Hello everyone! 
I hope this article is informative to you.  Please refrain from posts until I am done, approximately 10 posts. 
The main reason for this project for myself was because: 
1. Previous owner had replaced the 90 degree hose on top of the tank with non-fuel hose and it was rotted and leaking gasoline.  This HAD to be fixed one way or another. 
2. Gas tank was 35 years old and, although I have never had issues with rust in the fuel lines, I know if not treated, the tank on the outside