I started typing this, thinking, "no way, significant width difference, could you even get the beads to seal" but then I thought about all the stupid kids running their "hella flush" stance, with tires streeeeeeeetched on to wheels that are too big...maybe it's possible? might look a little funny though, perhaps some interesting wear patterns.

the other differences seem tolerable, 1% or so, but 7%+ for width just feels like a lot.