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Home >> Chevrolet >> 1986 >> Cavalier CS, 2D Hatchback, 2.8 W, Standard >> Repair and Diagnosis >> Engine Performance >> Ignition System - HEI-Est >> Adjustments

Ignition System - HEI-Est: Adjustments

The only adjustments that can be made to the HEI (EST) ignition system are basic ignition timing and spark plug gap.

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