AH HA... Modfather paints his RR and ECLE parts with paint, he says so on his site. "tuscan red base" and then metallic flake sprayed over and then clear. I suppose if spraying is the only option, I'd do it on tiny areas. I don't know what that base is from, but I'm guessing an automotive paint. I'm sending him a note asking if there is a way to get some of the paint or where he sources, etc.
*If we're going spray can this looks like it might be a match: amazon.com link »
I suppose you could spray it in a cup and use a tiny brush for small sections. I have no idea what the match is like, but I might order a can just to test.
*Another option seems like it could be these mixed with some clear or actual red paint: amazon.com link »
*Another paint that might work: amazon.com link »
*Probably not the best amazon.com link »
*Another duplicolor spray, ford specific amazon.com link »
Edit - Ok, I ordered the first option above and some tiny touch-up brushes. I'll report on how it looks.