Hello, the latest is some kind of pressure build-up inside the valve cover. It seems as if this pressure is forcing oil out around thecover seal then the fan sprays it over the hot bits making smoke roll out of the engine compartment. I can take the fill cap off, place my hand over it for a few seconds and when I take it off it makes a noticeable chuffing sound. I tried tightening down double gaskets with and without goop but no luck. The smog pump was taken off years ago and some kind of ports on the valve system were plugged off. There is smoke trying to escape from the carbon filter canister near the passenger side firewall and whatever electronics controlled it's outlet have snapped off and disappeared. A disgraceful, viscous gray smoke rolls out from the tailpipe with plenty of water dripping. If this car ever had a catholic converter it's been cut out. Factory carbs replaced by weber 36something down draft and set once 25 years ago. No smog test where I live. Has anyone encountered a plugged engine syndrome before? ta-rah.