Ok bought a car that's been sitting ahwile and I'm not sure if it has a solid roller or hydraulic. The valve lash needs adjustment so I took the valve cover off and loosened a rocker and looked at pushrod as well. Pushrod has is hollow I always thought big blocks didn't oil through pushrods. How do I know if I have a solid or hydraulic lifters and how to set them . This is a 440 and has comp push rods and comp roller rockers so probably a comp cam to
