Not a different in La. I haven't raced at all this yr. (yet) when it was cool i was out of town working, now it's too damn hot, i figure on going out about sept 1st. Cars ready i'm not, it's been 94 to 98 degrees here for the last 2 wks with up to 110 index. Damn i HAD to cut the grass yesterday 97 degrees 110 index, even on a rider i think i lost 2 to 3 lbs sweating my butt off.
I can remember going to the firebird in Phx. in 110 daytime, 15/20 yrs. ago and sitting in the duelly or MH with the AC on between rounds. I lived thru it but i see no reason to do it again. Maybe it's just old age but the heat bothers me a lot worse than it used too.
Zip.