No worries, mate!
BTW, reposting this lovely pic of jamesdak's lovely Fuji S12-S 650b conversion, posted just above. I don't know if tire clearance on the S12-S is more generous than on the America, but your America could look very similar to it, fit-wise, w/650b.
Originally Posted by
Het Volk
pcb Thanks so much for the wealth of the information.