So what IAT is too high, recently blocked grille on stratus, IAT peaked once at 185, but normally in 120-40, probably up 30f from pre grille block. Water temp in town in reaching 222 before fans come on, pre never over 205 didn't even know if fans worked, and still 205 on hwy.
I can't tell yet if grille block increase MPG any, but since IAT temp went up as well I will never know.
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