If your saying that you replaced the rings and sleeves and got 80 psi on a cylinder compression test, I think there is something wrong. I don"t know what your compression pressure should be. Most diesels have compression pressures of 350-400psi or more. Your valve timing must be off, your valves are burned or not seated to give numbers that low or there is some other cylinder leakage somewhere. Those compression readings aren"t even respectable for a typical gas engine in tractors of that era!
Do you have any info with regards to the valve timing? Surely the shop manual will have something! John(UK) on the Ferguson Forum might have some info he could send you on that engine. have you tried him?
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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