I really wish I got into that event - DAMN it looks like a great time Rob. I love Thunderbolt, so many fun turns. The octopus ... I always goose the throttle a tiny bit at the end and kick the rear out. Just enough to feel it.
Black run group at PCA is a badass crowd! I am usually in the yellow/green and find myself stuck behind many cars. Last time I was on Thunderbolt with PCA I got to the front of that run group my last two sessions and wasn't passed (OK ... well, a 997 GT3 RS did but that does NOT count