Thanks for posting the videos, I had a great time. After watching the video like ten times I think the wtf noise might be the steering stabilizer you had diconnected banging against the axle. It looks like both wheels turn to the right a little as you drop over the ledge and then turn back when you hit bottom. Hope it's that simple.

1991 4wd Toyota 22re, 1.5" ball joint spacers, 1" body lift, 33 Baja Claws, Aussie locker, Budbuilt crossmember w/ 1" drivetrain lift