Years ago, we used to rebuild an engine, start it up and let er run for 2-3 hours to break in, then hitch on a plow and slowly increase the load. The engine would blow by until the rings seated (worn) in.
The last couple rebuilds, with the aluminmum pistons (from China probably)& Chrome rings, It take a long time with alot of blow by to break in.
Watch it for a while, you can check for compression to make sure.
One last thing, I have had trouble with the modern aluminum pistons expanding soo much that they lock up. Never had it like this before.
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Today's Featured Article - Timing Your Magneto Ignition Tractor - by Chris Pratt. If you have done major engine work or restored your tractor, chances are you removed the magneto and spark plug wires and eventually reached the point where you had to put it all back together and make it run. On our first cosmetic restoration, not having a manual, we carefully marked the wires, taped the magneto in the position it came off, and were careful not to turn the engine over while we had these components off. We thought we could get by with this since the engine ran perfectly and would not need any internal work. After the cleanup and painting was done, we began reassembly and finally came to t
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