Quote:
Originally Posted by fatoni
care to elaborate?
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It's most likely the same reason why crankshafts are flexible. It will absorb accelerations better. The same strength crank that is stiff would actually be brittle and problem prone. Engine manufactures can run a flexible crank then a more expensive high strength stiff crank given the design tolerances.
I will say that the crankshafts doesn't have the same flexibility as a wet spaghetti noodle, but it is present and purposely designed into mass produced engines.