Well I'm no expert on the subject, I'm sure he'd have more answers for you than I do...
But....For one, the transfer case and drive shafts aren't in yet. The transfer case will sit in the middle of the cradle and angles won't be as severe as you might think (I've seen much worse). Two, the shocks are set up really soft with lots of travel and once all of the weight is on the truck (trans, transfer case, custom drive shafts, skid plates, gas tank full of gas, and people in it) the shocks will sag more than two inches lower. Three, idk how you can tell the heims look minuscule in any of those pics. They are actually quite beefy in person and were made for that purpose. I'm not sure of the actual size but they're not just cheesy TSC bought heims. Also keep in mind he did this all by himself with minimal tools and no shop or hoist or much guidance other than his Got Mud web site similar to the bhq. Are things going to brake? Sure. That’s the nature of the beast. Find the weakest links and fix them.
Yeah, those are temps. Once he gets his Rockwell axles, there will be some big ass tractor tires on it.
Thanks for the comments