helping my boy not much lol with car he has stock 1994 lt1 engine put a gmlt4 hotcam 525/525 in it with stronger valvue springs and rocker arms to macth. what do i set rocker arm too . also is that hydraulic lifters will find out more from him if you need more info thanks

 

Shoebox has a good writeup involving valve adjustment amongst other things. http://shbox.com/1/4th_gen_tech2.html#adjust_valves