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Home >> Honda >> 1981 >> Accord Base, 2D Hatchback, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Ignition Timing Control System >> Description & Operation >> Civic 1500 (Federal Man. Trans. Only)

Civic 1500 (Federal Man. Trans. Only)

This system gives vacuum advance in response to manifold vacuum from the carburetor insulator block.