Flow charts taken from a modified P11 cylinder head
Sr20ve flow chart from modified cylinder head bigger valves and port work
http://i183.photobucket.com/albums/x...veheadflow.jpg
Sr20ve standard ports
http://i249.photobucket.com/albums/g...s/DSC_0008.jpg
Sr20ve modified with bigger valves and port work
http://i249.photobucket.com/albums/g...DSC03190-1.jpg
Keep in mind this is just flow
Nearly 400 cfm!!!
Still take into account the shaft mounted rocker arms and VVL