I've changed a fair few tyres now, mainly in the comforts of my own garage - and generally these days without adding a snake-bite or three to the inner-tube!
I've read many posts about warming new tyre first to aid fitment - and never really bothered giving it a second thought.
Last night, just before I removed Troys wheel to fit a new MX tyre, I stuck the new one on top of a nice hot radiator in the kitchen - much to her displeasure
Didnt expect any noticeable change as I collected the tyre 20 minutes later to fit - but wow what a difference in pliability of the carcass. Certainly made the job noticeable easier than usual -- obviously still enjoyed doing it about zero.
So the warming does work & a usueful tip that sunk in after reading about it on here regularly for the last 5 years "You can teach a new dog an old trick.............eventually"
So, last time, I left the tyre inside the car, which was just in sunlight
& left it there with the windows closed so nice & warm while I removed the old one -
certainly seems to have been easier.
It makes sense, thinking about the physics of it
though I'd only expected the difference to be marginal, every bit helps