Might attend. Here's the car corral info from the website. The exec summary of which is Porsche and Corvette only. No laps. No Sunday.
CAR CORRAL EXPERIENCE
The 2-day car corral experience pass provides exclusive opportunities for Corvette and Porsche car owners to socialize while enjoying a welcome tent, visits from guest speakers and exclusive parking. The car corral is located in a prime location next to the ALMS paddock in lot B and will run on Friday, August 31 and Saturday, September 1. Your pass is not valid for parking on Sunday, September 2 and does not include parade laps. NOTE: Car Corral Experience passes are for vehicles only. Event tickets must be purchased separately. Corrals are exclusively reserved for parking of the owners of Corral sponsor's brand of automobile. Tickets holders must have a car specific to their particular Corral pass to enter.