To check the preload on the lifters, I went to the Crane web site for
instructions. Assuming I selected the correct instructions, they imply I will torque the nut mounting the rocker arm until it forces the pushrod to fully compress the lifter and then a little bit more. I take this to mean that the rocker will be tight against the valve stem and the pushrod even when the lifter is on the flat of the cam. BUT, most of the rockers on my engine can be wiggled easily when the cam lobe is not pushing on them. The rocker arm mounting nuts seem to be properly torqued, but the rockers are looser than I would expect. Am I interpreting this wrongly, or should I be looking at adjusting all my preloads?