I think Khan, see how he struggled at 135, yet looks a monster at 140, by that logic at 240 he'd be unstoppable. Also with that extra weight he puts on, and those Ariza shakes, i think he'll grow a few inches too, and be about the same size of Tyson come fight night
Something which many of Pac's critics seem to have the impression of, with his fight against JMM at 145.