What to clean gas tank with?

Oklacarcollecto said

I have one it on cars that have been stored 20+ years and had great results. I don't see a reason to buy a new import tank that is generic for many years when I have a factory tank in my hands. Some cars they don't reproduce tanks for either.

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The tank I bought was made in Canada so yeah it's imported but it was VERY good quailty. Also my old tank had a small hole in it also. When I dropped the tank it looked realy bad inside. I figured it was getting thin in other places too. This '65 is my daily driver to & from work so didn't want to chance it.