couple of questions and answers m8!
Q:HAS THE CAR BEEN SITTING FOR A WHILE?
A:IF YES IT CAN TAKE A WHILE FOR THE TAPPETS TO FILL WITH OIL EVEN 1/2 HOUR SOMETIMES FOR THEM TO GO QUIET!
Q:IF THEY ARE STILL NOISEY AFTER THAT!
A:YOU MAY HAVE TO CHANGE YOUR CAMS ALSO AS THE LOPES MAY BE WORN ALSO!


HOPE THIS HELPS U!!