Should be a great event.
Go look up some video under Bay Bottom Crawl to get an idea what the road is really like.
http://www.carsracingcars.com/multimedia.php
There are three different videos to check out.

Do not know about any camping - but have heard people talk about staying in their motor homes.

Email evscc and ask more questions

See you there,
Keith R
JFF Racing
BMW HS 318i / STU M3