How Does Calcium Clean Engines?

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308
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SF/Bay Area, CA
This site should offer you some basic details. As stated on the page:
  • Calcium - Engine oils , hydraulic oils, transmission fluids, and some circulating oils contain calcium in the form of calcium sulfonate or calcium phenate. It is formulated to act as a detergent /dispersant.
The calcium you see in oil analysis is of this type (oil soluble) and this is not a source of abrasion.
 
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