Undercoating & Seam Sealer ??'s

mines a race car too that'll be driven on the street time to time.. no daily driver but I like the finished look and the goal is to have something that flies and is quality enough to not feel out of place if I entered it in a car show next to these $100k show cars

Ive used 3M Body Schutz to undercoat cars and trucks that Ive owned since the mid 80s. Comes in a qt can, mix it well, screw it to the gun and start spraying. You can get a gun on ebay or Harbor Freight for cheap and always have it. The stuff dries hard and you can even paint it. I put 2 coats on my 81 and used a little more air pressure to make it a little smoother.

I took off all the original stuff with a very sharp scrapper, cleaned off everything with thinners on a rag and shot it all with the Schutz. First coat went front to back, second I went side to side. I think it gave it a nice clean look. Just my opinion.