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10-24-2018, 01:13 PM | #1 |
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Gas Tank Rust - MMO, 2 Cycle Oil
Hope I am not opening a can of worms .
Met a guy in his 80s yesterday, turned out he has been driving As since he was old enough to drive. Our conversation turned to rust in gas tanks. He mentioned his advice was to get as much of the rust out of the tank as possible. Then run either Marvel Mystery Oil or 2 cycle oil in the gas. Adding either would either completely stop or really slow down further rusting inside the tank, by slightly coating the inside of the tank and keeping air from the rusting process. There probably is no way to positively prove his claims. Adding to the gas will cause no harm. Think he has a valid point? |
10-24-2018, 02:08 PM | #2 |
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Re: Gas Tank Rust - MMO, 2 Cycle Oil
Yes.that is why its first name is Marvel,derived from the word marvelous.Aptly named by turn of the century seamstresses in sweat shops who liked the smell of the sewing machine oil ."That marvelous oil"I think it is marvelous in my '37 Ford tank,something needs to nullify the ethanol issues .
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10-24-2018, 02:46 PM | #3 |
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Re: Gas Tank Rust - MMO, 2 Cycle Oil
When asked what was in the machine oil; "It's A Mystery"
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10-24-2018, 07:27 PM | #4 |
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Location: Eastern Tennessee
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Re: Gas Tank Rust - MMO, 2 Cycle Oil
.
Ok, lets play this game for a moment. When you want to clean grease or oil from something, what is one of the best degreasers to use? You guessed it, ...gasoline. So, at what strength ratio of MMO vs. Gasoline do you feel would be enough to overcome the degreasing action of the gasoline? So the next question I would have is when you have rust inside the tank, generally where is it located? Most will say it is the bottom (floor) of the tank however when we cut them open, we generally always find it is the roof of the tank that is mostly rusted and not the floor as much. So when the tank is full of fuel, I can see where it has a slim chance of coating the roof metal with the MMO however as soon as the fuel level drops when the engine is consuming it, you have exposed sheetmetal again. When bare metal gets exposed to oxygen, we all know what happens. Oh by the way, have you ever thought about what additives these fuel companies brag about putting in the fuel?? I think their word is 'Oxygenizers". Sounds like the perfect mix for forming rust, ...even if the sheetmetal is fully submerged with fuel. Just some food for thought.... . |
10-25-2018, 08:59 AM | #5 | |
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Re: Gas Tank Rust - MMO, 2 Cycle Oil
Quote:
Comments above |
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10-25-2018, 03:46 PM | #6 |
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Re: Gas Tank Rust - MMO, 2 Cycle Oil
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The old cars run great with it in the gas tank. I'll keep using it. Just bought a gallon jug at Farm and Fleet. |
11-01-2018, 12:25 PM | #7 | |
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Re: Gas Tank Rust - MMO, 2 Cycle Oil
Quote:
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11-01-2018, 08:40 PM | #8 |
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Location: Eagle Bend, MN
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Re: Gas Tank Rust - MMO, 2 Cycle Oil
I think the best thing to do to keep the tank as nice as possible is to fill the tank full with non-ethanol gas for the winter. A half empty gas tank will develop a lot of water over the winter due to condensation. Also use a replaceable fuel filter.
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