Good reason to be scared of 7...check this out:

http://nitrodyno.com/videos/TWS2p9_turn7off.wmv

I backed off rather than try to pass those guys in 7, that threw off my timing and also the draft meant I was going pretty fast. One of those small drifts at the apex and a quick decision to point it out the track rather than go sideways out. I hit the dirt at 100mph.