I don't know about going from 100 to 500, but I went from 300 to 500 and it was a simple swap out, no repositioning of the post required.
Maybe you happen to know if going 100 to 300 was an exact match, in which case you could infer that 100 to 500 would be too.
Maybe you happen to know if going 100 to 300 was an exact match, in which case you could infer that 100 to 500 would be too.