Hey mob, 3 really interesting articles concerning vents and scoops. Have a read. This might not be news for some people, but I was searching for info on using heat-dissipating vents and found this.
1 http://autospeed.drive.com.au/A_2159/cms/article.html
2 http://autospeed.drive.com.au/A_2160/cms/article.html
3 http://www.autospeed.com/cms/article.html?&A=2162
You have to be on page 3 to skip back to page 1 for some reason.
Tom.