Sounds like you've narrowed it down to the area of the #5 cylinder.
Will the issue be obvious? You say tick, we ask for more info, I don't think we are in a position to tell you if it'll be obvious visually. Sometimes the internet diagnosis can be tougher than others.
Certainly you can pull the pushrods and roll them on a flat surface to check them. You can look at the springs to look for breaks etc. I've seen some crazy stuff and cars still ran good. Hop in and look it over, probably the best we can suggest.
