The 440 I have been testing with lately has Eddy's cut to 65cc's.Besides cutting the intake mounting flanges to get it lined up,I also had to make a cut off of it where the bottom of the flange meets the valley tray.Valley tray fitment is an issue as well,the heads dont butt up to the edge of the block like they should when the heads are cut this far.
I hope it goes better for you than it did for me,but it is what I had to work with on this build.
Keith