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Home >> Plymouth >> 1984 >> Conquest Automatic >> Repair and Diagnosis >> Engine Performance >> System >> High Altitude Compensation System >> Operation >> CARBURETED Models

CARBURETED Models

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At high altitudes, the control valve is opened by the aneroid bellows of the HAC to allow air to bleed through the valve into the primary main well. At low altitudes, the control valve remains closed and no additional bleed air flows to main well.