Due to various reasons, our rod-drop measuring capabilities are not available. What would be the best way of tracking piston & rider ring wear for a study? Some have suggested using a feeler gauge to measure the top clearances but this only gives you the sizes of the outermost (crack-end) rings. What would be the best way of assessing the ring wear rates without rod-drop facilities?
The goal is to trend the ring wear & then extrapolate to predict the ring life.
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