drkness

If you go the grease route I do believe it comes in a tube, like toothpaste, and and aerosol can <--easier to use.  Do note, if you use it you'll want to wipe all the connections off before storing.

If you can't do lights yourself, you drive around and appreciate the hard work of all the other displays. You don't shame because of it. Smh, people these days 

Your going to have to find some vintage bulbs to get this color hue.  Today’s bulbs just aren’t manufactured the same way.  One of the commercial grade LEDs MAY get you closer to what you are looking for.