To be honest, I never ever noticed the 100 hp part. If it truly develops l00 horsepower while running at rated engine speed you are pushing it too hard if actually using that horsepower. Too dam hot inside those cylinders. I'm with using same oil during break in as you intend to use after. A newly overhauled engine needs maximum protection during that period and a break in oil may not have that. Remember the days it was popular to use non detergent for break in. Well, that is called wear in, not break in. I worked at John Deere for a while and they did indeed use break in oil. I did what I was told, not what I felt. One more thing on those sleeves, besides checking piston to sleeve clearance, there have been ring sets showing up with too little end gap. I know one engine that siezed first time it was worked hard (John Deere). They determined too little end gap. I also found one ring in a set that had near zero end gap.
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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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