Yeah, it does stay sticky for a long time. Just thought it may be real durable.
I don't use rattle cans for anything but small jobs, like the mirror braces, lug nuts, ect.. I use an HVLP gun and synthetic enamel with a hardener added, on the John Deeres.
I used Acrylic Enamel with a hardener on the body of the 57 GMC.