8.5" is about what anyone doing this should plan for if they want any kind of good compression travel. I used a swaybar from my donor 3500 box van (14900gvwr) it is stiffer by a long shot than it needs to be, even at 10ft tall I get zero body roll.With this spring and that mount height I think I gained about 8.5" lift up front, after adding a winch behind the bumper and plenty of settling out those new springs.
I mounted the factory ford sway bar to the chevy frame and it works fine, however I have had one link removed almost the entire time. I just don't feel like it needs it honestly, which I was very surprised to have be the case. It really just doesn't body roll or sway much at all even without it.
The pitman arm will come off right now till I tighten it up and need to get a puller in there . It's 3 easy to get to bolts to loosen the box if I need to get a puller in there. Re vamped the shifter to get a boot onto it . I had an old honda CV shaft with good boots I cleaned up for a nice sealed shifter . I should of just bought a new one for the time it took to clean ,there cheap enough