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> So what's the consensus on the oil to change to for the first oil change?
It should be pretty clear that you don't want to still be running break-in oil at that point.
In fact, if you've been too gentle with this engine and only have 200 miles on it so far, it's NOWHERE NEAR ready for a track day, no matter whether you use full synthetic or something else. (The book running-in interval is not just 500 miles anyway, it's 1000. Five hundred is just your first scheduloed service.) Forget the rings--they're either seated adequately already or not. The rest of that engine is still too tight to be giving it that kind of treatment right now.
My recommendation, FWIW: Work your way up through the RPM limits with progressive loading (that is, finish out the break-in you've started, and not excessively gently...after the first hundred miles, the factory recommended procedure isn't necessarily "easy," just not extreme). Then take it to the track another time.
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John
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