The same problems come up with 1:1's too. One way to fix it is too put a 4x4 between the neck and the truck frame when unhooking. The other way is to have a push-off to lift the neck up off the truck frame. You can see the push-off in pics 2 and 3. Hope this helps.
http://i299.photobucket.com/albums/m...licNeck003.jpg
http://i299.photobucket.com/albums/m...licNeck004.jpg
http://i299.photobucket.com/albums/m...licNeck005.jpg