I maintain that you may have adjusted you lifters wrong not that you did but may have. In my above post I suggested that you took the hydraulic to tight therefore ajusting the lifters with a bottomed out plunger. Now finding that you have solid lifters I maintain that you may have adjusted them to 0 lash + one turn which is not the way to do it. With the lifter on the base circle of the cam the intakes need .010 clearance HOT and the exhaust need .018 clearance hot.