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.
1969 Triumph Spitfire Not Available TransFACTORY OEM SERVICE PROCEDURE
Autolite Distributor Advance Specifications
NOTE:
FOR ENGINE RPM & DEGREES, MULTIPLY SPECIFICATIONS BELOW BY 2
1962-70 AUTOLITE DISTRIBUTOR ADVANCE SPECIFICATIONS
| Distributor Part No. (1) | Centrifugal Advance (Dist. Degrees & RPM) | Vacuum Advance (Dist. Degrees & In. of Hg.) | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deg. | RPM | Deg. | RPM | Deg. | RPM | Deg. | RPM | Deg. | In. Hg. | Deg. | In. Hg. | Deg. | In. Hg. | |||||
| C6AH-A | 0 | 500 | 4-6 | 900 | 8 1/2-10 | 1/2 1500 | 12 1/2-14 1/2 | 2000 | 0 | 5.0 | 6-8 | 10.0 | 9-11 | 15.0-20.0 | ||||
| C6AH-B | 0 | 600 | 4 1/2-6 1/2 | 1200 | 9-11 | 1800 | 12-14 | 2500 | 0 | 5.0 | 6 1/2-9 | 10.0 | 11-13 | 15.0-20.0 | ||||
| C6BH-C | 1/2-2 1/2 | 600 | 4 1/2-6 1/2 | 800 | 7 1/2-9 1/2 | 1200 | 8 1/2-10 1/2 | 2000 | 1/2-3 1/2 | 9.0 | 4 1/2 7 1/2 | 16.0 | 5-8 | 20.0 | ||||
| C7BH-D | 0-2 1/4 | 600 | 10-12 | 1300 | 16-18 | 2780 | 18 | Limit | 1-4 | 6.0 | 4 3/4-7 3/4 | 8.0 | 5 1/2-8 1/2 | 10.0 | ||||
| C7BH-K | 1/4-2 1/4 | 600 | 7-9 | 1075 | 10 1/2-12 1/2 | 3000 | 13 | Limit | 1-4 | 6.0 | 4 3/4-7 3/4 | 8.0 | 5 1/2-8 1/2 | 10.0 | ||||
| C8EH-G | 2-3 1/2 | 700 | 5-7 1/2 | 1000 | 13-15 1/2 | 2000 | 16-18 1/2 | 2500 | 0-7 | 5.5 | 7 1/2-11 | 7.0 | 10-13 | 9.0 | ||||
| 70AB-A.DA(2) | 0 ± 1/2 | 200-450 | 5 1/2-7 | 1/2 800 | 8.6-10.6 | 1500 | 13.2-15.2 | 2500 | 0 | 2.5 | 0-1 | 4.2 | 5-8 | 10.0 | ||||
| 70BB-A-A | 0 ± 1/2 | 200-450 | 10-12 | 1100 | 12 1/2-14 1/2 | 1900 | 16 1/4-18 1/4 | 3100 | 0-1 | 8.0 | 1 1/2-4 | 12.5 | 5 1/2-8 1/2 | 17.0 | ||||
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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.
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