I did not have the engine running when pressure testing. Per your suggestion, this morning I filled the three core plug pockets with oil and re-pressurized to 7 psi - still no air bubbles or coolant leak. I then proceeded to drain all the new oil I had just filled it with and then drop the oil pan. I would estimate at least two cups of water/antifreeze poured out the drain plug before uncontaminated oil started to flow. Next, I again pressurized the radiator and looked up into the engine to check for leaks around the cylinder sleeves - still nothing. Now I am thoroughly confused! - how can it be that after changing the oil, driving it back into the shed, and then doing various pressure tests that I could accumulate two cups of water in the oil pan and now when I pressurize the system with no oil pan attached that I see no coolant flowing down into the open cavity where the oil pan would be? Please forgive my ignorance as I'm a novice at engine work, but I thought that regardless of the leaks location I would see antifreeze drain back to the oil pan. Any advice? Do I need to pull the head next and inspect the head gasket? Thanks again for any advice!
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Today's Featured Article - Identifying Tractor Noises - by Curtis Von Fange. Listening To Your Tractor : Part 3 - In this series we are continuing to learn the fine art of listening to our tractor in hopes of keeping it running longer. One particularly important facet is to hear and identify the particular noises that our
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