Where did you get that idea? A freshly bored and honed cylinder should have as close to zero taper as the engine builder can get. High dollar engine boring and honing machinery goes to great lengths to ensure that. A top quality CNC engine shop shoots for something less than .0005 maximum taper - a low budget shop with a manual boring bar and hone is working closer to .001. The Ford 120 specification for maximum allowable cylinder taper when fitting new parts to a worn cylinder is .004, max out off round is .003.
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Today's Featured Article - Farmall 460: That's My Girl - by LeAnn R. Ralph. How many sounds can you think of that are as familiar to you as your own breathing? What about the hum of your refrigerator? Or the thump of your clothes dryer? Maybe the engine of your car? You hear those sounds every day, and you don't think much about them, do you. I can think of a few common, ordinary sounds in my daily life, too.
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