Done mostly right....I guess. There are a few things I'd change. Maybe add a fourth tank to get it closer to 100 miles between fill-ups.
https://losangeles.craigslist.org/ant/cto/d/palmdale-82-cj7/7188575111.html
https://losangeles.craigslist.org/ant/cto/d/palmdale-82-cj7/7188575111.html