1968 Buick Wildcat CustomFACTORY OEM SERVICE PROCEDURE

Ford Motor Co. LOADOMATIC Distributor Advance Specifications

NOTE: FOR ENGINE RPM AND DEGREES, MULTIPLY SPECIFICATIONS BELOW BY 2.
Distributor Part No. (1) Rot. (2) Distributor Advance (Distributor Degrees & RPM)
Degs. Vacuum RPM Degs. Vacuum RPM Degs. Vacuum RPM Degs. Vacuum RPM Max. Adv.
C5DF-C (3) C 0-1 .5 625 5 1/4 1.3 1000 9 1/2 3 1600 11 1/2 3.9 2000 11 1/2
(4)   13 1/2 5 500 13 3/4 6 800 13 3/4 6.3 1200 14 5.6 1600 14
C5DF-E (3) C 0-10 .3 550 7 3/4-8 3/4 6 1100 ........................................ 5 1/2-12 3.8 2000 12
(4)   14-15 7.9 900 .............................. ............................................ 12 3/4 7 1600 12
C5DF-K (3) C 0-1 .44 712 3 3/4-4 3/4 1.9 1200 ........................................ 7-8 1/4 3.8 2000 8 1/4
(4)   11-12 7.9 1100 .............................. ............................................ 12-15 1/2 7 1600 15 1/2
C6AF-Y (3) C 0-1 .72 740 5 2.1 1200 ........................................ 10 4.8 2000 10
(4)   10 1/2 6.5 600 12 7 900 ........................................ 10 1/4 5 1600 10 1/4
C6TF-A (3)   0-1 .55 550 63/4 1.6 1000 10 3.3 1500 12 4.9 2000 12
(4)   11 1/2 5.5 600 13 1/4 6.9 900 12 6.7 1400 13 6 1700 13
C6TF-AC C 4 1/2-5 1/2 1.20 800 7 1/2-8 3/4 2.10 1200 9 1/4-101/2 3.70 1600 10 1/4-11/3/4 4.90 2000 14
C7OF-K CC 3 3/4-5 1/4 ........ 750 7 1/4-9 1/4 ......... 1000 9 1/4-10 1/2 ........ 1500 9-11 1/2 ........ 2000 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.
(3) Wide open throttle vacuum advance.
(4) Part throttle vacuum advance.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.