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Ford Motor Co. Distributor Advance And Retard Specifications

NOTE: FOR ENGINE RPM AND DEGREES, MULTIPLY SPECIFICATIONS BELOW BY 2.
Distributor Part No. Rot. (1) Automatic Advance (Distr. Degrees @ RPM) Vacuum Advance (Distr. Degrees) Operate Distr. @ 1000 RPM Vacuum Retard (Distr. Degrees) Operate Distr. @ 1000 RPM
500 750 1000 1500 2000 5 10 15 20 5 10 15 20
72IF-AHA CC 0-.5 1-3 5-7 7.25-9.25 9.5-11.5 0-1.5 4.25-7.25 4.25-7.25 4.25-7.25 0 0-1.5 3.5-7 5-7
731F-AHA CC 0-.5 1-3 5-7 7.25-9.25 9.5-11.5 0-1.5 4.25-7.25 4.25-7.25 4.25-7.25 0 0-1.5 3.5-7 5-7
73HF-AA C .5-2.5 5-7 6.5-8.5 9.25-11.25 12-14 0-2 5.5-7.5 5.5-7.5 5.5-7.5 ...... ...... ...... ......
73HF-BA C 0-1 1-3 3-5 7.5-9.5 12-14 0-2 5.5-7.5 5.5-7.5 5.5-7.5 ...... ...... ...... ......
73HF-GA C 0-.5 .5-2.5 2.5-4.5 5.5-7.5 9-11 0-2 5.5-7.5 5.5-7.5 5.5-7.5 ...... ...... ...... ......
D3OF-AA C 0-1.5 6.5-8.5 7-9 8-10.5 9-11.5 0-1.5 6.5-9 6.5-9 6.5-9 0-4 2-4 2-4 2-4
D3OF-BA C 0-1.5 4-6 4.5-6.5 6-8.25 7.25-10 0-1.5 6.5-9.25 6.5-9.25 6.5-9.25 0-3.5 2-4 2-4 2-4
D3OF-DA CC 0-1 0-1.5 4-6 7-9.5 8.5-11 0-1.25 2.5-5.25 2.5-5.25 2.5-5.25 0-2 3.5-7 5-7 5-7
D3OF-EA CC 0-1 0-1.5 4-6 7.25-9.5 8.25-11 0-2 2.5-5.25 2.5-5.25 2.5-5.25 0-4 2-4 2-4 2-4
D3OF-FA CC 0-1 0-1.5 1-3 5.5-8 10.5-13 0-3 2.5-5.25 2.5-5.25 2.5-5.25 0-3.5 4.5-7 5-7 5-7
D3OF-GA CC 0-1 0-1.5 1-3.5 6-8.5 11-13.5 0-3.5 2.5-5.25 2.5-5.25 2.5-5.25 ...... ...... ...... ......
D3OF-HA CC 0-1 0-2.5 2-4.5 5.5-8.5 9.5-12 0-.5 0-2 2.5-5.25 2.5-5.25 ...... ...... ...... ......
D3OF-JA CC 0-1.25 0-2.5 2-4.5 5.5-8.5 9.5-12 0-1.25 2.5-5.25 2.5-5.25 2.5-5.25 ...... ...... ...... ......
D3OF-LA C 0-1.5 4.5-6.5 6-8 8-10.5 9.25-12 0-1.5 6.5-9.25 6.5-9.25 6.5-9.25 0-3.5 2-4 2-4 2-4
D3OF-PA CC 0-1 0-2.5 2-4.5 6-8.5 9.5-12.5 0-1.5 2.5-5.25 2.5-5.25 2.5-5.25 0-4 2-4 2-4 2-4
D3OF-RA C 0-1.5 3.5-5.5 5.5-7.5 6.5-8.5 7.5-10 .5-3.5 6.5-9.5 6.5-9.5 6.5-9.5 0-3.5 2-4 2-4 2-4
D3AF-AA CC 0-1.5 4-6 6-8.25 10-12.5 14-16.5 0-2 6-9 9.5-12.5 10.5-13.25 ..... ...... ...... ......
D3AF-BA CC 0-1.5 3.5-5.5 5.5-7.5 8.5-11 12-14.5 0-1.5 4-7 8-11 10-13.25 ...... ...... ...... ......
D3BF-BA CC 0-1 2.5-4.5 6.5-8.5 8.5-11 9.5-12 0-1 0-1 5.5-8.5 8.5-11.25 0-3.5 4.5-7 5-7 5-7
D3DF-AA C 0-1.5 5-7 9-11 10.25-12.5 11.25-14 0-1 4.25-7.25 4.25-7.25 4.25-7.25 0-2 2-4 2-4 2-4
D3DF-BA C 0-1.5 4.5-6.5 7-9 9-11.5 11.5-14 0-1 4.5-7 8-11 10-13 ...... ...... ...... ......
D3MF-AA CC 0-1 3-6.5 6-8 8-10.5 10-12.5 0-1 2.5-5.5 6.5-9.5 6.5-9.5 0-4 5-7 5-7 5-7
D3MF-BA CC 0-1 0-1.5 3.5-5.5 7.5-10 8.5-11 0-1.25 2-5 4.5-7.25 4.5-7.25 ...... ...... ...... ......
D3MF-CA CC 0-1.5 4.5-6.5 6-8 8-10.5 10-12.5 0-1 2.5-5.5 6.5-9.5 6.5-9.5 0-4 5-7 5-7 5-7
D3MF-DA CC 0-1 1.5-4 5.5-7.5 7.5-9 8.25-10.5 0-1 1-4 5.5-8.5 8.5-11.25 ...... ...... ...... ......
D3MF-GA CC 0-1 0-2.25 1.5-3.5 4.5-7 8-10.5 .5-4.5 8-11 10.5-13.5 10.5-13.5 ...... ...... ...... ......
D3SF-BA CC 0-1 .5-2.5 5.5-8 10-12 11.25-13.5 0-1 1.5-4.5 5.5-9 8.5-11.25 ...... ...... ...... ......
D3UF-GA CC 0-1 0-2.5 2-4.5 5.5-8.5 9.5-12 0-1 0-2.5 2.5-5.25 2.5-5.25 0-3 2-4 2-4 2-4
D3VF-AA CC 0-1 0-1.5 3-5 4-6.25 5-7.5 0-2.25 5.5-8.5 8.5-11.25 8.5-11.25 ...... ...... ...... ......
D3VF-BA CC 0-1 0-2.5 5-7 7.5-10 10-12.25 0-1.5 4-7.25 4.5-7.25 4.5-7.25 ...... ...... ...... ......
D3VF-CA CC 0-1 0-1.5 4-6 6-8 7.25-10 0-1.25 5-8 8.5-11.25 8.5-11.25 ...... ...... ...... ......
D3ZF-CA CC 0-1.25 3.25-5.25 4.5-6.5 6.5-9 9-11.5 0-1.25 4.5-7.5 8.5-11.5 10.5-13.25 ...... ...... ...... ......
D3ZF-GA CC 0-1 0-2.5 2.25-4.25 5.5-7.5 8.25-11 0-1 2.25-5.25 6.5-9.5 9.5-12.5 ...... ...... ...... ......
(1) C (Clockwise). CC (Counterclockwise) viewed from rotor end.