Upon having the correct lenght push rod installed - when the lifter of the valve you are adjusting is on its base circle, turn the adjusting screw until you feel a very slight drag on the pushrod as you rotate it . One complete rotation of the adjusting screw = .040" so once you have a slight drag on the pushrod as you rotate it (this being zero) then pre-load .030 - 0.040" .
Do each one and your good to go. Double check jam nuts for tightness for insurance sake.
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