Re: gas in oil, plugs fouling farmall H

Posted by Michael Soldan on February 01, 2005 at 14:42:36 from (66.203.172.221):

In Reply to: gas in oil, plugs fouling farmall H posted by samray on February 01, 2005 at 13:47:14:

Samray,It is not uncommon for fuel to build up in the oil if you have cold weather and the tractor is only used for very short periods of time. If the engine doesn't reach operating temperature, unburned fuel will get into the oil. I am more likely to think that even though you have rebuilt the carb three times that a float that sticks or rubs against the side of the bowl would be the problem. I also had a float that leaked once and it would fill up with gas and go down flooding the engine. I would be inclined to think that even worn rings and a high hour engine should still burn its fuel if the fuel is being delivered with the right amount of air, an engine like that would tend to burn oil and produce blue smoke to no end. When your tractor is running check your exhaust for black smoke and if you see black smoke you know its flooding itself with too rich a mixture. My H was acting up one day and a mechanic friend gave the carb a tap with a wrench and it smoothed right out...float problem. The only way fuel is getting into your oil is through the carburetor, through the manifold and into the cylinders, it is there that unburned fuel gets into the oil. I would change the oil if you can smell gasoline in it, give the tractor a good workout, get it good and warm and then check your oil and plugs. Black smoke should tell the tale...Good luck with it ..Mike in Exeter Ontario

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