There are a lot of guys more qualified than I am, and I am sure they will reply. But I will get it started.

Sounds like a valve train noise, as opposed to a bottom end. Could be a valve sticking. How's the oil pressure? Maybe some Marvel Mystery Oil will hope loosed things up. Wait for others to reply, but I would be inclined to let it get up to operating temp and see if it works itself out.


~ Victor
1941 3/4-Ton Pickup (in process). Read about it in the DITY Gallery
1955 Grumman Kurbside "Doughboy" 235/3 on tree w/ OD
1957 3100 - moved on
1959 C4500 Short Bus "Magic Bus" - moved on
1959 G3800 1 Ton Dually "Chief" - moved on
1958 C4400 Viking "Thor" ~ moved on to fellow Bolter