I think this is the winning answer. This tractor has been here for 30 years, engine rebuilt right after it got here. Granted, it hasn't been used hard, but the rear main was not the primary reason to split it either. In fact, the evidence on the back of the block and on the flywheel makes me wonder if it was leaking at all. Except for the education, I think I'm sorry I pulled the seal retainer.
It appears there's two issues at play here, the felt seal as compared to more modern lip seals, and the mating surface of the seal retainer to the engine block. I believe the felt seal was good enough, and I hope I can properly install a new one. I also believe in modern RTV sealants and their ability to help stop the oil at the mating surfaces.
This forum is a great resource. I'm a few days away from reassembly so other opinions are welcome, but I think I know what I'm going to do now. Thanks to all.
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Today's Featured Article - Trenching With a Plow - by Staff. Introduction: This interesting information came from one of the discussion forums here at YT. We thought we should place it up front so it could be read by anyone interested in putting old iron to work. [Editor] I tried something new today, and it worked so well I thought I should post it - in case it might help someone else. I'm running 100 yards of 4" drain pipe from the gutter downspouts of our house to a pond down the hill. This should hel
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