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 MANUALSCHEVROLET1971IMPALA 2D CONVERTIBLE, 5.7L ENG, AUTOMATIC TRANS, TRANS MFR CD THM350REPAIR AND DIAGNOSISENGINE PERFORMANCETUNE-UPDISTRIBUTOR SPECIFICATIONSCHRYSLER & PRESTOLITE DISTRIBUTOR ADVANCE SPECIFICATIONSNOTES
1971 Chevrolet Impala 2D Convertible, 5.7L Eng, Automatic Trans, Trans Mfr CD THM350
CHRYSLER & PRESTOLITE Distributor Advance Specifications: Notes
1971 Chevrolet Impala 2D Convertible, 5.7L Eng, Automatic Trans, Trans Mfr CD THM350SECTION Notes
NOTE:
FOR ENGINE RPM AND DEGREES, MULTIPLY SPECIFICATIONS BELOW BY 2.
| Distributor Part No. | Rot. (1) | Automatic Advance (Distr. Degrees & RPM) | Vacuum Advance (Distr. Degrees & Inches of Hg.) | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deg. | RPM | Deg. | RPM | Deg. | RPM | Deg. | In. Hg. | Deg. | In. Hg. | ||||||||||||
| 2875822 | C | 1-5 | 550 | 9.2-1 1.2 | 900 | 12-14 | 2000 | .5-3.5 | 10 | 5.25-7.75 | 15 | ||||||||||
| 2875826 | C | 1-5 | 550 | 9.2-1 1.2 | 900 | 12-14 | 2000 | .5-3.5 | 7 | 5.25-7.75 | 10 | ||||||||||
| 2875987(2) | CC | 0-4.5 | 650 | 12.2-14.2 | 1050 | 14-16 | 1600 | 0-3.5 | 9 | 6.7-9.2 | 13.5 | ||||||||||
| 3438225 | C | 1-6 | 550 | 8.5-10.5 | 800 | 14-16 | 2100 | 1.25-4.25 | 12 | 8.25-10.75 | 15 | ||||||||||
| 3438255 | C | 1-6 | 550 | 8.5-10.5 | 800 | 14-16 | 2100 | 1-4 | 10.5 | 8.25-10.75 | 15 | ||||||||||
| 3438422 | C | 1-6 | 550 | 8.5-10.5 | 800 | 14-16 | 2100 | 1-4 | 9.5 | 8-10.5 | 15 | ||||||||||
| 3438440 | C | .5-3.5 | 800 | 8-10.5 | 1200 | 12-14 | 2200 | .5-3.5 | 10 | 5.25-7.75 | 15 | ||||||||||
| 3438442 | C | .5-3.5 | 800 | 8-10.5 | 1200 | 12-14 | 2200 | .5-3.5 | 7 | 5.25-7.75 | 10 | ||||||||||
| 3438453 | C | 0-4 | 600 | 8-10.5 | 1000 | 14-16 | 2100 | 1-4 | 9.5 | 8-10.5 | 15 | ||||||||||
| 3438509 | C | 1-6.5 | 550 | 8-10 | 750 | 12-14 | 2000 | .5-3 | 7 | 6-8.5 | 11 | ||||||||||
| 3438517 | C | .5-4 | 600 | 9.5-12 | 1000 | 10-12 | 2100 | .5-3.5 | 9 | 7-10 | 12.5 | ||||||||||
| 3438522 | C | .5-4 | 650 | 5.5-8.5 | 850 | 10-12 | 2000 | .5-3.5 | 7 | 7-10 | 11 | ||||||||||
| 3438524 | C | 2-6 | 700 | 8.5-10.5 | 900 | 12-14 | 2000 | .5-3.5 | 7 | 5.25-7.75 | 10 | ||||||||||
| 3438534 | CC | 1-4.5 | 600 | 5-7 | 800 | 12-14 | 2000 | 1-3.5 | 9 | 8-10 | 15 | ||||||||||
| 3438544 | CC | .5-3.5 | 700 | 5-7.5 | 900 | 12-14 | 2000 | 1-3.5 | 9 | 8-10 | 15 | ||||||||||
| 3438559 | CC | .5-3.5 | 700 | 3.5--5.5 | 900 | 10-12 | 2400 | 1-4.5 | 12 | 8-10 | 16 | ||||||||||
| 3438572 | CC | 0-3.5 | 600 | 4.5-6.5 | 800 | 8-10 | 2200 | .5-4.3 | 10.5 | 9.7-12 | 15.5 | ||||||||||
| 3438577 | CC | 1-3 | 700 | 4.5--6.5 | 950 | 4.5--6.5 | 2200 | 1-4 | 10.5 | 7.5 - 10 | 15 | ||||||||||
| 3438579 (3) | CC | 0-4 | 600 | 9.5-12.5 | 1250 | 13-15 | 1600 | 0-3.5 | 9 | 6.7-9.2 | 13.5 | ||||||||||
| 3438615 (4) | C | .5-4 | 700 | 9-11 | 1100 | 13-15 | 2200 | .5-3.5 | 7 | 7-10 | 11 | ||||||||||
| 3438617 (5) | C | .5-4 | 700 | 9-11 | 1100 | 13-15 | 2200 | .5-3.5 | 9 | 7-10 | 12.5 | ||||||||||
| 3438690 | CC | .5-3.5 | 650 | 6-8 | 900 | 12-14 | 2400 | 1-4 | 10.5 | 8-10 | 15 | ||||||||||
| 3438694 | CC | .5-4 | 700 | 5-7 | 900 | 8-10 | 2200 | .5-4.3 | 10.5 | 9.7-12 | 15.5 | ||||||||||
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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.