jeez guys, the whoel schedule is on renoscca.com
http://renoscca.com/events/2006/04-29%20TT%20Flyer.pdf
Drivers meeting is at 8, gates open at 7, so I'd say get there as close to 7 as possible. Race cars on track at 8:30, followed by Advanced Club cars at 8:50. And so on. Then alternating all day.