Post race update:
It was another successful run with the car running flawlessly for 8 hours. We finished 5th overall and 4th in class (P1 for 2.5 liters and up) out of 43 starters. The overall race winner was a 996 GT3 Cup car. Of the 5 Porsches in attendance only the GT3 and 968 had trouble free runs. There were also several strong E36 BMWs that ran into trouble. We didn't have the speed of some of the fast cars but we were consistent and reliable. The new RSBarn header/test pipe also gave no issues in the 8 hours. We completed 317 laps, which is a little over 600 miles.
I started the race and did a double stint for a total of 2:40 in the car. I have never been in a race car for such a long period but it was surprisingly easy at the time. But, I'm sore now. To run flawlessly while being driven hard for 2 eight hour races proves the 968 is a great car - but you already knew that.
Here are a couple pictures to start.
Eric