Ogre: You and my buddy Jim beat me to the point!! I kept overlooking it. Welding it solid would have been a little easier on the bench but I managed. Fortunately my Dad left me some antique grinding tips I used in my drill. It rains a bunch here (most in the U.S.) but my truck will mostly be inside. Thanks.
I got the body work on the Cowl at about 90%. Jim came over and we whacked the roof a couple of more times and managed to stiffen it up. I did three 24" pulls on the filler using a Home Depot paint shield. It is a little flexible and does a pretty good job. With the exception of the back edge of the roof where I can't get under it, the filler is no thicker than about 1/8". The sculpting begins.