3 years later...
The timing belt was changed along with all the associated [censored] like the idlers tensioners and seals. Some of the seals were shot and the car had started leaving its "mark" wherever I parked.
Driving habits changed from a lot of highway to local driving and the consumption shot up to about 1qt per every 500 miles.
At this point I upped the oil weight to HDEO 15w40 used it for another year, and threw the for sale sign on it.
Good riddance!