Operation CHARM
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Ford
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1991
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F 150 4WD Pickup V8-302 5.0L
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Ignition Timing
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Specifications
Ignition Timing: Specifications
Initial Timing
10 degrees before top dead center
NOTE:
Initial timing is measured with engine at normal operating temperature and Spark Output
(SPOUT)
connector disconnected or shorting bar removed.