Hey Norm how you doing?
I just found this thread so that's why I haven't posted before.
2015 Camaro SS/1LE M6 Thunder track dry Car is stock Nitto NT01 March 11, 2018 1:38.85
https://imageshack.com/i/pmlHiZZbp
It was a very cold day. At the start of the day is was 28 degrees. No heat stress issues that day. I too suffer from heat issues.
Craig