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09-20-2021, 03:59 PM | #1 |
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Join Date: Sep 2016
Location: Mililani, Hawaii
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Marvel Mystery Oiler
Has anyone ever hooked up a Marvel Mystery Oiler on a Model A that feeds the cylinders through the manifold vacuum? I seen one for sale on eBay and was curious how it works.
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09-20-2021, 04:29 PM | #2 |
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Re: Marvel Mystery Oiler
There are two systems to inject MMO. That, what I use sprays the oil into the cylinders when the vakuum pressure under the carbureter ventury is low. That is when the engine is pushed without any drive work.
The other system, unfortunately I don't remember what it's called, injects oil at high power, that's the better way.
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Beste Gruesse aus Deutschland, Werner Ford Model A, Roadster, 1928 Citroen 11 CV, 1947 Hercules W 2000, 1976; (with NSU-Wankel Rotary Engine), Canadian version |
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09-20-2021, 06:25 PM | #3 |
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Location: Southern Maine
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Re: Marvel Mystery Oiler
Inverse oiler.
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09-20-2021, 10:31 PM | #4 |
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Re: Marvel Mystery Oiler
I'm really not sure how injecting MM oil would be more effective than adding it to the fuel. I've seen it on Model As and its a comment item at a car show. Looks kind of vintage and "cool". MM oil in the fuel has advantages for the carb I'd think that a manifold injector would bypass. Just my thoughts. I have experience with MM oil doing good things for small engines.
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09-21-2021, 04:22 AM | #5 |
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Re: Marvel Mystery Oiler
AMOCO Oiler in Model A Ford |
09-21-2021, 02:22 PM | #6 | |
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Re: Marvel Mystery Oiler
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Quote:
But there is something particularly pleasing to the eye about this old-fashioned MMO metering system, and I think it fits the Model A well. Isn't it?
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Beste Gruesse aus Deutschland, Werner Ford Model A, Roadster, 1928 Citroen 11 CV, 1947 Hercules W 2000, 1976; (with NSU-Wankel Rotary Engine), Canadian version |
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09-21-2021, 08:03 PM | #7 | |
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Re: Marvel Mystery Oiler
Quote:
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09-23-2021, 08:21 AM | #8 |
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Re: Marvel Mystery Oiler
It is a pretty neat looking looking piece. And would be good with ATF for pickling the engine for the off season.
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09-23-2021, 09:36 AM | #9 |
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Re: Marvel Mystery Oiler
I had one on the 8ba in my '39 p/u. Problem was that I couldn't get the glass jar to seal. Made several different gaskets but never could stop it from leaking. Ended up taking it off. Its still on the shelf. Maybe this winter I'll give it another try.
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09-23-2021, 10:59 AM | #10 |
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Re: Marvel Mystery Oiler
A real one.
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09-23-2021, 12:42 PM | #11 | |
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Re: Marvel Mystery Oiler
Quote:
MMO contains synthetic ester oil and isoalkanes as well as cycloalkanes. These attack some plastics. Rubber seals swell and then become brittle.
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Beste Gruesse aus Deutschland, Werner Ford Model A, Roadster, 1928 Citroen 11 CV, 1947 Hercules W 2000, 1976; (with NSU-Wankel Rotary Engine), Canadian version |
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09-23-2021, 01:12 PM | #12 |
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Re: Marvel Mystery Oiler
Tried both. Rubber and cork. Neither would seal completely.
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Making the simple complicated for over 30 years. |
09-23-2021, 05:22 PM | #13 |
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Location: alberta canada
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Re: Marvel Mystery Oiler
OK, so i'm old and stupid, but help me understand.
what is the purpose of injecting the "MMO"? Is it supposed to be injected into the intake manifold while the engine is running? thanks ou |
09-24-2021, 06:20 AM | #14 |
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Re: Marvel Mystery Oiler
It looks weird and looks like it doesn’t belong. I wouldn’t take one as a gift !
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09-24-2021, 08:03 AM | #15 |
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Re: Marvel Mystery Oiler
Old Ugly,
MMO has two great characteristics. The ester oil is extremely temperature stable and supports the boundary lubrication on the valve stems and also the top dead center piston + cylinder. The most important benefit is the addition of detergents. These loosen and burn soot and ash in the combustion chambers and on the valve tulips, spark plugs. Since the old engines always burn a lot of oil and especially simple mineral oils leave behind a lot of residue crust, it is helpful to mix such additives with the gasoline in very small doses. It also dissolves resin deposits etc. in the fuel tank and the pipes.
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Beste Gruesse aus Deutschland, Werner Ford Model A, Roadster, 1928 Citroen 11 CV, 1947 Hercules W 2000, 1976; (with NSU-Wankel Rotary Engine), Canadian version |
09-24-2021, 08:08 AM | #16 |
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Location: Charleston SC
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Re: Marvel Mystery Oiler
What a curious idea, sort of like the oil injector on a two stroke saab
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09-24-2021, 09:40 AM | #17 | |
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Location: alberta canada
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Re: Marvel Mystery Oiler
Quote:
how much would you dump into a full Model a fuel tank? ou |
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09-24-2021, 12:16 PM | #18 |
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Re: Marvel Mystery Oiler
Hi Ugly,
use approximately 1:400. That's 3.5 US fl oz on 11 gallons of fuel. Much more is not necessary and also not helpful.
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Beste Gruesse aus Deutschland, Werner Ford Model A, Roadster, 1928 Citroen 11 CV, 1947 Hercules W 2000, 1976; (with NSU-Wankel Rotary Engine), Canadian version |
09-24-2021, 12:32 PM | #19 |
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Re: Marvel Mystery Oiler
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09-24-2021, 01:18 PM | #20 |
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Re: Marvel Mystery Oiler
The performance of the engine and its idling have remained unchanged.
The spark plug inner insulators are much cleaner. If you peer into the combustion chamber through the plug bores, you can see that all the residues gradually diminish over time. Gerne gemacht!
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Beste Gruesse aus Deutschland, Werner Ford Model A, Roadster, 1928 Citroen 11 CV, 1947 Hercules W 2000, 1976; (with NSU-Wankel Rotary Engine), Canadian version |
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