(and is this the legacy body, because i don't know for sure that it _always_ has mapping issues, but it has some weird mapping glitches that i don't even know how they did, so i have no idea what other glitches it might bring it at the same time)
in the previous one, it doesn't look like your bites are lining up, regardless of the specular alpha mess going on. are you sure you have the upper applying to upper, and haven't switched upper and lower textures in the applier?