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Home >> GMC >> 1982 >> Magnavan Standard Trans >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> ROCHESTER Models M4MC & M4ME 4-Barrel >> Adjustment >> Secondary Opening Linkage

Secondary Opening Linkage

  1. Open primary throttle valves until secondary throttle link just contacts tang on secondary throttle lever.
  2. Link should be centered in slot of secondary throttle lever. To adjust, bend tang on secondary throttle lever. See Fig 1.
    Fig 1: Secondary Throttle Opening Linkage Adjustment
    G09360554Courtesy of GENERAL MOTORS COMPANY

    Secondary throttle link should just contact tang on secondary throttle lever.