I was looking for this video, just found it again. A bone-stock RX-8 at Lagnua Seca. When I talked about keeping the engine above 5 grand, and the red line beep, you can see both demonstrated here.

http://www.youtube.com/watch?v=o1pVm1haIjk

Pay close attention to after the 1:40 mark, as he crests the blind hill, and enters a series of downhill corners. That's what makes Lagnuna my favorite track.
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Pioneer VSX-1018AH-K, PDP-5020FD, DV-79AVi
Axiom M22s, VP150, QS8s
Sony PS3, surround backs
-Chris