Champion CC374 clearance advice in Duster

Well, I have been out in the garage all morning beating on the lower brace trying to get this extra clearance needed to get the lower tank off the support. No luck so I am thinking about either cutting this one out and modifying it or doing some research to see if there is an upgrade like a tubular lower support. I have seen a couple of members resto forums with that mod and I know Dillenger was mass producing them but I believe he is taking a break from that. Any ideas?