Eco mode higher temperatures?

[Wolverine7]

I'm curious if anyone else has noticed a difference between Eco and Normal mode in terms of temperatures? Seems like this shouldn't matter, something the thermostat should be controlling. However, I suppose it's possible that Eco mixes in the turbos a little more? Maybe better combustion is intentional?

My observations have been that the Normal mode does a pretty good job of keeping close to 190 in city/highway, but for extended highway trips in Eco, I have noticed quite a few periods where it sits in the 205-210 range. You'd think the thermostat would adapt and bring it down, and I don't "see" any turbo gauge action, but curious if others have seen anything like this. Is this just a feature of Eco?

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[Oxford_Powerboost]

Possible that the grill shutters remain shut longer in eco mode. It also prefers higher gears which will work the turbo harder. Hotter is more efficient but rides closer to the line if you decide to push it hard suddenly. Logic could be that you wouldn’t in eco mode.

All speculation though - could be sheer coincidence

 

[v8440]

It will be closer to the line when it's hotter, but if you suddenly whack it it'll just pull however much more timing is required at the higher temperature to be safe, which in turn will certainly reduce performance a bit. I don't think for a minute they'd count on someone not whacking the throttle because it's in eco mode.

 

[FaaWrenchBndr]

I haven’t been able to get higher mileage using eco vs normal.

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