I have been working on my TR86 to get it switched over to do some oats. I switched the concave extensions to the small grrain ones and noticed the ones I took out were the same except all the wires are out. I remember when I bought it the former owner said he replaced them and thought they would be like a keystock grate on an IH. Should I replace them with corn soybean ones when I go back to soybeans or just put a few wires in the small grain ones and run them that way? It seems to do a good job this way, except for some small cob pieces that I can't seem to get rid of in certain varieties and conditions.