It is connected into the PCV system. The oil catch can collects the oil mist and condenses the fuel vapors while allowing “cleaner” gases to be passed back into the intake. Typically the blow-by gasses are passed through a wire mesh, which give the vapor droplets something to adhere to. I empty it every time I fill up with fuel, there is about an ounce of oil, never put it back in your motor.
There is a lot of great info on this site, and if you want to mod your truck, thus is the place to find it. Any questions, please feel free to ask. Good luck with your truck my friend.
@Mully Thanks. Since I started trying to find my way around this forum, I really feel my age. Hell, I seen your reply about your suspension set up and now I can't find it. Stupid computers.
I have a situation at home with my little girl. It'll probably be next year before I'm able to start to do anything serious to it. But I'll do that.