EFI tank with Carbureted engine plumbing questions

75slant6 said
Which regulator did you use? Name brand or cheap, knockoff version?

Cheap knockoff. Like 20 bucks or so. The oriface had to be opened significantly to lower the pressure enough. However, it works perfectly and keeps fuel cool and no vapor lock.
I also run 3/8 feed and 5/16 return.