Even with adjustable rockers you have to set valve lash on side oilers with conventional hydraulic lifters collapsed!!! there is no such thing as any 3/4 turn or 1/2 turn ETC, ETC from zero !!!! :nono: The only way you can get around this is to run .000 lash anti pump up lifters" set em at .001 or .002 hot & running or you could change your mind and :mwink: :D run a solid cam and put down some r