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Home >> Mercury >> 1993 >> Grand Marquis V8-281 4.6L SOHC >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Tune-up and Engine Performance Checks >> Ignition Timing >> Adjustments

Ignition Timing: Adjustments

INITIAL TIMING

Initial timing is preset at 10° plus or minus 2° BTDC and is not adjustable.
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