The cage alleviated some of the flex, but we could still grab the forward framehorn and severely tweak the frame out of shape. These pickups have five factory crossmembers, not counting the tranny/T-case crossmember. We found our No. 3 and No. 4 crossmembers were totally rusted through, so we built new ones out of some 2x3-inch, 0.120-wall rectangular tubing. The new pieces did the trick, making the frame totally solid.