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Mercury
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1983
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Zephyr Base, 3.3 X
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Repair and Diagnosis
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Engine Performance
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Adjustment
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Tune-Up - 6-CYL
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Adjustments
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Distributor
Tune-Up - 6-CYL: Adjustments: Distributor
All models are equipped with Dura Spark II ignition system and no adjustments are required.
Fig 1: 3.3L Firing Order & Timing Marks