they wont be different, he will have had bigger bearings put into it at some point. This happens all the time time, some guy will have a g/box uprated, it lasts, and he tells everyone, everyone else thinks that type of g/box is actually good, it's not the g/box, it's the modifications that are holding out, all the while they fellows laughing his arse off at the price increase of the g/boxes in his local market and all the muppets that are paying to much for them