I've actually never gotten around to making a sound clip of it, unfortunately. However, I do have a thread detailing the making of it
here.
The car is currently in storage for the winter, so no chance of any sound clips till I pull it out again in the spring. Maybe then I'll get around to it.
I would definitely offer a similar system to the other members of this community if I could. Making money would never really be a goal of mine, as long as I get enough in exchange to cover the materials and consumables (argon, welding wires...) I would be happy making these for members. Plus with some tooling made up I'd be able to experiment with my own systems.