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.
1972 Triumph Spitfire Not Available TransFACTORY OEM SERVICE PROCEDURE
Delco Distributor Advance Specifications
NOTE:
FOR ENGINE RPM & DEGREES, MULTIPLY SPECIFICATIONS BELOW BY 2.
DELCO DISTRIBUTOR ADVANCE SPECIFICATIONS
| Distributor Part No. | 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. | |||||||
| 7953460 | 0-1 | 400 | 7-9 | 1100 | 9-11 | 1500 | 13 | 2500 | 1-3 | 6.2 | 5.5 | 10.7 | 7.5 | 20.0 | ||||||
| 7953870 | 0-1 | 500 | 5-7 | 1000 | 9 | 1500 | 13 | 2500 | 0-2 | 5.9 | 6-7 | 15.8 | 6-8 | 19.6 | ||||||
| 7953871 | 0-.5 | 500 | 5-7 | 1000 | 8-11 | 1750 | 11-14 | 2500 | 2(1) | 5.9 | 7(2) | 13.8 | 8(3) | 17.7 | ||||||
| 7953977 | 0-1 | 500 | 3-5 | 1000 | 6-8 | 1500 | 8-11 | 2500 | 5-7 | 3.9 | 6-7 | 7.8 | 6-7 | 11.8 | ||||||
| 7953944 | 0-1 | 300 | 10-12 | 1000 | 12-14 | 1600 | 14-16 | 2100 | .... | .... | .... | .... | .... | .... | ||||||
| 7992115 | 0-1 | 400 | 3-5 | 750 | 6-8 | 1600 | 9-11 | 2400 | .... | .... | .... | .... | .... | .... | ||||||
| 7992128 | 0-1 | 400 | 4-6 | 750 | 5-7 | 1250 | 10 | 2500 | 0.84 | 5.0 | 3-5 | 10.0 | 6 | 20.0 | ||||||
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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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