http://www.hotrod.com/techarticles/e...ing/index.html
http://www.gofastnews.com/board/tech....html#post5343
http://www.sa-motorsports.com/diyport.aspx
http://www.circletrack.com/techartic...ing/index.html
http://speedtalk.com/shows/027_jim_mcfarland.html
http://www.chevyhiperformance.com/te...ing/index.html
http://www.gmtips.com/3rd-degree/dox...-port/port.htm
http://www.bfranker.badz28.com/96ss/58porting.htm
http://www.eecis.udel.edu/~davis/z28/buildup/plenum/
http://www.diyporting.com/molds.html
http://www.fordmuscle.com/archives/2...olds/index.php