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mark.bitterlich(at)navy.m
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 Posted: Tue Feb 12, 2013 11:08 am Post subject: Valve Guide Reaming |
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MMO = Marvel Mystery Oil. Top end lubricant with many qualities that
have been the subject of some heated debates in the past on this forum.
I believe the achieves would contain quite a volume on the topic.
Sticky exhaust valves symptoms can run the gamut from having low
differential compression readings on the cylinder, to an actual "felt
miss". Usually the valve will stick partially open.
When the valve does stick partially open, the very hot exhaust gases
will escape past the valve seat and into the exhaust. This will
eventually erode the valve seat to where the valve will not seal at all,
even if you do manage to allow it to close. At this point, the valve
must be ground to resurface the seal, or in some cases the whole
cylinder must be replaced and/or repaired. It's kind of a bad thing.
Valve sticking is USUALLY caused by lead deposits on the valve. The
lead in the fuel is in a gaseous state after combustion. As the exhaust
valve opens, that gas is exposed to cooler temperatures, which can cause
it to "condense" (per se) on the cooler metal of the valve stem and/or
the exhaust path itself. This is the grey substance that you typically
see on the inside of exhaust stacks on your engine.
The idea is that by adding MMO to your fuel, it tends to keep the lead
from sticking to the exhaust stem and other areas. Whether it actually
does this is up for debate. Personally, it seems to have worked very
well for me.
Putting it in the OIL is an attempt to use it to break loose things that
are "stuck" as it also supposedly acts as a solvent. Again, I think it
works very well in that regard, others disagree.
Best of Luck,
Mark Bitterlich
p.s. There are other commercial products that can be added to fuel in
an attempt to keep the lead from being deposited on valves. Not cheap
by the way.
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cjpilot710(at)aol.com
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| Posted: Tue Feb 12, 2013 1:50 pm Post subject: Valve Guide Reaming |
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MMO or Marvel Mystery Oil, is a magic fluid sent down by the aviation gods to mechanics to cure all ills. It is good pimples, ache, sterility, sticky valves (all kinds), and is particularly tasteful mixed with bourbon and water. It just happen to perform miracles mixed with gasoline or oil that has been fucked up by the EPA. It has been know to give pilots a sense of serenity over vast bodies of water, swamps, mountains, or at night. Next to the navigator's sextant (which lead to the GPS), MMO has been responsible for continued advancement of aviation. It good stuff.
Pappy
In a message dated 2/12/2013 2:01:43 P.M. Eastern Standard Time, dsavarese0812(at)bellsouth.net writes:
| Quote: | --> Yak-List message posted by: "A. Dennis Savarese" <dsavarese0812(at)bellsouth.net>
Good question. Marvel Mystery Oil.
Dennis
A. Dennis Savarese
334-285-6263
334-546-8182 (mobile)
www.yak-52.com
Skype - Yakguy1
On 2/12/2013 12:23 PM, Andrew Park wrote:
| Quote: | --> Yak-List message posted by: Andrew Park <andrew.park(at)xtra.co.nz>
Hate to sound inexperienced but what is MMO, what does it do, where can I get it and what are the symptoms of a sticking Ex valve?
Andrew Park
New Zealand
[b]
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William Halverson
Joined: 27 Feb 2010
Posts: 88
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| Posted: Tue Feb 12, 2013 3:13 pm Post subject: Valve Guide Reaming |
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Speaking of bourbon, has anyone used KROIL?
Similar smell to MMO as I recall.
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viperdoc(at)mindspring.co
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| Posted: Tue Feb 12, 2013 4:25 pm Post subject: Valve Guide Reaming |
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Bichlorobenzene. That is the reason for it's aromatic smell.
Doc
Sent from my iPad
On Feb 12, 2013, at 5:10 PM, "William Halverson" <william(at)netpros.net> wrote:
[quote]
Speaking of bourbon, has anyone used KROIL?
Similar smell to MMO as I recall.
--
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viperdoc(at)mindspring.co
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| Posted: Tue Feb 12, 2013 5:45 pm Post subject: Valve Guide Reaming |
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Also very useful for ridding your garage of those pesky neighborhood cats that leave those tiny little paw prints all over your new sports car. A shot of MMO delicately instilled up the cats ars is guaranteed to launch that pesky tabby with a purple hazed aromatic flatulence never to seen in your garage again. Don't worry the red stain fecal matter left by the launching Tom Kitty wipes right off after it launched in full purple blower! The neighbors are still trying to figure out why their cat's sphincter is so slick and loose?!
Excerpt from 101 Ways To Use MMO
Disclaimer: No fictitious neighborhood cats were harmed by this misadventure...for the Tom Kitty that is. Do not try this as an untrained Tom Kitty deep 6 shooter. Only Viper Drivers trained in the art of "guns and knives in the phone both with Tom Kitty's" should venture to make these cat lip shots!
Here Kitty Kitty.
;^))
Doc
Sent from my iPad
On Feb 12, 2013, at 12:59 PM, "A. Dennis Savarese" <dsavarese0812(at)bellsouth.net> wrote:
| Quote: |
Good question. Marvel Mystery Oil.
Dennis
A. Dennis Savarese
334-285-6263
334-546-8182 (mobile)
www.yak-52.com
Skype - Yakguy1
On 2/12/2013 12:23 PM, Andrew Park wrote:
>
>
> Hate to sound inexperienced but what is MMO, what does it do, where can I get it and what are the symptoms of a sticking Ex valve?
>
> Andrew Park
> New Zealand
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