Well, this is done. I let it soak until yesterday afternoon, for a total of 108hrs. I also changed the fuel filter and oil w/the new mix outlined in my post above, but with a slight mod:
-2 qts Rotella 5W-40 synthetic
-2 qts Mobil 1 0W-20 synthetic
-1 qt MMO
Initially when cranking the engine manually and looking through the spark plug holes, I could see the level of MMO go up or down as the stroke of the pistons would rise and fall. When I did it yesterday, I didn't see the level rise @ any time, which would mean that it was in fact making it past the rings.
I put the old plugs in and it smoked for about 30 mins and didn't seem like it was going to let up, so I waited until LATE last night to drive it on some open road to clear it out. It was smoking so much, it was like a dense fog that wouldn't lift. Literally like a smoke screen. After about 20 miles, it was all done. I got up this morning and changed the spark plugs before work (got it down to 30 mins now) and it rides appreciably smoother. That could be a combination of the new plugs and oil change, though.
It'll be interesting to see if the maintenance will cause the gas mileage to increase. I'm looking forward to seeing if the oil consumption decreases over the next 3k miles.
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