No...basically just 1-inch mig beads about every 6 inches or so where the hump meets the floor pan/tunnel, then seam-sealed to death.
Wish I could show you a pic I had of mine, but I lost a whole whack of pics at my last harddrive crash!....Grrrrrr
Here's link to another thread right here in the hizzy.....
http://www.forabodiesonly.com/mopar/showthread.php?t=18089&highlight=Hydrolic
Hope this helps...