Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
clean it all off, using a good cleaner, then coat with talcom powder,scent of your choice,or even french chalk,run the engine again,get it hot,see were the oil is coming from,
But probably the O ring on the oil feed to the cam at the head gasket. Seen quite a few leaks there and all were the LHS.Sorry!