Some interesting choices for pit slots, yeah. CORE at the front is nice.
I did a couple of fun articles about what we learnt during the Roar. It's just testing, but it's worth speculating about.
http://theracingline.net/2018/imsa/w...rn-prototypes/
http://theracingline.net/2018/imsa/w...-24-learn-gts/