I agree I live in az and the track down the road sits at 3075' and on a hot summer night its like running at 8000' so your car slows down a ton from bad air. Most of us race here know you will lose .5-.7 on E.T 1/4 mile from running in july as to compared to Feb. I know a M6 SS will not run 13 flat at 111 without mods.
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