Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSCHEVROLET1966IMPALA BASE, 2D CONVERTIBLE, 7.0L ENG, STANDARD TRANS, TRANS MFR CD T-10CREPAIR AND DIAGNOSISENGINE PERFORMANCEIGNITION SYSTEMDISTRIBUTOR SPECIFICATIONSFORD MOTOR CO. DUAL ADVANCE DISTRIBUTOR ADVANCE SPECIFICATIONS
1966 Chevrolet Impala Base, 2D Convertible, 7.0L Eng, Standard Trans, Trans Mfr CD T-10C
Ford Motor Co. Dual Advance Distributor Advance Specifications
1966 Chevrolet Impala Base, 2D Convertible, 7.0L Eng, Standard Trans, Trans Mfr CD T-10CSECTION 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 | ||||||
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| 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 | ............ | .... | ||||
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.