Dmorg ... hold on to that large OD stuff, it's got to be close to the cost of silver by weight. Appreciate the offer but I think I'm all set.
OG, I think you are correct, I don't think I've ever reached into an engine compartment and had any piece of metal except the engine and the radiator burn me.
Got in some Nylon 6/6 MDS filled today ... jeez that stuff is hard. I'm going to have a nice collection of materials to make ... you know ... whatever