Here’s a brief test video of Brycen finishing up a firewall section. This 35 had the pinch welds removed al the way around the perimeter in preparation for a new hooded, side-free design.
One tip to finishing metal like this is using a DA to finish it up. You’ll find that it does a much better job of “smoothing” the finished product, rather than “sanding” it. The better the metal finish….the less body work. The equates to a less expensive and better looking paint job.