Since there's a forum section just for custom settings I figured I would throw in a link to my work on a custom Dragonball/DBZ setting. This is simply just linking to the original forum topic so that it isn't entirely a repost. I haven't done work on it in a little while since the group I was running for didn't last too long but I am looking at putting together some resources for a Steampunk Fantasy setting, so keep on the lookout!
https://community.fantasyflightgames.com/topic/269668-dragonballdbz-setting/