I've got the frame, grate and stone door out of my R50, waiting for my straightened and hard surfaced concave to put in. Figuring on putting the helical extension over the corner of the feed way, and finding an F2 rasp bar to put in the bottom of the separator cage. Since the rock door is out, would it be a good idea to put the hump kit on the rock door? Don't run any corn, just small grains, soybeans and some dry beans. Thanks.