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Bunches of stuff

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hdoud(at)satx.rr.com
Guest

Posted: Sat Sep 15, 2007 1:59 pm Post subject: Bunches of stuff

Many thanks to all of you Kitfoxers who responded  either to me directly or to the list concerning my question as to why we  Kitfoxers put the firewall blanket on the engine side, instead of on the cabin  side as do GA aircraft manufacturers.     A large number of  builders who responded, have eiher done away with the blanket or have installed  it on the cabin side of the firewall, which makes sense to this old  fart.

  

 Now to another subject.   I guess  everyone who messes with car and airplane engines have heard of Marvel Mystery  Oil.    I'v used it off and on for 50 years.    

  

 I bought an ATV sometime back and through short  trip useage and many starts, the spark plug was carboning up and  fouling.   Most of my use with Marvel, was in the engine oil, for  break-ins and hard useage.   On the container Marvel is also suggested  for the fuel, for upper end lube and cleaning of the cylinders.

  

 I tried it on the ATV and for a coupla weeks, using  the recommended amount in the fuel and it worked super.   The plug  cleaned up, starts were easier and it idled better........But, I started getting  a gasoline puddle under my ATV, coming out of the carb overflow.

  

 Bunches of work, but I pulled the carb, looked at  the float needle and it had turned gummy and was leaking.   So I  installed a new needle and put the works back together.   A week or so  later, I started getting a large fuel puddle under the ATV again.

  

 Earlier, it had worked so well, before getting fuel  leakage under the ATV, I also had put in in my gas for the 582 on my  Kitfox.   Worked great there too, keeping clean plugs and smooth  idling.

  

 I hadn't had the plane out in a coupla weeks and  when I saw the gas puddle under the ATV, I hobbled out to the folded wing,  mini hanger, checked the carbs for leaking and sure enough, there was a large  gas puddle on the floor under the engine.   I was mixing the plane gas  with the premix oil and adding the suggested amount of Marvel Mystery Oil.   

  

 I pulled both carbs and checked the rubber tips on  the float needles and they were deteriorating.  

  

 Not being a real fast thinker, I guess, I cussed to  myself, about the poor quality of tips on the needle valves and how things just  weren't up to the standards of earlier years.

  

 I replaced the Bing needles, and made no changes in  the Marvel oil as it was sure working good in cleaning up the combustion  chanmbers.

  

 A week or so later, I had another gas puddle under  the plane and the ATV was still leaking gas.   Finally the gray mater  lit up and I drained the fuel tanks on both the plane and the ATV and again,  replaced the float needles on the 2 engines.   After I'd used up all  the bad words that I learned from all the bad people I knew,  I hadda start  making up a whole lot of new ones, that I'd like to pass on.... But I can't  spell 'em.

  

 Any way, I changed the 582 over to oil injection  and am using the Marvel in the oil injection system and quit putting Marvel in  the ATV.   It's been several months now and no more fuel leakage from  either engine.

  

 It seems that the Marvel is a good product, if it  not used where it can come in contact with the rubber tips they are now using on  the float needles.  (they all used to be brass tips)   Marvel  sure keeps things cleaned up and seems to work great in the 4 cycle oil  engines,  But beware of mixing with gasoline in the fuel tanks.   

  

 My ATV still fouls plugs, so I buy them buy the  dozen.  If anyon's interested in some old fouled plugs to play with,   I have some real cheap.

  

 Herbert Doud 

 Kitfox IV/582

 New Braunfels, Tx

  

  

  

  

  

  

  

  

  

  

  

   [quote][b]

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dave

Joined: 22 Sep 2006
Posts: 1382

Posted: Sat Sep 15, 2007 2:06 pm Post subject: Re: Bunches of stuff

How many hours do you get out of your 582 plugs by using  Marvel oil ? 



how do you know your 582  is clean inside  ?

Dave

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jcorner(at)shaw.ca
Guest

Posted: Sun Sep 16, 2007 6:35 am Post subject: Bunches of stuff

Herbert.... I am thinking of adding Marvel to my 582 operation, are you using straight Marvel in the injection system or are you adding it to your regular injection oil?  If so in what percentage?



Jim 



Kitfox 2, 582, 

1100+ hrs

Calgary AB



On 15-Sep-07, at 3:59 PM, Herbert Doud wrote:

 	  Quote: 	
		   

Any way, I changed the 582 over to oil injection and am using the Marvel in the oil injection system and quit putting Marvel in the ATV.   It's been several months now and no more fuel leakage from either engine.

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dave

Joined: 22 Sep 2006
Posts: 1382

Posted: Sun Sep 16, 2007 6:45 am Post subject: Re: Bunches of stuff

Can i ask why would you want to add it ? 



I run easy past 300 hours using Bombardier XPS mineral oil and have no reason to need it so far ?

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andynfultz(at)bellsouth.n
Guest

Posted: Sun Sep 16, 2007 4:28 pm Post subject: Bunches of stuff

If the  Mystery Oil is causing damage to the needle tips, I can't help but wonder what  it's doing to the inside of your fuel lines and or oil injection  lines?  

  

 Andy  F.

 [quote]   --

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Float Flyr

Joined: 19 Jul 2006
Posts: 2704
Location: Campbellton, Newfoundland

Posted: Mon Sep 17, 2007 4:43 am Post subject: Bunches of stuff

From what I've read MMO is  mostly Stoddard solvent (Varisol) and lard.  I have no idea what the lard  does for the recipe but I know I don't want Varisol soaking the seals in  the base of my engine.  I might consider using the stuff for the last ten  hours or so before an engine tear down for new seals just to clean things up a  bit for inspection.  sorry guys but I'm with the crowd that is NOT in  favour of additives to gas or oil for planes.

  

 If you are getting too much  carbon in your engine and your oil ratios are correct then you are using the  wrong brand of oil.  Bombardier, the manufacturer's, oil, Pennzoil  air-cooled and "El Cheapo" WallyWorld oil all seem to work well according to the  reports from this and other lists.

  

  

[img]cid:825512212(at)17092007-2356[/img]  

 Noel Loveys, RPP, AME intern

 Campbellton, Newfoundland, 

 Canada

 Kitfox Mod III-A, 582, B box, Ivo IFA

 Aerocet 1100s

 noelloveys(at)yahoo.ca (noelloveys(at)yahoo.ca)

 

 

 



 [quote]   

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Noel Loveys
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