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.
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HOMESERVICE MANUALSCHEVROLET1973G30 VAN BASE, 7.4L ENG VIN ZREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEIGNITION SYSTEMDISTRIBUTOR SPECIFICATIONSDELCO-REMY DISTRIBUTOR ADVANCE SPECIFICATIONS
1973 Chevrolet G30 Van Base, 7.4L Eng VIN Z
DELCO-REMY Distributor Advance Specifications
1973 Chevrolet G30 Van Base, 7.4L Eng VIN ZSECTION DELCO-REMY Distributor Advance 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. Deg. & In. of Hg.) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deg. | RPM | Deg. | RPM | Deg. | RPM | Deg. | In. Hg. | Deg. | In. Hg. | ||||
| 1110496 | C | 0 | 800 | 2.5 | 1000 | 11 | 2400 | 0 | 7 | 12 | 15 | ||
| 1110499 | C | 0 | 450 | 7 | 1150 | 12 | 2050 | 0 | 6-8 | 6 | 14.5-15.5 | ||
| 1110522 | C | 0-2.5 | 500 | 9-11 | 1500 | 12-14 | 2200 | 0 | 5-7 | 6.25-9 | 12.5-13.25 | ||
| 1110523 | C | 0-1 | 550 | 9-11 | 1500 | 13-15 | 2200 | 0 | 5-7 | 6.25-9 | 12.5-13.25 | ||
| 1112016 | C | 0 | 350-525 | 4.5-6.5 | 900 | 10-12 | 2300 | 0 | 6-8 | 7-9 | 16 | ||
| 1112093 | C | 0 | 550 | 3 | 900 | 9 | 2100 | 0 | 6 | 7.5 | 14 | ||
| 1112094 | C | 0 | 550 | 3 | 1200 | 7 | 2100 | 0 | 6 | 7.5 | 14 | ||
| 1112098 | C | 0 | 550 | 3 | 1200 | 7 | 2100 | 0 | 6 | 7.5 | 14 | ||
| 1112102 | C | 0 | 500 | 5 | 1050 | 10 | 2100 | 0 | 6 | 7.5 | 12 | ||
| 1112109 | C | 0 | 375-525 | 5.5-7.5 | 900 | 7-9 | 1450 | 0 | 6-8 | 7-9 | 16 | ||
| 1112110 | C | 0 | 375-525 | 6-8 | 1050 | 8-10 | 1500 | 0 | 6.5-8.5 | 7-9.5 | 13 | ||
| 1112112 | C | 0-1.5 | 500 | 7.5-9.5 | 1000 | 12-14 | 2000 | 0 | 5-7 | 6.25-8.25 | 11.5-12.5 | ||
| 1112113 | C | 0 | 550 | 5.5 | 1200 | 9 | 2100 | 0 | 6 | 10 | 15 | ||
| 1112114 | C | 0 | 550 | 5.5 | 1200 | 9 | 2100 | 0 | 6 | 10 | 15 | ||
| 1112148 | C | 0 | 600 | 6 | 1100 | 10 | 2500 | 0 | 6 | 7.5 | 12 | ||
| 1112150 | C | 0 | 600 | 6 | 1100 | 10 | 2500 | 0 | 6 | 7.5 | 12 | ||
| 1112166 | C | 0 | 500 | 5 | 1300 | 10 | 2100 | 0 | 8 | 7.5 | 15.5 | ||
| 1112168 | C | 0 | 500 | 5 | 1100 | 10 | 2100 | 0 | 4 | 7.5 | 7 | ||
| 1112179 | C | 0-1 | 400 | 8-9.75 | 1000 | 15-17 | 2200 | 0 | 5-7 | 6-8 | 11.5-12.5 | ||
| 1112191 | CC | 0 | 575 | 3-8 | 850 | 9 | 1950 | 0 | 10 | 12.5 | 16 | ||
| 1112195 | CC | 0-2 | 400 | 8-10 | 1050 | 14-16 | 2000 | 0 | 5-7 | 8 | 10-12 | ||
| 1112197 | CC | 0-2 | 540 | 5-7 | 1000 | 9-11 | 1800 | 0 | 7-9 | 9 | 15-16.5 | ||
| 1112198 | CC | 0-2 | 575 | 3.5-5.5 | 1000 | 7-9 | 1700 | 0 | 7-9 | 9 | 12-14 | ||
| 1112199 | CC | 0 | 610 | 4 | 790 | 12 | 1875 | 0 | 8 | 12.5 | 15 | ||
| 1112201 | CC | 0 | 600 | 6.5 | 1065 | 12 | 1790 | 0 | 7 | 12.5 | 12 | ||
| 1112202 | CC | 0 | 700 | 8 | 1050 | 13 | 1725 | 0 | 7 | 12.5 | 12 | ||
| 1112203 | CC | 0 | 600 | 4 | 750 | 9 | 2000 | 0 | 10 | 12.5 | 16 | ||
| 1112205 | CC | 0 | 600 | 5 | 850 | 11 | 2300 | 0 | 8-10 | 12.5 | 14 | ||
| 1112214 | C | 0-2.25 | 450 | 11-13 | 1500 | 15-17 | 2200 | 0 | 4-6 | 6.75-8.25 | 11.5-13 | ||
| 1112215 | C | 0-3.25 | 400 | 9.5-11.5 | 1500 | 14-16 | 2300 | 0 | 4-6 | 6.75-8.25 | 12-13 | ||
| 1112216 | CC | 0 | 600 | 6.5 | 1065 | 12 | 1790 | 0 | 3 | 10 | 9.6 | ||
| 1112218 | CC | 0 | 600 | 8.5 | 950 | 10 | 1650 | 0 | 6 | 10 | 12 | ||
| 1112220 | CC | 0 | 575 | 3.8 | 850 | 9 | 1950 | 0 | 5 | 12.5 | 11 | ||
| 1112222 | CC | 0-2 | 485 | 8-11 | 1000 | 14-16 | 2000 | 0 | 5-7 | 8 | 10-12 | ||
| 1112224 | CC | 0 | 610 | 4 | 790 | 12 | 1875 | 0 | 5 | 12.5 | 11 | ||
| 1112225 | CC | 5-7 | 550 | 11-13 | 1050 | 17-19 | 2000 | 0 | 5-7 | 8 | 10-12 | ||
| 1112226 | CC | 0-2 | 400 | 8-10 | 1050 | 14-16 | 2000 | 0 | 3.5-4.5 | 10 | 12-13 | ||
| 1112227 | C | 0 | 500 | 6 | 1100 | 12 | 2150 | 0 | 6 | 7.5 | 12 | ||
| 1112229 | C | 0-2 | 500 | 6-8 | 1200 | 11-13 | 2000 | 0 | 5-7 | 11.25-12.75 | 14 | ||
| 1112230 | C | 0 | 500 | 5 | 1300 | 10 | 2100 | 0 | 4 | 5 | 5.8 | ||
| 1112231 | CC | 0 | 600 | 5 | 850 | 11 | 2300 | 0 | 9 | 12.5 | 14 | ||
| 1112232 | CC | 0 | 600 | 5 | 850 | 11 | 2300 | 0 | 5 | 12.5 | 11 | ||
| 1112233 | CC | 0 | 600 | 5 | 850 | 11 | 2300 | 0 | 9 | 12.5 | 14 | ||
| 1112507 | CC | 0 | 600 | 4 | 750 | 9 | 2000 | 0 | 5 | 12.5 | 11 | ||
| 1112510 | CC | 0 | 500 | 4 | 700 | 12 | 1900 | 0 | 7 | 12.5 | 12 | ||
| 1112511 | CC | 0 | 500 | 4 | 700 | 12 | 1900 | 0 | 8 | 12.5 | 15 | ||
| 1112804 | CC | 0 | 600 | 6.5 | 1065 | 12 | 1790 | 0 | 6-8 | 10 | 14 | ||
| 1112805 | CC | 0 | 615 | 4 | 790 | 12 | 1875 | 0 | 8-10 | 10 | 16 | ||
| 1112806 | CC | 0 | 700 | 8 | 1050 | 13 | 1725 | 0 | 6-8 | 10 | 14 | ||
| 1112806 | CC | 0 | 575 | 3.8 | 850 | 9 | 1950 | 0 | 8-10 | 10 | 16 | ||
| 1112808 | CC | 0 | 600 | 6.5 | 1065 | 12 | 1790 | 0 | 4-6 | 12.5 | 11 | ||
| 1112809 | CC | 0 | 615 | 4 | 790 | 12 | 1875 | 0 | 6-8 | 12.5 | 12 | ||
| 1112810 | CC | 0 | 600 | 4 | 750 | 9 | 2000 | 0 | 8-10 | 10 | 16 | ||
| 1112811 | CC | 0 | 575 | 3.8 | 850 | 9 | 1950 | 0 | 6-8 | 12.5 | 12 | ||
| 1112812 | CC | 0 | 600 | 5 | 850 | 11 | 2300 | 0 | 8-10 | 10 | 16 | ||
| 1112913 | CC | 0 | 600 | 5 | 850 | 11 | 2300 | 0 | 8-10 | 10 | 16 | ||
| 1112914 | CC | 0 | 600 | 5 | 850 | 11 | 2300 | 0 | 6-8 | 12.4 | 12 | ||
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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.