? about 360 crankshaft.

m880 said

Everything I've ever read says the Magnum cranks are nodular iron vs cast-iron for the l.a

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Every crankshaft made if it is cast iron is "nodular" or "ductile" iron. The only other cast iron is grey iron. That's like a frying pan. They don't make crankshafts outta the same stuff fryin pans are made of.