Oil Catch Tank

[luvboost]

hey guys does anyone no if a oil catch tank is empty inside or is there something to it? and the same thing about the breathers do they need anything or can you just put them on. reason for me asking is that im getting one made at my dads work cause there welders but they dont no what they are

cheerss david

[Moodles2]

Cheap catch cans are pretty much just tanks with 2 outlets, they don't actually catch anything.. usually have to fill them with steel wool to actually catch oil, most good catch cans use some sort of internal baffling