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#1401038 - 03/12/09 04:27 PM ATF in the gas tank
Falcon_LS Offline


Registered: 10/03/08
Posts: 3641
Loc: Kuwait
I've been doing quite a bit of reading about people using ATF in their gas tanks as a "cleaner". A search revealed a member using 2 bottles of ATF with a bottle of MMO, but nothing else is mentioned other than it resulting in smoother idle. Does anybody here happen to do this? Doesn't it cause blue smoke to come out the exhaust or anything like that?
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#1401043 - 03/12/09 04:30 PM Re: ATF in the gas tank [Re: Falcon_LS]
c3po Offline


Registered: 01/24/08
Posts: 3358
Loc: Maryland
MMO might be 1 thing to put in your tank as a Maintenance Dose.

I would not put ATF in your gas tank, this is old school.

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#1401044 - 03/12/09 04:30 PM Re: ATF in the gas tank [Re: Falcon_LS]
xxch4osxx Online   content


Registered: 03/11/09
Posts: 1827
Loc: Cedarbrae, Ontario
Thats a first I have heard of that. I have heard of people putting ATF in the motor oil to help clean deposits in the motor, but in the gas, I don't know about that.
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#1401047 - 03/12/09 04:32 PM Re: ATF in the gas tank [Re: xxch4osxx]
hate2work Offline


Registered: 09/04/08
Posts: 4617
Loc: Western Washington

Where have you read about people doing that?
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#1401052 - 03/12/09 04:38 PM Re: ATF in the gas tank [Re: c3po]
Falcon_LS Offline


Registered: 10/03/08
Posts: 3641
Loc: Kuwait
 Originally Posted By: c3po
MMO might be 1 thing to put in your tank as a Maintenance Dose.


How much MMO per gallon or litre would be a considered a Maintenance Dose?
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#1401054 - 03/12/09 04:40 PM Re: ATF in the gas tank [Re: hate2work]
Falcon_LS Offline


Registered: 10/03/08
Posts: 3641
Loc: Kuwait
 Originally Posted By: hate2work
Where have you read about people doing that?


Read about it here whilst doing a search on Mitsubishi ATF.
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#1401056 - 03/12/09 04:41 PM Re: ATF in the gas tank [Re: Falcon_LS]
c3po Offline


Registered: 01/24/08
Posts: 3358
Loc: Maryland
I think it is something like 4 ounces to 10 gallons.

I would check out the old MMO posts in the fuel additive section.

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#1401067 - 03/12/09 04:54 PM Re: ATF in the gas tank [Re: c3po]
Johnny Offline


Registered: 05/27/02
Posts: 14013
Loc: Retired | Wausau, WI
I think our Amsoil sponsor Gary has said something about this. At least I think it was Gary.

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#1401085 - 03/12/09 05:14 PM Re: ATF in the gas tank [Re: Johnny]
javacontour Offline


Registered: 06/26/03
Posts: 8111
Loc: Illinois
I thought the consensus was that there are very few detergents in ATF. It might make an OK TCL, but not much else.

It's been discussed being used in a crankcase as a cleaner. I don't there is much in it to make it a fuel system or combustion chamber cleaner.

Would it make smoke come out of your tail-pipe? Sure, if you put a quart in a tank of fuel it would be like burning a quart of oil over the full tank distance. You may or may not see blue smoke.
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#1401127 - 03/12/09 05:47 PM Re: ATF in the gas tank [Re: javacontour]
rg200amp Offline


Registered: 02/10/08
Posts: 3130
Loc: Phila,PA
ATF should not be used. Stick to a fuel treatment like redline SI1, techron, amsoil, mmo, ect. . .

Follow the bottles directions for how much to add.
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#1401211 - 03/12/09 07:10 PM Re: ATF in the gas tank [Re: rg200amp]
aaxb970 Offline


Registered: 08/27/08
Posts: 366
Loc: Cambridge. Ontario, Canada
Dumb question but what is MMO?
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#1401212 - 03/12/09 07:13 PM Re: ATF in the gas tank [Re: aaxb970]
Falcon_LS Offline


Registered: 10/03/08
Posts: 3641
Loc: Kuwait
Marvel Mystery Oil.
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#1401214 - 03/12/09 07:15 PM Re: ATF in the gas tank [Re: Falcon_LS]
aaxb970 Offline


Registered: 08/27/08
Posts: 366
Loc: Cambridge. Ontario, Canada
What is it? Never heard or seen it.
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#1401227 - 03/12/09 07:25 PM Re: ATF in the gas tank [Re: aaxb970]
Falcon_LS Offline


Registered: 10/03/08
Posts: 3641
Loc: Kuwait
Here's a link to their website:

 Quote:
Marvel Mystery OilŪ lubricates the entire fuel system-fuel pumps, fuel injectors or carburetors and the top-portion of the cylinders. These are areas, that by design, motor oil does not reach. Using Marvel Mystery OilŪ in your fuel extends the life of these vital components by providing them with lubrication that fuel alone does not provide.
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#1401480 - 03/12/09 11:38 PM Re: ATF in the gas tank [Re: Falcon_LS]
dwendt44 Offline


Registered: 05/17/06
Posts: 3571
Loc: Central Wisconsin
ATF is not made to burn. May help as valve lube, but MMO isn't expensive and IS made to be burned.
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