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 - The Ferguson System Principal An implement cutting through the soil at a certain depth say eight inches requires a certain force or draft to pull it. Obviously that draft will increase if the implement runs deeper than eight inches, and decrease if it runs shallower. Why not use that draft fact to control the depth of work automatically? The draft forces are
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