On some of the Cummins 4BT charts, the difference in compression ratio is only .5 for turbo vs. non turbo pistons. For what you are doing, just run it without the turbo, just the exhaust pipe and you'll be fine.
If you talk to older mechanics you will hear stories of engines that ran for years or goodness knows how long before they found out the turbo was stuck and not spinning.
The biggest thing you may notice if you get pulling a heavy load is more diesel smoke from some unburned fuel out the exhaust pipe. Under a light load the turbo does not add much boost anyhow if you watch a boost gauge.
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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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