Offroad VX - Congratulations! It's about time Isuzu has had to foot a nice bill for some of our troubles.
TechnoPope - Neither of my VXs have had any oil consumption issues *knock*knock*, both were city drivers prior to making the long haul up north. I'm curious about the oil flush and fill procedure you mentioned -it sounds like a good way to stir up trouble. Whenever I has switched a vehicle over to synthetic (either Royal Purple or Mobil 1), I have changed the oil(s) like normal. I simply reduced to interval from 5k to 3k miles for the first few changes. I never actually tried to 'flush' anything from the engine. I do change the oil immediately after the car has been driven and the oil is scalding hot (a leftover anality from my Bimmer days) -this seems to take more of the sludge-producing mung out of the engine with each change.
You may want to look into the Seafoam engine cleaners that have been touted on here, it may be that your wife's VX might have lived its previous life dining on Quaker State.
I use only Purolater filters and PCVs if this matters.
Oh, and stay away from the Midas on Riverside Dr.
EDIT: I have been crediting the wrong person for doing the research on the oil-pumping phenomena. Green Dragon has found the relevent articles, which can be located within this thread:
http://www.vehicross.info/forums/sho...ht=oil+pumping
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