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 Day Tractor Lovers Dream About - by Angus Crawford. The day started at five o'clock on the morning of Friday, the January 29, 1999. My father, my sister, my uncle, my cousin and myself all climbed into my uncle's Toyota van. It was six thirty in the morning and we had a long day ahead. We traveled for six and a half hours to our destination - a little country town with a population of no more then one hundred and fifty people (57 of them being children under the age of thirteen). We arrived hoping to meet up with a man we knew had over one
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