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 MANUALSBUICK1978RIVIERA 5.7L ENG VIN RREPAIR AND DIAGNOSISENGINE PERFORMANCETUNE-UPDISTRIBUTOR SPECIFICATIONSBOSCH DISTRIBUTOR ADVANCE SPECIFICATIONS
1978 Buick Riviera 5.7L Eng VIN R
BOSCH Distributor Advance Specifications
1978 Buick Riviera 5.7L Eng VIN RSECTION BOSCH Distributor Advance Specifications
NOTE:
FOR DISTRIBUTOR RPM & DEGREES, DIVIDE SPECIFICATIONS BY 2
| Distributor Part No. | Rot(1) | Centrifugal Advance (Engine RPM & Degrees) | Vacuum Advance (Engine Deg. & In. of Hg.) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deg. | RPM | Deg. | RPM | Deg. | RPM | Deg. | In. Hg. | Deg. | In. Hg. | ||||
| 3250163 | C | 0 | 1050 | 17-22 | 2400 | 29-34 | 4400 | 0 | 2-4 | 14-18 | 9 1/2-11 | ||
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RENDER: 1.0x
NO RELATED
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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.