Cam Lobe Lift
With valve cover removed, remove rocker arm. Mount dial indicator on rocker arm stud and position dial indicator stem on push rod using a suitable ball adapter (J-8520). Rotate engine. slowly in direction of rotation until lifter is on heel of camshaft and set dial indicator to zero. Rotate engine until push rod is fully raised. This is camshaft lobe lift. Continue to rotate engine until indicator reads zero. This will check accuracy of original reading. See Fig 1.