Car club questions?

Hey all, wanted to pick your collective brains on car clubs. Never been in a car club and frankly not remotely knowledgeable on how they work. Those who are in them, are you in Mopar exclusive club or is it a Pre year, say 1975 fun for all? How did you find your club? And lastly, what is your time commitment?

I assume there are dues, not just monetary but also with your time