https://www.facebook.com/SteelingTimeFabrication/
This guy has done multiple fabs for a lot of 4runner guys. He has done a few NWTI bumpers. He is also mobile too.
So I noticed I had a humming noise that would appear at 60-70mph. This also applies to other gen 4runners too. This had to do with Pinion angle. When you lift your truck, the angle will be off. This can also be indicative of U joints in your driveline also, so grease or rebuild them if possible...
I got the ADD to work like stock Toyota. Works great and I don't have e to get out. Thought about doing manual hubs.
To your question about the mount. The clamp was slightly too big but it worked perfect otherwise. It's in the same location as the 2wd mount. It will need to be removed. I did...
Rock Defense Tacoma Dual T-Case Crossmember - Trail Gear
I used this crossmember when I did the 4x4 swap. Just cut out the old one and drill/weld this in.
Apparently, they used different parts in different years of the r150f for the 3rd gen 4runner and 1st gen tacoma. Thats what they told me awhile back when I asked about a rebuild kit.