Difference between lobe lift and pushrod lift

The only place you will get true lift is on the end of a solid lifter.Your statement is true in theory,and when measured.A hydralic lifter can never give true lift 100% of the time due to oil viscosity change and grade.Only the solid lifter gives you the excact amount of the cam lobe.A push rod in any motor does not sit true to the geometry of the lifter and thus can not give you the full lift as the lifter due to the angle that it intersects with the rocker arm and side to side movement and the bending of the push rod for high tension springs.Only with solid lifters can you come some what closer to this zero lose or by running a over head cam and rocker set up can you acheive this,as you no longer have the components running at the wrong angles and reatings lose of lift.How you should state your questions is this:How much difference is there between static lift and dynamic lift?When I worked for Ray Barton racing engines we would go throught this daily,and the conversation between me and comp cams,crane,and others where,lets say,interesting.Mrmopartech