Just so you will know. I took the valve cover and immediately noticed the special head bolt was not in the correct position. It does look like a screwdriver slot on top of it. This one is a drilled bolt instead of the grooved threads. I made sure the drilled area was clear, installed it and now oil is flowing great to the rockers, even with the open ended tube. Thanks again for the info!! slowgoer


54 Chevy 5 window - 46 Chevy 1/2 ton