Mmo

[Greg]

I use it. A typical superstitious sailor here, no bananas aboard either. If Don's a fan, I'm in

Regards, Greg

[romantic comedy]

Does anyone see problems with using MMO in the gas?

[tenders]

That Ampco thing fails the benefit/complexity ratio test for me...and under no circumstances would I put a glass bottle in the engine compartment.

If the lube can't get in via the fuel like a 2-stroke, or via the regular oil in the crankcase, it isn't getting anywhere it needs to be as far as I'm concerned.

[Dromo]

Ampco recommends their plastic or steel container for marine use

[67c&ccorv]

An awful lot of work to go through when all you have to do is drop some in your fuel tank everytime you fill up.

Ok...so I'm lazy.

[hanleyclifford]

The vendor seems to claim that the oiler both lubes and prevents carbon build up around the valves, but how can introducing oil into the combustion chamber not produce oil or carbon residue around the valve guides? The claim is made that valve-to-seat needs lubrication - huh? Seems to me that we already have enough oil getting to the wrong side of the piston rings what with blow by and PCV. There must be something here I'm not getting.

[joe_db]

An engine in good shape does not need MMO IMHO. My last engine was NOT in good shape and it had to have MMO or the valves on #4 would stick. For my new engine I run it every now and then as a preventitive measure, but I don't worry too much if I run out.
In the interests of not carrying 100 different bottles I sometimes wonder if the 2-stroke oil I carry for the outboard would be just as useful. In related MMO news, old low-compression Continental airplane engines frequently get a dose of MMO and TCP lead scavenging agent when the FAA isn't looking to keep the valves from sticking

[Dave Neptune]

The "KISS" rule here

Just something else unnecessary that can fail! The absolute best delivery of anything to the combustion chambers is "in" the fuel as it will be well mixed and there for demand purposes when they are needed not when the "oiler" catches up. Just something to sell IMHO.

Dave Neptune

[joe_db]

If memory serves, this oiler device is likely something from a 1920s era car that came back to life.

[ndutton]

The vendor seems to claim that the oiler both lubes and prevents carbon build up around the valves, but how can introducing oil into the combustion chamber not produce oil or carbon residue around the valve guides?

Here is an excerpt from Don's treatment provided in post #6:

MMO goes through the carburetor with the fuel, enters the combustion chamber, and ignites with the gasoline.

From there, it vaporizes and soaks into any carbon build-up within the combustion chambers (especially in and around the rings and between valve stems and guides). It eventually loosens these build-ups so that the carbon residue can exit through the exhaust system.

The link I posted to Don's discussion of MMO is worth the time to read - all of it. In fact it's good enough that I'll provide it again here to make it easy to find.

http://www.moyermarine.com/forums/showpost.php?p=1884&postcount=1

[Bingy]

Mmo

Hi Mo
Went to partsource store here in Windsor and counter staff stated we would probably never see it in our area.
Too Bad .

[ndutton]

I see an opportunity for an enterprising gray market profiteer. If there's a will there's a way. At Jensen Marine we had East coast (New Jersey) and West coast (Costa Mesa) plants. Parts shipments from the Costa Mesa to New Jersey always included a case of Coors beer, not available at the time East of the Mississippi.

[hanleyclifford]

I see an opportunity for an enterprising gray market profiteer. If there's a will there's a way. At Jensen Marine we had East coast (New Jersey) and West coast (Costa Mesa) plants. Parts shipments from the Costa Mesa to New Jersey always included a case of Coors beer, not available at the time East of the Mississippi.

Uh Neil, aren't we getting a little old to start this kind of stuff?

[thatch]

I'm a big fan of "free shipping" and "no tax", I belong in jail!
Tom

[marthur]

I sometimes wonder if the 2-stroke oil I carry for the outboard would be just as useful

The answer is "yes." That's why I put the leftover dinghy fuel into the tank at the end of the year.