Ticking sound

If you really get into it, might also be worth while to pull and clean your oil pump. Sounds like it's failing to get oil out there when it's a bit short (unless by low you mean empty lol), might have some nasty build up in the catch. I'm not sure if the seafoam would help cleanse that through if it's larger particules/sludge. I have had my oil level low enough that if I had to break hard, pressure would drop to nothing, but never got a tick to it.