 So a smoke machine generates about a half a PSI in most cases, depends on what yours is. But a smoke machine test is only half the equation, all right? I'd still like to do it with propane. So what sort of propane setup do you have? Oh, it's just a generic camping, like, yeah, like a porch. Oh, okay. Tell you what, sit tight, Trevor. Let me pull over and take the pause. When we come back, we'll finish up. I'm Ron Ananian, The Car Doctor. We'll be back right after this.