When i got my 428cj engine it didnt have the right heads or non adjustable valve train installed. i have now installed a set of rpm heads and the rocker arm shafts from a 390. I did not have the hardware to install the rocker shafts so i took the hardware from a 360/390 i had in a truck. i removed the bolts and installed them in the same order with the rocker shafts i have now. the problem i am having is the oiling bolt bottoms out in its hole and it did not in the stock position on the cast iron head. has anyone else run into this problem. i could just put another washer underneath the bolt head but it was not this way on the stock head.