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 - The 8N and the Fox - by Zane Sherman. Dec. 13 1998, Renfroe, Alabama. Last niht I dreamed about the day that I plowed the field of about 10 acres over on what Jimmy and Dandy called the Ledbetter field. I was driving the 1948 8N Ford tractor that Jimmy bought in 48 new This was prebably in about 1951 and maybe even befor the house was built. This would have made me to be about16 years old and I drove the tractor for nothing and would have paid to drive it if I had had any money which I didn't, but neit
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