Dale: Will my tank out of my 59 work you can have it. No not selling, swapping just being Ben and trying to help.
To answer your question yes it can be done but I'm pretty sure it has to be an expoxy compound, gas will eat at a lot of products and will develop the same problem.
popcorn The Truth is Out There (New storage tanks are being made out of a expoxy, fiberglass compound so they will not detiorate under ground.)