Office of Steam Forum for Model & Toy Steam Gas & Hot Air Engines

Richard, I use small slices cut from a silicane hose. I've done this enough that I've gotten pretty good at it, but it's not hard at all. I don't believe I would use Teflon tape, to messy and arduous. it is important that your parts are clean from grit and grime, I use a tiny screwdriver to chase the threads & seat of the nut and mating parts.