Well, started the engine and watched the rocker arm assembly. No noise this time but observed that my oiler overflow tube had lots of flow. Two small holes supposedly dripping on the shaft were actually missing the mark. But what concerned me is that there was little, if any, appreciable oil coming from each rocker arm "weep" hole. Correct me if I'm wrong (because I don't want to take out the shaft assembly if I don't have to), but the center oiler tube ring that holds the overflow tube and fits on the end of each section of the rocker arm shaft, does that ring have a hole inside it that sends oil from the block galley into each end of the hollow shaft? Then through the hollow shaft, oil is forced up through holes in the shaft, lubricates each rocker and oil comes out the rocker arm weep holes? If so, then I think I know what my problem may be. The overflow tube is allowing too much oil to flow out of it and back onto the head and thus diverting necessary oil flow through the hollowshaft and to each rocker arm. If the rockers aren't lubricated enough, then I would get the strange noise that sounded like a dull screeching. If all this is true, I should then crimp down the end of the drip tube and send more oil into the hollow rocker arm shaft. Is this sounding right?
