Hey yall, recently got a 235 from a 57 truck and the bottom end has already been rebuilt and seems to be up to snuff, but the valve head needs some work. The exhaust valves all moved and came out without any issue but all the intake valves were very stuck, took a lot of hammering to get them out. I know that some years use the umbrella seals and some dont, only the intake valves had the umbrella seals. Could it have something to do with that?
