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Home >> GMC >> 1989 >> Forward Control 6.2 J, Automatic, 400/M40 >> Repair and Diagnosis >> Engine Performance >> Adjustment >> Tune-Up - V8 >> Adjustments >> Ignition System >> Distributor
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Ignition System: Distributor

Engines are equipped with a Delco-Remy HEI solid state distributor. No adjustments are necessary.

Fig 1: Firing Order & Distributor Rotation
G8359
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