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 - Experimental Tractors Article - by Danny Bowes (Dsl). Tractor technology appears to have nearly hit it's pinnacle of development. If you agreed with the subtitle, you are rather mistaken. Quite, actually. As a matter of fact, some of the technology experimented with over 40 years ago makes today's tractor technology seem absolutely stale by comparison. Experimentation, from the most complex assembly to the most simple and mundane component, is as an integral a part of any farm tractor's development
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