I've been using Evaporust lately and it' s slow but works really well.
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| Gas tank rust/original paint http://www.kawi2strokes.com/forum/viewtopic.php?f=14&t=14101 |
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| Author: | moodswing [ Tue May 12, 2020 11:44 am ] |
| Post subject: | Gas tank rust/original paint |
After reading hundreds of posts in regard to tank rust removal I was unable to identify a process that would guarantee no damage to the original paint. Hoping someone has removed rust while maintaining the original paint? Any help/thoughts would be greatly appreciated. The tank was coated 13 yrs ago and has some pealing (looks like most of the old sealant is gone) and has very fine surface rust. If anyone provides such a service or has experience and would be interesting to get paid to do mine please PM me. Thanks in advance. |
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| Author: | GUTS [ Tue May 12, 2020 2:58 pm ] |
| Post subject: | Re: Gas tank rust/original paint |
I think I de-rust more fuel tanks than probably anyone else here. Buy some Evaporust and get it over with. It will not hurt paint or anything else except rust. Fill the tank with it and wait until it has done it's job. Sometimes if the tank is so rusty most fellows would throw it away, I will let it soak for a week. Just keep checking and rinse it out when your done. It doesn't get any more simple than that. If you have to remove old sealer that is peeling off inside I put about a gallon of small screws, nuts, and bolts in it, wrap it VERY well and put it in the dryer on tumble until the sealer is ground away. |
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| Author: | nitrouscarl [ Tue May 12, 2020 3:09 pm ] |
| Post subject: | Re: Gas tank rust/original paint |
I have had good results with evaporust. |
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| Author: | Tim Steele [ Tue May 12, 2020 9:55 pm ] |
| Post subject: | Re: Gas tank rust/original paint |
Electrolysis will not damage the paint and does an excellent job. |
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| Author: | suthernS2 [ Wed May 13, 2020 7:36 pm ] |
| Post subject: | Re: Gas tank rust/original paint |
I've been using Evaporust lately and it' s slow but works really well.
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| Author: | moodswing [ Thu Jun 04, 2020 1:41 pm ] |
| Post subject: | Re: Gas tank rust/original paint |
Went with Evaporust, filled to the top and let set over night. Before I started the tank inside appeared to be a combination of rust with pealing sealer. After emptying the evaporust the inside appears black and rough to the touch. Unfortunately the particles rub off which must be the residue of the old sealer. I strained the evaporust not much rust lots of flakes of sealer. The evaporust was black in the bottom the tank. Looking for thoughts for next steps as I don't believe the tank is ready to use. All the carburetors are rebuilt with new "in line" micro filter, just want to NOT go backwards if the tank in clean enough. Another application of evaporust for a longer period of time? Nuts and bolts in the dryer? Will the "Electrolysis" process remove the old sealer better? I believe all the rust is gone. Other suggestions...…. |
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| Author: | mraxl [ Thu Jun 04, 2020 2:57 pm ] |
| Post subject: | Re: Gas tank rust/original paint |
MEK is about the only way to remove tank sealer. |
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| Author: | Tim Steele [ Thu Jun 04, 2020 3:52 pm ] |
| Post subject: | Re: Gas tank rust/original paint |
I concur. Electrolysis will get rid of the rust but not the sealer. |
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| Author: | evansje1 [ Wed Jun 10, 2020 8:18 am ] |
| Post subject: | Re: Gas tank rust/original paint |
Tim, have your local Tractor Supply get you a gallon of Milk Stone Remover. It is phosphoric acid that dairy farmers use to wash their equipment. Mix it to 8 parts of water. Always add acid to water, AAA. Remove the petcock as the acid will attack this cast metal. Make a sealing plate or plug for the petcock hole. Fill the tank with the mix and let it set, maybe a day or 3. The iron oxide will be converted to phosphorus oxide (black oxide) which is a rust preventative itself. This mix will not hurt paint, chrome, or decals, unless there is rust under them. This will not get rid of the sealer though. |
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| Author: | Ja-Moo [ Wed Jun 10, 2020 8:58 am ] |
| Post subject: | Re: Gas tank rust/original paint |
You have to get the sealer out first. MEK is the fastest, just VERY nasty stuff. Acetone will take it out too, but safer. Just takes a bit of time. But both eat paint. But...... https://www.youtube.com/watch?v=3PRuL4kTG6E&t=7s |
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