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4 Cylinder Models (1972)

  1. Disconnect electrical connection at idle stop solenoid. With solenoid de-energized, adjust idle speed screw on low step of cam to obtain low idle speed RPM as specified.
  2. Make sure dwell and timing are correct. Reconnect solenoid, open throttle momentarily and adjust solenoid plunger screw to obtain specified curb idle speed RPM with solenoid energized.
4 Cylinder Curb Idle Specifications

Application Low Idle Speed RPM Curb Idle Speed RPM
1-Bbl. Carburetor
  Auto. Trans. 550 (1)700
Man. Trans. (1)550 (2) 850
2-Bbl. Carburetor
  Auto. Trans. 550 700
Man. Trans. (1)700 1200
(1) 800 RPM with air conditioner.
(2) 1200 RPM on California vehicles.