If heading east (from Albany direction) on US20 the racers entrance will be the 1st entrance on the left (by the circle track). If you miss that, then go to the main gate (about 1/4 mile car show entrance) and go in there and turnaround.
They pay attention on inspection: catch can for rad. overflow and it doesn't have to be real complicated. Hub caps off. Factory seat belts are fine unless have a roll bar (11.50). I don't remember time when a jacket is required. I don't think they'll even see the holes, not that that would matter.
Sounds like you're good to go