I know its not a Zuk but I've always wanted to build one of these.
This is a friend of mine doing the tube work for me. Check out his other work too.
https://www.youtube.com/watch?v=g_IPqpz4ddg
And here is the second part. I will be updating as I can. Kinda backed up on a 2.3 swap in a Samurai right now and need to get the Tracker in the shop for a couple days before I can get back on this one.
https://www.youtube.com/watch?v=baFT5pEKpqk