Re: gas in my oil!!!!

Posted by Janicholson on September 15, 2005 at 13:04:26 from (199.17.6.175):

In Reply to: Re: gas in my oil!!!! posted by Peabody on September 15, 2005 at 12:40:24:

Dear Peabody,
The fuel will leak into the carb through jets, fill the intake manifold to the top, run into the cylinders through the open intake valve, and seep past the closed valves. From the cylinder it drains down the rings and fills up the crankcase. This continues until the level of fuel in the tank reaches equilibrium with the level of the intake tract/manifold.
Tractors should never be left with the fuel valve on due to this possibility. If cranked, they can suck slugs of fuel into the cylinder/s and (because it doesn't compress, it can bend rods, break cranks, force out head gaskets, and do mayhem. In addition to allowing metal to metal contact at the rings and bearings. It isn't majic, it is gravity.
I own a 350ute, and Ive seen it twice. Once educated me, and the other educated my dad. We were lucky not to dammage the engine.
JimN

Follow Ups:

• Re: gas in my oil!!!! Peabody 18:18:19 09/15/05 (0)

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