I finally got around to setting these F2s up for fixed pilots and scale couplers using the parts Atlas supplies with them. I've had these engines for a long time and have almost forgotten about them. When Mario posted about the fuel tank adapters I got interested in them again and he was kind enough to ship me a set to try out. Here's some shots of them utilizing NYC trackage rights on my layout.
I set them up with a mild weathering job. Here's a video of them blowing through a red signal on my layout: