Classic/Antique Car Repair: 350 chevy. setting rocker arms/hydrolic, rocker arms, lifters

Question
I need to set hydrolic rocker arms,and lifters for a 1972 350 small block  

Answer
Dennis ;
Hi- ok  well if hyd. all you have to do is take each one at a time and loosen it till it clacks a lot than turn it in SLOWLY till it stops than go 1/2  turn to 3/4 turn more  no more than that. and you must do each one slow as it might change the idle when doing it.  ok