Ash and Sulfated Ash and their role in the performance of engines
Posted by Hamid Shakouri on 3rd Sep 2024
Ash content refers to the metallic
residues, such as zinc and calcium, left behind when engine oil enters the
combustion chamber and burns alongside the fuel. Zinc is a primary element in
antiwear additives, while calcium comes from detergent additives.These ashes adhere to the engine
parts' surfaces. However, a significant issue arises when these oil-borne
residues accumulate between the valve an
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