ................ ................ ... .............. ................ ................ ................
C8ZF-D CC 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 11 0-3/4 5 1-4 10 5 1/2-8 1/2 15 6/2-9 25
(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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