Like Pete said and i will ad to this . a 766 setting at a 100 Hp is a bit over fueled and being over fueled can cause washing of the walls and fuel not burning can turn to more carbon . Also along with fitting sleeves to block it is wise to FIT PISTONS TO SLEEVES today. One other thing about breaking in a diesel engine is HEAT , if the engine is not getting up to and above 165 degrees and better if it is running 185-195 range the fuel in not getting burnt properly . Making sure that the injectors are all working good also plays in how well your rebuild is going to play out. As for break in OIL myself i have never played into that . I run what is going to be run in that engine . And a better way for break in is TO RUN IT , Now not sayen to take it out and put her on the plow and plow 500 acres non stop but Chore work , haling manure moving bales spreading fertilizer grinding a load of feed if you can load the grinder evenly . And the big thing set it back to being real close to stock or 10% above atleast for the first fifty hours . And make sure that engine temp is at operating temp.
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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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