new idea on gas tank rust issue

[jdfinch22]

For those who are suffering with rust in the gas tank. here is a product that may help. wd 40 rust remover soak dessolves rust.

this isnt proven but a gallon or two in a tank left to sit a day or two then drain

http://www.wd40specialist.com/products/rust-remover/

not sure if it would work or not but may be worth a shot would have many other uses too

 

[Mitch//pa]

its just a copy of evapo-rust which i have used in gas tanks and cooling systems

 

[Tinker]

Although never a gas tank... I have used a product called metal rescue to take rust off of metal. It works well, but isn't the cheapest. I had to try it. Only had to let the pieces soak for a day and they were clean of rust. It will not hurt brass bushings and other components that are not steel. I'm not sure how it would work in a gas tank but I bet it would probably work very well. If the price was better then it would be a great solution.

Next I want to try/test a molasses bath. Do a search it looks like it works very well for rust and is quite cheap. The only draw back is that it takes a while to work. Weeks and if you leave it in too long it can damage the good metal.

I wonder if anyone has tried electrolysis in a gas tank?
http://www.myfordtractors.com/electrolysis.shtml

 

[MartyAndrew]

Did a search on electrolysis on Fordbarn and found this post from Tom Cavallaro in Nov 2011:
"This is how I cleaned my gas tank without removing it from the car! It worked better than any other process I tried, and I tried quite a few for over 3 months, but the electrolysis worked in one day."

 

[Mikeinnj]

What's to keep the tank from rusting again after you use this quick fix ?

I have used Eastwoods gas tank etch cleaner/sealer kit successfully in three tanks but you must follow the directions to the letter to get the results they advertise. Last tank I did was 14 years ago and it is still rust free.

http://www.eastwood.com/gas-tank-sealer-kits.html

 

[Joe K]

Electrolytic rust removal works - and works WELL. But the downside of electrolytic is it leaves a surface which is chemically PERFECT for new rust to form from. This unless you coat or otherwise prevent the new rust from forming.

Breathe hard on an electrolytically prepared surface and the moisture from your breath will be enough to start the downhill slide.

I use Kleen-Strip "Prep & Etch" (available at the orange place) which is phosphoric acid and which etches and preps the surface - and leaves a phosphoric dip coating to slow down the rust attack.

Painting or coating is still recommended within a couple of days, however.

Joe K