Posted by IAtractorKid on April 27, 2014 at 06:32:07 from (184.97.55.91):
Ok guys, little update here on my aunts tractor. First off, sorry for the long post! As you remember she told me it was fouling the plugs, hard to start and running rough. Compression was 130, 122, 140, 125. Did not smoke at all, block is covered in oil on right side, and wet under manifold around number 3 cylinder.
Yesterday I put some new Autolite 3116 plugs in, changed the oil, adjusted the valves, put SeaFoam in both gas and oil, and tried to adjust the carb before taking it out and plowing (trying to loosen a possibly stuck oil ring). Plowing went ok, only went for about 1/2hr before the temp gauge spiked up into the HOT range so I quit. Can only get full power usually with the choke set most of the way, so I know a carb rebuild in definitely in order! While out there though, I noticed almost a whistling sound coming from the engine...as best I could tell, it was coming from that number 3 cylinder. Never heard anything like it before. Ideas??
Lastly, after I got it real hot and went to shut it down, it was dieseling and then backfired through the intake and coughed up a bunch of smoke and pushed probably 1/2" oil up into the mason jar. Last night my aunt told me that has been happening to her too. Is that timing related or more carb issues? I did not open up the magneto or adjust timing yet as it has an American Bosch magneto that I am not familiar with on an M. Ideas here??
Thanks for the help!!
First two pictures are of all the oil, second two are just general after a good bath!
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