Well, its been two weeks, and while I can't say I am losing NO coolant...its WAY better than previously, I have only had to add maybe a half pint of so once or twice. Expansion tank level generally staying right where it should be as long as I do my daily commute, where I start up, get on the highway quickly, and then park. Whee I lose some it is when I am driving around town with frequent startup and shut offs. Still see a little wetting above the starter, but the rad hoses are VERY firm now, no significant hot coolant smell under the hood any more, and notably less white exhaust vapor, even though there never was any coolant smell there in the first place.
But I am going to pull the trigger on the gasket repair. Not sure how long the band-aid from a bottle fix will last. My local indie mechanic will be doing the LIM replacement gaskets in a week or so, he's done a lot of them and has given me a reasonable estimate for the work. Will also have him do new plugs, I suspect I am still on the originals at 94K now. Whats the preferred plug for these engines? What one are to be avoided?
BTW, for whatever reason, ever since I put in the Blue Devil stuff, my COOLANT LOW warning light has cleared, and its not just due to an improper coolant level in the radiator. That has always been full, and the light started acting up way before I was actually losing coolant. Maybe some of the Blue Devil sodium silicate is now deposited on the sensor, and it's going to indicate OK regardless of the level.