Which risk notably increases when dynamically balancing mass-produced automotive crankshafts at high speed?

💡 Explanation

When balancing crankshafts flaws risk fatigue, where cyclic stress concentrates at imperfections, leading to crack initiation and propagation that may cause the crankshaft to disintegrate. Therefore material fatigue increases, rather than plug fouling, crankcase pressure issues or valve float which relate less to balancing imperfections at high speed.

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