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Chevrolet
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1990
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Caprice Base, 5.7 7
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Basic Testing
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Basic Ignition System Checks
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HEI-Est Distributor
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Notes
HEI-Est Distributor: Notes
NOTE:
The only adjustments that can be made to HEI/EST ignition system are basic ignition timing and spark plug gap.