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Buick
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1980
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Regal Base, 4.3L Eng VIN S
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Engine Performance
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Ignition System
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Electronic Spark Control & Electronic Module Retard Ignition System
Electronic Spark Control & Electronic Module Retard Ignition System
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Description
Operation
Testing
Notes
Electronic Module Retard
Without C4 System
With C4 System
Electronic Spark Control
Engine Detonation
Poor Engine Performance
Engine Cranks But Does Not Start