Posted by Oregon Tractor Jack on December 31, 2021 at 07:38:31 from (71.63.212.156):
In Reply to: SUPER M posted by Glen in Iowa on December 31, 2021 at 05:02:51:
That is a difficult question to answer with a number. After putting in fire crater pistons in one of my H's I will say it was a lot healthier. I would expect to get one point higher compression with them. Its enough to notice a difference but still run pump gas. If you really want to bump the compression you can have custom piston cut to what ever compression you want. I have done that that for two of my pullers, fun until you have to buy 110 octane race gas.
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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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