I HAVE COMP CAM BLOWER CAM. 575 LIFT, 223 DURATION. EDELBROCK CARB , WIEAND INTAKE, E7T HEADS FULLY PORTED POLISHED AND GASKET MATCHED WITH COMP CAMS 986-16 DOUBLE SPRINGS AND NEW STAINLESS SWIRL VALVES. I INSTALLED FORD RACING PEDESTAL MOUNT 1.6 ROLLER ROCKERS.,FORD RACING PUSHRODS FOR THE ROLLER ROCKERS. GOT ANYWHER FROM 1/2 TO 3/4 OF A TURN ON ALL WHEN TOURQEING THEM DOWN WITCH BY MY INSTRUCTIONS SHOULD SET THEM BETWEEN .20 AND .60 THOUSANDTHS OF PRELOAD. THEY ARE NOISY!!!!!!!! RUNS GREAT BUT ALOT OF VALVE TRAIN NOISE. ALSO HAVE FORD RACING TALL CAST ALUMINUM VALVE COVERS. ANYONE HELP WITH THE VALVETRAIN NOISE OR IS THIS JUST COMMON? CALLED FORD TECH THEY SAID AS LONG AS THEY FELL INTO THE 1/2 TO 3/4 TURN ON TORQUE THEY WERE OK????????????????????? WHY SO NOISY???????