I aired up my Space Saver to clean and inspect it, then deflated it. It worked just as designed.

I can buy inner tubes in any car size. How many trailer queens do you know that are licensed for street use anyhow? I'd also like the cite for "illegal to use tubes".

And if you want to quote Michigan law, did you know that it is legal to drive a Historic registered vehicle, which includes actual year plates, with BALD tires? Section 257.710h(iii) of the Michigan Vehicle Code. Bring on the racing slicks!