agree. I'll pull the pan next, and give a gawk at the innards.
Original plan was to inspect bearings, replace oil pump, replace cam and lifters, install single points distributor, mechanical fuel pump.
I see now I need to re-route the PVC system. The anti-freeze wasn't low and it's colored right and the van never overheated (what little we drove it). I just can't imagine a head gasket or crack someplace, but what do I know....