I didn't move the shroud attachment to the lip, I just reinforced it. If you move it down, you will have to get new shrouds and that will probably me a real pain to figure out the proper length--or you will have to add a bunch of chain plates to make up the difference.

Check out the attached picture--I don't have a picture of mine, but Bob sent me a picture of his set-up. Mine is practically the same thing...