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Cummins 5.9 Performance questions
#4
Thanks. Yes bottom was relatively clean. The engines seemed to run well but couldn't make it above 2600, so maybe it is overproped. I have a mechanic checking it. So, if a diesel runs longer term at lower RPMs what kind of issues are created? Thanks.
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RE: Cummins 5.9 Performance questions - by mggilmorern@gmail.com - 09-12-2021, 02:38 PM

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