GM Buick/Oldsmobile/Pontiac/Full-Size 1975-1990 Repair Guide

Adjustments

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All Buick, Olds and Pontiac models covered in this guide are equipped with electronic ignition systems using the HEI (High Energy Ignition) distributors. Dwell angle is permanently set on these units, requiring no adjustment or checking. There are no ignition points or other electro-mechanical parts to service.

 
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