The support on my truck does not have the special bent plate (riser piece if you will) at the bottom where it attaches to the frame. The channel of the support goes right down to the truck frame cross member with one rubber cushion in between (cushion badly deteriorated). Not sure what's happening there, I know that core support plays a big role in keeping the front sheet metal in check.
If you look closely, you'll probably find evidence of that "riser" where it was riveted or spot welded to the bottom of the support. They take quite a beating and break frequently. My original was so badly damaged that one of the previous owners had welded 1/2" thick steel to the bottom and inside as well to replace where those risers were. It weighed a ton, and was replaced by a radiator support I got from Jim Carter's bonepile.
