That's on E85 with 10.5 CR. Was driving aggressively with a heavy foot. Even when I was on 8.5 and 8.39 CR motors I regularly saw mid 230s F in summer and would have been more if pushed the car the way I recently did. Yes on E85. That's what I'm saying in mid hot summer with A/C I see no difference.
Interesting.
Wonder if the 10.5 motor would see in excess of 245 on gas? It's kind of a hard thing to compare apples to apples I suppose....since you are running much more boost and timing on the E85 setup vs gas.