If you want to get straight to the point go to page 4.
Basically a friend of a friend got hooked up at an SAE testing facility and tested 12 or so different filters.
Anyway, a good read.
http://dieselplace.com/forum/forum_posts.asp?TID=10642&PN=1&TPN=1
page 4 http://dieselplace.com/forum/forum_posts.asp?TID=10642&PN=1&TPN=4
Basically a friend of a friend got hooked up at an SAE testing facility and tested 12 or so different filters.
Anyway, a good read.
http://dieselplace.com/forum/forum_posts.asp?TID=10642&PN=1&TPN=1
page 4 http://dieselplace.com/forum/forum_posts.asp?TID=10642&PN=1&TPN=4