I have a 1997 evinrude 115. The paint has become very faded, I wet sanded it several times with 600 grit sandpaper, and put several coats of the metallic blue evinrude spray paint thatthe motor was used for, however, even in dry conditions, I can't seem to get the mirror like finish I want.. How can I achieve this ? What could I be doing wrong? It has gotten a bit more bright, and it has definitely smoothed out with the wetsanding, but nothing like before... Help!!!