1962-1963 B Body 8-3/4

Look for a 65 B-Body and be done. There is one here but I have not had the time to pull it.
Is it 1" narrower than the '66 rear like the '62-'63 rears are supposed to be? This link: An accurate 8 3/4" rear axle width list says 65-67 are the same.....