I don't want to say you did anything wrong but are you sure the mains and rods aren't too tight? I used to build with a beam style torque wrench. Each time I made up a bearing, I rolled the crank with the torque wrench a full turn and noted the required torque. I did this the first time way, way years ago and had my a number 1 rod only 3 lbs tighter than all the rest on a big V8. It spun that bearing in a few miles. At the time I thought it was just a "little too tight". Each part should add the same load to the crank torque. So if it takes 5 lbs to turn one piston, two should take 10, four takes 20. Big V8 might take 35 to 50 lbs to roll fully made up
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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