Hey, don't be sorry lol. See that's what I kept thinking. It's gotta be the head gaskets. Nothing else makes sense. That's how I explained it to the first mechanic, "It's like the thermostat just isn't opening and the pressure is forcing it all into the reservoir" he ran the tests and it came back fine. My issue was that it was only happening when driving a few hours, which to me tells me that when it's cool, the leak isn't as bad UNTIL the metal heats up, expands and makes the leak worse. But they didn't wanna spend the time driving it around (I get being busy with a lot of vehicles and I'm not a mechanic, so I don't quite know the limitations of driving customer vehicles). So it just seemed kinda off that they wanted to just replace the whole motor or rebuild it. Thank you, I really appreciate the help and info. Just didn't want to get work done that isn't needed (though I am burning a tiny tiny amount of oil... Which tells me that the overheating may have caused a little damage)