http://www.allfordmustang.com/Detailed/630.shtml


For everyone looking for head flow numbers, I love this site. I figured I'd link it up here, being this is the high tech mustang website :)

Hottness. Good info. Ive found this one before.
http://www.jason.fletcher.net/tech/flowdata/castiron.htm

heres another comparison chart
http://i74.photobucket.com/albums/i248/rbarn1234/headcompare.gif