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tolerances

Engine Building Fundamentals

Relevant Module: Clearances and Tolerances > Engine Bearing Clearances

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Discussion and questions related to the course Engine Building Fundamentals

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Hello, Coach,

Can we make the clearances wider when we notice a drop in oil pressure and compensate for the missing pressure with a higher-pressure oil pump or a higher volume, which would eventually result in a balance between the two, and thus I could change the viscosity to the next lower number, like from 5W to 0W?

And are there really oil pumps made only for certain viscosities, or is the pump for certain viscosities, or does it not exist?

And the second question: What is the difference between a high-pressure pump and a high-volume pump?

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