Rusted gas tank with apple cidar Vinegar, but.. - Honda Shadow Forums : Shadow Motorcycle Forum
 
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post #1 of 7 (permalink) Old 04-18-2017, 08:29 PM Thread Starter
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Angry Rusted gas tank with apple cidar Vinegar, but..

Tried the "Removing Rust with Apple Cider Vinegar" method so popular on youtube.

the plan was to remove the rust with vinegar, neutralize with baking soda and then pour Red-Kote.

And I'll tell you, the vinegar works GREAT! removed almost all the rust from what I can see through the fuel hole.



But here is the problem, as I tried to neutralize the tank with water/baking soda combination, the rust comes back immediately!

I tried this process twice, once with distilled water/baking soda combo and once with tap water/baking soda combo with no luck.

so as of now, my gas tank looks worse than it did before.

What gives? how did all the other youtubers get the rust off?

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post #2 of 7 (permalink) Old 04-18-2017, 08:45 PM
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I dunno!
BUT I use White Vinegar, noy Apple cider...
The Water causes the rust, but it is merely "surface rust"...
Dry immediately with compressed air, to remove the water, is my suggestion...


Vinegar leaves a Black residue,
D

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post #3 of 7 (permalink) Old 04-18-2017, 08:56 PM
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Originally Posted by idgeek View Post
Tried the "Removing Rust with Apple Cider Vinegar" method so popular on youtube.

the plan was to remove the rust with vinegar, neutralize with baking soda and then pour Red-Kote.

And I'll tell you, the vinegar works GREAT! removed almost all the rust from what I can see through the fuel hole.



But here is the problem, as I tried to neutralize the tank with water/baking soda combination, the rust comes back immediately!

I tried this process twice, once with distilled water/baking soda combo and once with tap water/baking soda combo with no luck.

so as of now, my gas tank looks worse than it did before.

What gives? how did all the other youtubers get the rust off?
What you have is surface rust.

You can try using some light weight oil,,,3in1,,,and a couple hand fulls of medium size gravel,,,1/2". Make sure you can get the gravel out of the tank either through the filler hole or the petcock opening.

Put about a cup of oil in the tank with the gravel,,,make sure it is just gravel, no sand or dirt,,,gently swirl the mix all around. Keep doing till the rust is gone. If you shake to hard you can dent tho tank.

Dump out the oil and gravel. Now use a paint thinner to remove the oil and as soon as this dries put the coating chemical in.

Hope this helps.

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post #4 of 7 (permalink) Old 04-19-2017, 08:18 AM
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Ann hollered "Lets Eat" as I was typing last night, so, YES, I finished QUICKLY...

I was going to mention that > The black residue the vinegar leaves from the chemical change of the rust, is harmless...
However, a quick rinse with gas will remove it, then you can coat the tank with your preferred sealer...


Since the 60s when I started buying my own cars, trucks & Bikes, I`ve cleaned tanks on vehicles what have been sitting years...
Very similar to Erics` suggestion, but I use a water hose, gravel/sand then rinse thoroughly...

The 40 gallon tank on the "Magic Bus" was the nastiest I`ve ever seen...
It had sat with ethanol gas in it....


Enjoy the weekend...
Mine starts today!!!

Safe travels HSN,
D
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post #5 of 7 (permalink) Old 04-19-2017, 08:37 AM
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Instead of Red-Kote may I suggest POR-15?

POR-15 Motorcycle Fuel Tank Repair Kit

It chemically treats the tank instead of lining it with something that may or may not peel off in the future.

I did my tank in 2009 and it still looks new today. Also, instead of gravel I used a length of chain purchased at a hardware store.







2004 Spirit 1100
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post #6 of 7 (permalink) Old 04-19-2017, 10:06 AM
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Quote:
Originally Posted by I-AM-TIM View Post
Instead of Red-Kote may I suggest POR-15?

POR-15 Motorcycle Fuel Tank Repair Kit

It chemically treats the tank instead of lining it with something that may or may not peel off in the future.

I did my tank in 2009 and it still looks new today. Also, instead of gravel I used a length of chain purchased at a hardware store.



Chain is a great idea,,,gotta remember that.

Sent from my SM-S920L using Tapatalk

There is nothing like your knees in the breeze!!!


2013 Shadow Phantom

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1995 Suzuki VS800GLS Intruder
1982 Suzuki GS450L


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post #7 of 7 (permalink) Old 04-19-2017, 10:54 AM
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Loose Nuts work well also...
I set the 40 gallon tank and car tanks on an inflated basketball to ease the rotations to scrub the tank innerds...
I just reach into the spare parts bin and grab whatever comes...
Be it screws, bolts, chains or whatever...
BUT them sand & rocks are abrasive, so I`ve leaned toward hardware as my choice anymore...


POR 15 is good stuff!!
We`ve used this as a rust inhibitor on the beds of our Rancheros...
First I`ve known of tank lining POR15...
Thanks @I-AM-TIM


Enjoy the Dragon,
D
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