Besercoe - interesting idea, I hadn't thought of that. I will give it a try.
Iso - boiling makes the CA stiffer so it will break off. I tried boiling and it worked, but it burned my fingers as I worked the tires off.
If you wanted to keep the tires, I would probably sacrifice the inserts since they are cheaper than the tires are. . .
RC10L2.5W - RC12.4 - RCNTC3(bmi) - TC4 (modded) - B44.2 - plus rent-a-rides! :D