Bubbles above gas tank

[30 Closed Cab PU]

Here is the complete string with Brent's pictures, and some additional info about trying to clean a Tank.






https://www.fordbarn.com/forum/showt...79#post1682779

[Jeff/Illinois]

Originally Posted by Tom Wesenberg

I'm surprised at the number of people who think using muriatic acid to remove rust is a good idea. As Brent said, that acid never rests. I stored a gallon of muriatic acid under the laundry tub in the basement, and even though the gallon jug was always capped, the 4 steel legs on the laundry tub are rusting away. Just the fumes can rust any steel within 10 feet of it.

Also, my concrete finisher friend told me never ever ever use Muriatic Acid to clean oil stains off of concrete. Use lemons and lemon oil. Most concrete places, Lowes, Home Depot, etc. try to sell you Muriatic Acid. Don't do that.

If you use M. Acid it will leech flourescents, forever. That white powdery fluffy stuff. Lemon oil pulls motor oil out of the concrete and doesn't affect the concrete.

[Jeff/Illinois]

Originally Posted by bigd1101

I had to have the tank welded and coated. When the tank was welded the heat distorted the top of the tank. . [/FONT][/COLOR]

I might be wrong, but it is too bad they welded that repair.

Aren't you supposed to solder the leaking rivets instead? Or do a lead repair? That guy ruined that tank?

[bigd1101]

As I noted in a previous post, the owner wrote me and said the cowl looked just like that 8 years ago.If it were rust it seems like it would have progressed. He's sure it's a paint/filler issue. I'm going with that........until I have it repaired and repainted. Rust never sleeps as Neal Young would say

[bigd1101]

Originally Posted by Jeff/Illinois

I might be wrong, but it is too bad they welded that repair.

Aren't you supposed to solder the leaking rivets instead? Or do a lead repair? That guy ruined that tank?

He was thankfully, talking about his other car.......my car apparently looked like this 8 years ago.

[Tom Wesenberg]

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My guess is also poor prep or sealing of the filler.
A proper paint job will likely fix the bubble problem.

[bigd1101]

Originally Posted by Tom Wesenberg

My guess is also poor prep or sealing of the filler.
A proper paint job will likely fix the bubble problem.

With the added info from the previous owner, about it looking that way for over 8 years without any progression, I'm leaning toward that same prognosis too Tom.