I have a quick question. I just got got a y8 head and the head is in pieces. All the rocker arms were kept in order so i started to assemble everything but just got a couple of questions. Some of the rocker arms dont really swing around freely they get stuck on either the opposite rocker arm, a collar or on the rocker shaft spring, Now I souppose they arent soupposed to be able to swing freely without hitting it. But my question is should the arm be under or over the other one? Like for example The A rocker arm on the exhaust either has to sit over or under the collar on the intake side parellel to it.
am i explaining it right? Anyone can offer any close up pics of the assembly or even kno what i am talkin about??? thanks

 

forgot to add it is for a d16y8 head