Marvel Mystery Oil

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Model T Ford Forum: Forum 2013: Marvel Mystery Oil
Top of pagePrevious messageNext messageBottom of page Link to this message  By CharlesHebert on Monday, June 24, 2013 - 10:03 am:

I have always heard that adding a few drops of Marvel Mystery Oil to the gas tank in the old T will make it run better. Any truth to this or is it an old tale ?


Top of pagePrevious messageNext messageBottom of page Link to this message  By Seth from NC on Monday, June 24, 2013 - 10:32 am:

I usually put in an ounce or two in the tank every time I fill up. It's not a stark difference, but I think it does smooth things out a little. Just plain, straight gas seems to run just a little harsher and hotter. The difference seems like adding a 1/4 turn on the mixture, but you don't actually change anything. I have no actual data to back this up (there's a neat idea Tulsa club!), but can only share the impression I have. It may just be placebo effect and nothing is different.

The other place that you are supposed to notice is in the valves - ie a motor run to the point of needing to be rebuilt without MMO will have valves and valve guides worn worse than one that ran MMO. The MMO in the gas is supposed to help lube the valves.

When I change my oil I start with 1 quart of MMO, then fill up the rest of the way with 10w30. I don't know how much that 1 quart changes things but it smells really good and I like the way the used oil/MMO mixture feels between my fingers. It also makes a really cool cloud in the gas tank if I forget to add it before I fill up. LOL


Top of pagePrevious messageNext messageBottom of page Link to this message  By Mike Walker, NW AR on Monday, June 24, 2013 - 10:59 am:

I put in a couple of ounces with each fill-up. I was having trouble with a sticking float valve in the carb, and that problem went away when I began using a little MMO in the gas.

Scientific proof? I have none.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Bob Jablonski on Monday, June 24, 2013 - 11:46 am:

Of all the additives since 1927 ( Marvel Mystery Oil ) , MMO may be the only one still being offered.

I add MMO to the gas, and have since 1980 when we purchased our '50 Buick..... even in my '07 Volkswagen Rabbit, smooth running and keeps injector spray efficient. IMHO .


Top of pagePrevious messageNext messageBottom of page Link to this message  By Will Copeland - Trenton, New Jersey on Monday, June 24, 2013 - 12:15 pm:

I use it in the spring and fall to help lube everything.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Fred Dimock, Newfields NH, USA on Monday, June 24, 2013 - 12:29 pm:

OH NO ! Here we go again! :-)

I use MMO for a lot of things.
I spray it on the bottom of my T and put a thin coat on the fenders and hood to stop rust.
I put a little in the gas when I remember.
I agree with Seth - It sure smells good but I have to admit I never felt it between my fingers on purpose.

When I mention MMO at work one of the older gentlemen just raises his eyebrows and gives me an all knowing look while a young kid just stares at me - clueless.

So the Marvelous results of MMO remain a Mystery.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Hal Davis-SE Georgia on Monday, June 24, 2013 - 12:57 pm:

I use it in my air tools.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Hal Schedler, Sacramento on Monday, June 24, 2013 - 01:08 pm:

Hal....Me too


Top of pagePrevious messageNext messageBottom of page Link to this message  By Jim Patrick on Monday, June 24, 2013 - 01:53 pm:

Never heard of MMO used in the gas and oil. 1 oz per 10 gallons of gas or 2 oz per 10 gals?? Learned something new today. How much MMO in the oil? Thanks. Jim Patrick


Top of pagePrevious messageNext messageBottom of page Link to this message  By Charlie B actually in Toms River N.J. on Monday, June 24, 2013 - 01:56 pm:

I can see it possibly doing some thing as far as the carb & intake valve goes. After that it's just smoke out the tail pipe.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Seth from NC on Monday, June 24, 2013 - 01:57 pm:

Hey Jim, it has directions on the bottle. If I remember correctly you can substitute up to 1 quart of MMO for 1 quart of regular oil in every 4 quarts. So if your engine holds 4 quarts, you would use 1 quart MMO and 3 quarts oil. That's what I do in my speedster - except that I also use regular oil for the last 1/2 quart.

1 QT MMO, 3.5 QTs 10w30.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Jim Patrick on Monday, June 24, 2013 - 02:24 pm:

Thanks Seth. I think my T is due for an oil change, since the last time I changed it was December 2010, so I will add a quart of MMO with 3 quarts of 5W30 detergent oil, I have about 5 gals of regular, non ethylene gas left in my tank, so while I'm at it, I'll add an ounce of MMO to the fuel tank as well. Jim Patrick


Top of pagePrevious messageNext messageBottom of page Link to this message  By Ken Kopsky, Lytle TX on Monday, June 24, 2013 - 02:28 pm:

If it makes you feel better, use it. :-) It does nothing for the oil except thin it with solvent and lower the flash point. Can't think of how it might help in the gas except to raise the level in the tank.

Here's the content portion of the MSDS.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Charlie B actually in Toms River N.J. on Monday, June 24, 2013 - 02:33 pm:

I don't think I'd use a quart Jim especially with 5w-30. That stuffs going to be awfully thin. Florida heat to consider too. If you simply must though why not just follow the directions on the can.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Dick Lodge - St Louis MO on Monday, June 24, 2013 - 02:36 pm:

I have always maintained that the name alone is reason enough to use the stuff.... :-)


Top of pagePrevious messageNext messageBottom of page Link to this message  By Anthonie Boer on Monday, June 24, 2013 - 02:44 pm:

Dick : weet jij ook of dat [Mystery] olie ook in Nederland te koop is.
BTW. We staan nu geladen om morgen met de T-Ford voor een week naar Frankrijk te gaan .Het aller beste en groeten vanuit Holland .
Toon


Top of pagePrevious messageNext messageBottom of page Link to this message  By keith g barrier on Monday, June 24, 2013 - 03:10 pm:

A little bit with a jigger of Jack Black and it goes down smooth! KB


Top of pagePrevious messageNext messageBottom of page Link to this message  By A. J. "Art" Bell on Monday, June 24, 2013 - 03:42 pm:

Wow – That’s the kindest reception (so far) that MMO has ever received on this forum . . .

I used it for years on an 1980 F150 4x4 V8, purchased new and broken in on gas
but switched to propane at 10000 miles. Propane is notorious for being a clean fuel,
but is lacking when it comes to engine top end lubrication. A Marvel ‘inverse oiler’
set for a ‘very light’ feed of MMO, and that engine ran as smooth, clean and quiet at
80000 miles as it did when it was new. I sold the truck in 2001, but still occasionally
seen it (rust and all) running around the city for quite a few years after.
Still have a couple of the empty 5 gal MMO pails as they have an antique-ish look to them.

ATF might have worked as well, but the point is that the MMO seemed to work quite well.
or at the very least it caused no harm.



Regards
Art


Top of pagePrevious messageNext messageBottom of page Link to this message  By Bob Jablonski on Monday, June 24, 2013 - 03:50 pm:

Art:

Have the same 2 quart inverse oiler.... and besides, gives the exhaust a better "odor" . LOL


Top of pagePrevious messageNext messageBottom of page Link to this message  By keith g barrier on Monday, June 24, 2013 - 04:03 pm:

Truthfully I gave up Jack Black and MMO many years ago along with smoking and other bad habits. KB


Top of pagePrevious messageNext messageBottom of page Link to this message  By A. Gustaf Bryngelson on Monday, June 24, 2013 - 04:16 pm:

I use BelRay 2 cycle oil, it does wonders for problems caused by varnish in the gas. I think that you get a bit of top end lub with it, and that is something that has been missing since the rate of autism has gone up (could it be possible that autism is caused by a lead deficiency?)


Top of pagePrevious messageNext messageBottom of page Link to this message  By Fred Dimock, Newfields NH, USA on Monday, June 24, 2013 - 04:25 pm:

I agree with Dick Lodge --

"I have always maintained that the name alone is reason enough to use the stuff..." :-)


Forget the techy stuff -- It's a Marvelous Mystery!


Top of pagePrevious messageNext messageBottom of page Link to this message  By Dick Lodge - St Louis MO on Monday, June 24, 2013 - 04:30 pm:

Toon, zo te zien van hun website is die olie niet in NL verkrijgbaar.

Veel plezier in Frankrijk!

Dick


Top of pagePrevious messageNext messageBottom of page Link to this message  By Richard Wolf on Monday, June 24, 2013 - 07:33 pm:

Come on Dick, you can talk plainer than that. LOL


Top of pagePrevious messageNext messageBottom of page Link to this message  By Hal Davis-SE Georgia on Monday, June 24, 2013 - 07:56 pm:

I was waiting for Dick to chime in on this. I love that line!


Top of pagePrevious messageNext messageBottom of page Link to this message  By ken bechtel on Monday, June 24, 2013 - 08:09 pm:

If nothing else, your valve guides will thank you for that shot of MMO.


Top of pagePrevious messageNext messageBottom of page Link to this message  By P. Jamison on Monday, June 24, 2013 - 08:21 pm:

The smell-good part of MMO is Methyl Salicylate (oil of wintergreen). It has many useful properties. I think they used wintergreen in WWII as a penetrating solvent. Read about it here:

http://en.wikipedia.org/wiki/Methyl_salicylate

Phil


Top of pagePrevious messageNext messageBottom of page Link to this message  By Roar Sand on Monday, June 24, 2013 - 08:43 pm:

Art,
Fifty-some years ago I bought a Judson supercharger for my dad's VW Beetle, and the kit came with one of those inverse oilers. I think it was in order to lubricate the vanes in the supercharger. Inverse meant it wold put in more oil when the engine was under heavier load, - as in lower manifold vacuum.
It did put more scoot in the Bug, but opening it up climbing hills caused the clutch to slip, and changing the clutch was more that we wanted to get into at the time.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Dick Lodge - St Louis MO on Monday, June 24, 2013 - 10:46 pm:

Richard, Toon asked me if MMO was available in the Netherlands and I told him that, according to the company's website, it isn't. I generally add a translation of the occasional stuff I post in Dutch if it is of general interest, but this didn't seem important enough to warrant it.

I'm sure my post was plain enough for Toon.... :-)


Top of pagePrevious messageNext messageBottom of page Link to this message  By Dennis Halpin on Monday, June 24, 2013 - 11:41 pm:

"I put in a couple of ounces with each fill-up. I was having trouble with a sticking float valve in the carb, and that problem went away when I began using a little MMO in the gas. Scientific proof? I have none."

Same problem, same solution with mine, Mike :-)


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