Centering the rear wheels

Moving rear end back. There are other threads but this is a good
Start researching and talk to various people. Are you looking to make this into a corner carver? or just a daily driver thats a bit lower. Many ways to do stuff.
No just want to make it sit lower with some meats I knew I needed a longer driveshaft. I Was going to just drill the holes in my relocation boxes up front but didn't know what effect that has on the rear shackles and what needs done back there mini tubbing it now the springs are already moved in