The blackice is 3/8 internally, right? That probably has something to do with the lower flow.
Still, its a good rad and probably not the only problem if you are getting 50C.
Also, who says you can't fit a heatercore on a midtower?
http://home.earthlink.net/~ggiacomel...re_upright.jpg
[ 10-14-2001: Message edited by: redleader ]