Here is what I did and it may not be correct for all. On my '64 SS, the trunk metal was in excellent shape but the trunk itself was dingy looking. I cleaned, degreased and sanded a little where it was needed. I then tried using rattle cans I bought from either Auto Zone or Advance Auto. The cans didn't cover properly and instead of waiting for the paint to dry, I added even more. Still not the coverage/color I was looking for. And the paint never dried. What a mess I had. Used a bunch of rags and cleaned all the paint out. Cleaned it with some type of thinner. Let it dry and started over again. This time I applied 2 coats of a Rustoleum gray paint to the trunk. I set up a fan to help with the drying process. This was an excellent color and base for me. I then used more of the trunk spatter paint-gray with white speckles-letting each coat dry properly. I think maybe I used 3-4 cans. What a difference that basecoat made. The spatter paint blended so well with it. It may be just a bit brighter then factory, but I like it a lot. It's very clean looking. When I bought my '62, I did the same thing to the trunk. I think it looks great, Carmine.