oil waxing

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  #1  
Old 01-23-04, 01:32 PM
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oil waxing

Over the years I have noticed the buildup of a white waxy substance on the dipstick of my Snow King engine. I have a new machine this year and found at the two hour oil change the same waxy white material on the dipstick. It is also on the inside of the filler cap. The oil I used was 5-30wt.CastrolGTX.

I decided to go with a full synthetic for the new engine and used 5-30wt Amsoil at the recommended 2 hour change. The engine now has about six hours on it and none of the waxy material is found.

1) Is that waxy substance some kind of protection additive that is not found in synthetics?
2)Is the absence of this substance good or bad for the engine?

Marc
 

Last edited by mml4; 01-23-04 at 02:21 PM.
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  #2  
Old 01-23-04, 06:21 PM
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Any time I've seen white stuff in association with oil its been from water. If you have some condensation and that condensation mixes with oil the result will be white in color. If you change oil to systhetic it may not form the emulsion you are seeing but the moisture may still be there if you have a place for water to get into the engine block.
 
  #3  
Old 01-23-04, 09:21 PM
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This is a standard Tecumseh Snow King as was the last engine. The white substance is very viscous ,actually it is a solid rather than a paste. I can't imagine where the moisture is comming from unless it simply enters through the carb. The fuel is fresh and stabilized. As I said before, I only find this substance in my Snow Blowers. Is it something to be concerned about?/ Is there anything I can do about it?
Marc
 
  #4  
Old 01-23-04, 09:40 PM
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I could see that you could suck fine snow into the carb while using the snow blower. For me that was always the worst thing about being downwind while moving snow, you always seem to get a face full. Your blower can't help but get some as well. Some can end up as moisture in the crank case. It then is mixed with the oil and forms an emulsion. You can also get some condensation inside the crankcase as the case cools after the machine is shut off. Changing to synthetic probably solved the problem. The thing about an emulsion is that it has little lubrication value and it can keep oil from getting to where it should be. Regular oil changes during the season will help keep any buildup of moisture from getting out of hand and a good synthetic should prevent the emulsion.
 
  #5  
Old 01-24-04, 05:11 AM
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Hi Jughead-
Thanks for the help!
Marc
 
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