Sorry for this late reply but I don't visit these boards like I use to.

pa2000xxxx asked if there are any post addressing doing a rear swap and I did post when I changed from 230's to 210's. You can follow this link to that post
https://www.f150online.com/forums/sh...hreadid=115876
This is a complicated install but now, more then a year later my gears are fine with no noise at all...
I am not a professional mechanic but I am an experienced back yard mechanic.