Finally found out the specs on the NA S14sr cams. The DR intake is 10mm lift vs the DET 9.2mm and I guess it has a bit long duration but not by much.
I wonder if it'd make any difference at all. I'm to lazy to back to back tests but I think I'll just stick the NA one in for fun.
http://www.nismo.co.jp/en/products/c.../cam_shaft.pdf