1975-76 Models
- Remove rubber bellows between airflow sensor and throttle valve housing. Loosen lock nut on valve screw and turn adjustment screw the number of turns specified on adjustment graph. See Figure.
- For example, testing valve determines time as 3 seconds. Consult graph and trace across 3 second line until it intersects curve and read off horizontal adjustment value, in this case, 1 1/3 turns clockwise. Turn adjustment screw 1 1/3 turns clockwise. After adjustment, reinstall rubber bellows and recheck valve using test procedure.