Piston Head design is important, but not as important as the displacement of the crown into the combustion chamber to increase compression. 8000ft high altitude pistons are about as high a compression as IH ever made. (I think) There ase sure to be custom pistons made for pullers that need valve relief and combustion chamber edge modification to fit with no interference. Generally the more plain the surface the better the flame propagation. Jim
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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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