Spray-can painting may be regarded by many as the poor relative of a professional spray gun job, a low-buck—even low class—technique practiced by rodders more concerned with going than showing. Well, ...

The telltale signs of a bad spray-paint job are easy to spot. Stripes of uneven coverage, paint buildup in the corners, a stray hair in the finish—the list goes on. Worst of all is the dreaded run, an ...