Hello, friends. This is my first post to the forum. We are the new owners of a 2011 Landmark Grand Canyon. Has anyone switched the OEM tv in the living area with a larger one? I have a 50" - 4K smart tv that i would like to mount in its place. Heartland engineers say that the mounting plate in the wall should support the extra weight as long as i replace the extending mounting bracket with a heaver duty one. I realize that the larger tv will not fit into the cubby that the OEM tv fits into. Just wondering if anyone has attempted and conquered the task and any hints that might get passed along.