Office of Steam Forum for Model & Toy Steam Gas & Hot Air Engines

Randy, I have had good luck taking an engine casting into ACE Hardware and having them color match using a device that shoots a light beam at the paint, then gives paint tech a formula to make up a quart (or more if needed).  I brush this on with a disposable sponge brush and get very good results virtually equal to the original...whatever state of fading it might be.

Never tried spraying it, but on small items like castings a sponge brush works fine and leaves no brush lines.

Rog