It is "possible" to remove the sleeves and hone the block to accept C-301 pistons. Long term they don't seem to work out near as well as having the block bored and using C-291 pistons and sleeves. The 263 turned 301 engines I have torn down never seemed to have a very good looking cylinder wall.
The cylinder head is an area that needs a lot of attention during a rebuild. If you are increasing the displacement and/or increasing the engine speed using the stellite faced exhaust valves is a must. Of course valve guides and seats must be in good condition and I had the best results using teflon valve stem seals.
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Today's Featured Article - A Lifetime of Farm Machinery - by Joe Michaels. I am a mechanical engineer by profession, specializing in powerplant work. I worked as a machinist and engine erector, with time spent overseas. I have always had a love for machinery, and an appreciation for farming and farm machinery. I was born and raised in Brooklyn, New York. Not a place one would associate with farms or farm machinery. I credit my parents for instilling a lot of good values, a respect for learning, a knowledge of various skills and a little knowledge of farming in me, amo
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