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#3392971 - 06/09/14 11:37 AM Re: Scotty Kilmer: Don't use MMO! [Re: Mephy]
kschachn Offline


Registered: 12/26/05
Posts: 2341
Loc: Upper Midwest
Why would you think that? Is that a manufacturer's claim for the product?

Originally Posted By: Mephy
I use it in the fuel sometimes.

The ratio is very lean 1:800.

I think the main beneficial effect is that better the atomization of fuel.

I do not believe higher dosage will do better.

I see It just as fuel conditioner.
_________________________
1994 BMW 530i, 186K
1996 Honda Accord, 200K
1999 Toyota Sienna, 301K
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#3393807 - 06/10/14 09:28 AM Re: Scotty Kilmer: Don't use MMO! [Re: kschachn]
Mephy Offline


Registered: 04/01/08
Posts: 278
Loc: Toronto
Originally Posted By: kschachn
Why would you think that? Is that a manufacturer's claim for the product?

Originally Posted By: Mephy
I use it in the fuel sometimes.

The ratio is very lean 1:800.

I think the main beneficial effect is that better the atomization of fuel.

I do not believe higher dosage will do better.

I see It just as fuel conditioner.


No,

from my experience, I have better combustion.

I can see from the mileage, the performance of the car and the cleanliness of the exhausting pipe.
_________________________
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#3397046 - 06/13/14 10:39 PM Re: Scotty Kilmer: Don't use MMO! [Re: MileHigh18]
friendly_jacek Offline


Registered: 05/04/03
Posts: 5114
Loc: southeast US
Originally Posted By: MileHigh18
I usually watch Scotty Kilmer on YouTube, and noticed he commented that you shouldn't use MMO in a modern car because it ruins the catalytic converter. Is there any truth to this?


Yes. 1000 ppm P. P poisons cat converter.

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#3397203 - 06/14/14 06:56 AM Re: Scotty Kilmer: Don't use MMO! [Re: friendly_jacek]
dave5358 Online   content


Registered: 04/25/13
Posts: 484
Loc: North Bend
Originally Posted By: friendly_jacek
Originally Posted By: MileHigh18
I usually watch Scotty Kilmer on YouTube, and noticed he commented that you shouldn't use MMO in a modern car because it ruins the catalytic converter. Is there any truth to this?

Yes. 1000 ppm P. P poisons cat converter.

If you check the FAQ on the MMO Website it says:

Q: Will MMO cause any damage to oxygen sensors, fuel sensors or catalytic converters?

A: No. MMO has undergone rigorous testing to ensure the safety of all internal components in your vehicle including highly-sensitive oxygen sensors, fuel sensors and catalytic converters.
_________________________
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#3397381 - 06/14/14 12:20 PM Re: Scotty Kilmer: Don't use MMO! [Re: dave5358]
friendly_jacek Offline


Registered: 05/04/03
Posts: 5114
Loc: southeast US
Originally Posted By: dave5358
Originally Posted By: friendly_jacek
Originally Posted By: MileHigh18
I usually watch Scotty Kilmer on YouTube, and noticed he commented that you shouldn't use MMO in a modern car because it ruins the catalytic converter. Is there any truth to this?

Yes. 1000 ppm P. P poisons cat converter.

If you check the FAQ on the MMO Website it says:

Q: Will MMO cause any damage to oxygen sensors, fuel sensors or catalytic converters?

A: No. MMO has undergone rigorous testing to ensure the safety of all internal components in your vehicle including highly-sensitive oxygen sensors, fuel sensors and catalytic converters.


I don't know how they "tested" and I don't care what they say.
Facts speak for themselves. The damage could be slow and may take more than 100,000 miles to declare itself.

If one has to have add things to gasoline, there are things that don't have sulfur or phosphorus.

I'm not bashing MMO, I use it for piston soaks when needed.

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#3397390 - 06/14/14 12:35 PM Re: Scotty Kilmer: Don't use MMO! [Re: MileHigh18]
demarpaint Offline


Registered: 07/03/05
Posts: 20767
Loc: NY
I had a little over 212,000 miles when I junked my Aerostar. I used MMO in the gas since I bought it with about 50K miles on it. It went to the junk yard with the original CC and 02 sensor. My 88 E-150 was fed MMO via an inverse oiler since it was about 6 months old, I think. The original CC is still in there as well. I did change the 02 sensor although it wasn't needed. I've used it in the gas in other vehicles as well since the mid 70's. Honestly I believe them when they say is is CC and O2 sensor safe. Opinions vary.
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#3397463 - 06/14/14 03:11 PM Re: Scotty Kilmer: Don't use MMO! [Re: friendly_jacek]
dave5358 Online   content


Registered: 04/25/13
Posts: 484
Loc: North Bend
Originally Posted By: friendly_jacek
I don't know how they "tested" and I don't care what they say.
Facts speak for themselves. The damage could be slow and may take more than 100,000 miles to declare itself. If one has to have add things to gasoline, there are things that don't have sulfur or phosphorus.

Per the administrator over at MarvelMysteryOil.com the sulfer content is 1.6ppm. Gasoline in California is 30ppm sulfur; in the rest of the country it may be as high as 300ppm. MMO suggests not using their products in diesel engines build after 2007 - which engines are designed to use super-low sulfur (15ppm) fuel. The concern is that it might affect the vehicle's warranty - nothing else.

The phosphorous is Tricresyl Phosphate, an organophosphate - a very good AW/EP additive, which is also in most motor oils. The TCP content is slightly higher than most motor oils, but given the low MMO fuel additive rate, it's unclear why this would have an adverse effect (or any effect) on the cat.

If using MMO takes 100,000 miles to 'declare itself', you've probably gotten your money's worth out of your catalytic converter. Failures at that mileage are common, out of warranty and have nothing to do with using MMO or not.

'Failure' is a slippery term - it many cases all that has happened is that the vehicle throws a P0420 CEL code. Several things can cause this, including oxygen sensor issues. But, dealers love to replace parts. Replacing a catalytic converter, whether it needs it or not, probably wins them a prize! To the extent it really is the catalytic converter issue, you might Google 'citrus clean catalytic converter'.
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2008 Corolla LE

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#3397510 - 06/14/14 04:24 PM Re: Scotty Kilmer: Don't use MMO! [Re: MileHigh18]
Triton_330 Offline


Registered: 12/24/13
Posts: 282
Loc: Illinois, USA
Albeit I'm joining in on this discussion a bit late in the game... BUT... here's my 2 or 3 cents anyways.

One thing that hasn't yet been stated, and that IMO is important is... where you get your gas from! I live in a town where the only two gas stations are Casey's gas. The good old boys down at Oreilly's (in a town 12 miles away), as well as the guys at Autozone (in another town 14 miles away) will both tell any customer how BAD Casey's gas is. It's absolutely one of the worst gasses of the quote unquote bad gas stations. One guy at Oreilly's told me he ran Casey's gas once in his mustang (where normally he uses BP) and that just that one fill up alone made his car feel sluggish and ran badly. A later fill up at BP solved the problem. SO, what's my point? Do I think MMO is good? Simply put, MMO, or even other additives like STP gas additive, or those other better ones like Techron, all will help the fuel quality of bad gas, no doubt about it. How do I know. Well, some nay-sayers may not think a simple anecdotal piece of evidence stands to represent any meaning at all, but I ignore them. My F-150 runs smoother with BP, and I try to get it when I'm out of town, but when I have to fill up in town with Casey's, you'd better believe I'm going to throw in some kind of fuel additive, regardless of brand. With that being said, some of my favorites are Techron, STP, Gumout, MMO, and Regane. *Cough* but definitely not Lucas! Call whatever fallacy as you might, but I know from firsthand experience that MMO DOES help with bad quality gas.

The uncertainty of whether my cat will become clogged up by using MMO mixed with bad gas... Heck, I just don't care. All I care is that my butt dyno tells me that running MMO with Casey's gas does help. Nonetheless, straight up BP gas (without any additive) still makes my truck run better than Casey's gas with MMO (or anything else). But, in a small country town with only Casey's, it's difficult getting better gas unless I'm out of town.
_________________________
'01 F-150 5.4L ~ 120k mi.
- Mag 1 syn 5w-30 w/MC filter
'89 Camaro RS 305 ~ 47k mi.
- PYB 5w-30 w/AC Delco filter

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#3398398 - 06/15/14 07:28 PM Re: Scotty Kilmer: Don't use MMO! [Re: MileHigh18]
morris Offline


Registered: 08/24/08
Posts: 3665
Loc: ks, wichita
"compression fitting" NOT on my TWK. i have been using MMO for 30 years but Don cant tell when ill have my first fail!!!!

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#3435519 - 07/25/14 04:44 PM Re: Scotty Kilmer: Don't use MMO! [Re: MileHigh18]
webfors Online   content


Registered: 06/06/06
Posts: 3603
Loc: Ottawa
MMO and Stabil in all my gas storage and small engines has resulted in gas that can go a year and start on the first or second pull. I never drain the gas for long term storage, do not fog the cylinders, and keep the carb bowl full. I can go outside right now and start my snowblower with one pull. Want a video? lol

What does that mean? No hassles.

Friends that don't have a similar regiment are calling their small engine mechanic almost yearly to get them running again. That's a massive hassle in my opinion.
_________________________
08 Forester 5mt, Edge 10w30, XG7317
13 Dodge GC, VWB 5w20/10w30 mix, PClassic OF
13 Suzuki SFV650, OEM 10w40, OEM OF
All small engines; RT5 10w30

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#3435669 - 07/25/14 07:17 PM Re: Scotty Kilmer: Don't use MMO! [Re: dave5358]
Trav Offline


Registered: 11/20/06
Posts: 9183
Loc: MA, Mittelfranken.de
Originally Posted By: dave5358
Per the administrator over at MarvelMysteryOil.com the sulfer content is 1.6ppm. Gasoline in California is 30ppm sulfur; in the rest of the country it may be as high as 300ppm.

If the numbers are correct i cant see how this can cause a sulfur issue.
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#3435759 - 07/25/14 08:27 PM Re: Scotty Kilmer: Don't use MMO! [Re: Trav]
dave5358 Online   content


Registered: 04/25/13
Posts: 484
Loc: North Bend
Originally Posted By: Trav
Originally Posted By: dave5358
Per the administrator over at MarvelMysteryOil.com the sulfer content is 1.6ppm. Gasoline in California is 30ppm sulfur; in the rest of the country it may be as high as 300ppm.

If the numbers are correct i cant see how this can cause a sulfur issue.

There is no sulfur issue with MMO, except in the particular case of the low-sulfur diesels mentioned above.
_________________________
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2008 Corolla LE

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