The PO of my Barracuda painted the whole car, but shot the engine compartment with the engine in place. When I pulled the engine for a rebuild, I bought three spray cans of Hemi Orange paint from Totally Auto, cleaned everything up as best I could, primed with Rustoleum primer, and shot it myself. Even though the two paints are from different manufacturers, they are virtually indistinguishable. It's been 6 years now, and it's holding up fine:
