I don't think it's necessary for you to start over. I know that at some time during Sierra or the transition to High Sierra I decided to reformat one SSD and try to make a clean test install to see if I could get everything right. At no time did I want that to become my working partition because I did not want to have to reinstall all my software and settings, and the end result of Apple's migration app is questionable, as I found in moving to El Capitan. In fact, I upgraded my Yosemite disk to Sierra.
I spent countless thousands over many years on Apple computing, pre-iPhone, pre-iPad, and I felt since the introduction of the iPhone that Apple was pulling away from the Pro market to the extent that it became near abandonment. They now seem to be making up ground, both with Pros and Education. But if they think that souped-up iPads can take the place of real computing, then they're delusional.
pastrychef wrote a detailed review of your files
#321 and I believe you should follow his lead for he has helped many people. Try his suggestions, particularly regarding adjustments to your Clover plist. If you are not familiar with the use of Clover Configurator, then get used to it through practice. If you are hesitant to move forward because you may lose your working system, remember that a quality clone of your main drive using SuperDuper! will be bootable internally or externally. Trust me, that app makes a perfect clone of your drive and it's as bootable as your original.
At some point I realized that if I was going to continue on the path of hackintosh, which I think furthers the cause of Apple and takes the macOS to the edge of its powers, I had to learn a whole lot more about what I was doing. That's why I read threads like this one and follow the developments. If I reply to a post, I think I might be able to help, but I hope to be corrected by pastrychef or many others if needed.
I learned a lot by a practice clean install. You can try that, but not an install you hang your hat on. If you do result with a beautiful clean install that fits your build, then take that resulting EFI folder and transfer it to the clone of your working partition, removing your old EFI folder, and see what happens. By starting with basics, I cut a lot of the accumulated junk in my install. When I get off my MBP and get over to my work computer, I'll post Geekbench scores and comparisons that show what a non-Pro card like the 1080 Ti can do. I doubt you need a different graphics card for now. Post-R9 280X was not a good period for AMD, especially for hackintoshes, and now the pendulum is swinging some the other way. Pascal is strong.