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Home >> Chevy Truck >> 1993 >> Suburban 3/4 Ton 2WD V8-454 7.4L >> Repair and Diagnosis >> Maintenance >> Tune-up and Engine Performance Checks >> Ignition Timing >> Specifications

Ignition Timing: Specifications

Base Timing 4° BTDC (Manual Trans)

Base Timing 4° BTDC (Auto Trans)

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