I am not sure what the numbers are, just that there is an issue. Also use a 54 oil pump and pickup (has a built in pressure regulator) you have to remove all the troughs and nozzles from the pan. There are a couple of ways to go from here. You can just plug the hole where the nozzles spigot is. I am going with a full flow filter which involves plugging the original inlet to the block and rerouting the oil flow through the oil spigot hole pretty much backwards through a filter and back to the main gallery, from there you can tee off to the rocker arms, I am using a hydraulic flow control valve to regulate oil to the rocker arms. plug the REAR main gallery with a threaded plug, NOT the front one as that is where the timing gears get oil. You can look at it all for a while as there is a few other things you can do. Pre68dave has boxes of 235 rods for a very reasonable price.(he is a very nice fella) Actually he is who I got my 54 oil pump pickup from
