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09-01-2012, 01:55 PM | #1 |
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marvel mystery oil
Does any body use Marvel mystery oil in there gas? Or anywhere else in there car? Any thoughts on this stuff good or bad?
thanks bob |
09-01-2012, 02:09 PM | #2 |
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Re: marvel mystery oil
Look for previous posts about MMO. I've used it and had great results.
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09-01-2012, 02:24 PM | #3 |
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Re: marvel mystery oil
Every fill up Good stuff been around since 1923!!!
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09-01-2012, 02:27 PM | #4 |
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Re: marvel mystery oil
I agree with those above, it is good stuff. Not only are you providing top end oil (valve stems and top combustion ring, but you now have a coating of oil inside you gas tank to help prevent rust.
Ron/IA
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09-01-2012, 02:29 PM | #5 |
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Re: marvel mystery oil
i use 4 oz per 10 gal of fuel and 1 qt in the oil at oil change , i have a filter so i need 5 qts at every change i use 40w all year long in my 4 flathead v/8s, and heaven forbid, i change the oil every 5000 miles, for you guys that still have and read the owners manual that was given with the car when new that says change every 500 miles, i save $150 more on one oil change over what you spend in 5000 miles , i save 10 oil changes, it adds up , and yes i have over 45000 on one engine and several thousand on the others, AND no problems
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09-01-2012, 02:32 PM | #6 |
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Re: marvel mystery oil
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BUT, if it makes you feel better to use it, well, feeling better is a good thing isnt it? |
09-01-2012, 02:40 PM | #7 |
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Re: marvel mystery oil
So turn the coin over and you have no proof that it doesn't help. I would say that the testimonial of several people with nothing to gain would be a great start at some kind of proof. being around since 23 suggest that must be some new fangled snake oil.
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09-01-2012, 02:54 PM | #8 |
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Re: marvel mystery oil
When my engine was freshly rebuilt the valves would get noisy when it got hot, most likely valve to guide clearance. A shot of MMO in the carb while running instantly quieted them. If nothing else it is a good upper cylinder lube. It smells good too!
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09-01-2012, 03:38 PM | #9 | |
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Re: marvel mystery oil
Quote:
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09-01-2012, 03:47 PM | #10 |
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Re: marvel mystery oil
i'll agree with it smelling good .
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09-01-2012, 04:09 PM | #11 |
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Re: marvel mystery oil
I use it with every fill up (4oz for 10 gal) and when I change my oil, the first quart is MMO then regular oil. I've also used it over the years to free bolts, nuts, and anything that sticks. In the past I've pulled my plugs and squirted some down the cylinders, let it sit for a few days...works wonders.
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09-01-2012, 04:29 PM | #12 |
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Re: marvel mystery oil
4 oz EVERY fill up....18.4 MPG..thank you
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09-01-2012, 04:49 PM | #13 |
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Location: Alabama
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Re: marvel mystery oil
I use it in the gas and oil. It has a detergent effect and keeps the inside of the engine clean.
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09-01-2012, 05:00 PM | #14 |
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Re: marvel mystery oil
Before i put the "A' away i put some in the gas and let it coat the inside of the carb. And by using this stuff remember to clean off the spark plugs.
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09-01-2012, 05:13 PM | #15 |
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Re: marvel mystery oil
I can't imagine someone NOT using MMO in their Model A gas tank at each fill up.
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09-01-2012, 05:42 PM | #16 |
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Re: marvel mystery oil
MMO is good stuff I've used it in a siezed up chainsaw after we got flooded run like atop now. Great stuff I'll mix it in my Model A.
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09-02-2012, 11:29 AM | #17 |
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Re: marvel mystery oil
Not sure if this is the cure or not, however...
I live on top of a ridge, and both roads down are fairly steep. Going down hill, the A is in second and using engine braking all the way. Used to be that the car would lunge now and then, maybe 5 times on the down hill as if one of the cylendars didn;t "inhale" enough on a stroke. I started adding MMO tot he fuel and that almost totally stopped now. Maybe it freed up the valves a little? Maybe not. I still have to richen the GAV 1/2 turn or so on the downhill to keep carb from popping though. |
09-02-2012, 12:36 PM | #18 |
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Re: marvel mystery oil
I don't think the stuff would still be around if it didn't have some merits...
I like to add it to the fuel-tank, particularly in L-head, and splash-lubricated engines, for additional upper-cylinder lubrication. Also for engines that have been dormant for a long time.... I have wondered for years if the odor of MMO comes from the inclusion of oil of wintergreen, which has interesting solvent properties... Last edited by Special Coupe Frank; 09-02-2012 at 02:39 PM. |
09-02-2012, 02:30 PM | #19 |
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Re: marvel mystery oil
i like it to keep the carbon off the pistons , valves , etc .................
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09-02-2012, 02:36 PM | #20 |
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Re: marvel mystery oil
I always put a little in my antique cars gas tank with a fill up its supposed to help a little with the unleaded gas. A friend of my fathers has taken a teaspoon full every
day since the 1920's and claims it keeps him regular, he's in his mid 90's now and still hitting on all cylinders..go figure one more use of the stuff. |
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