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crankshaft interchange?


jbw1937

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I am working on a 1937 Dodge 1/2 ton pickup with a 218ci 6-cylinder. The engine number stamped on my block is: T38-8085. The engine spun the #2 rod bearing and cracked the crankshaft. I have located a crankshaft and set of rods out of a 1953 Dodge B4B with a 218 ci engine, and I am hoping to use this crank as a replacement. The B4B engine is stamped with T306*I57323*. Unfortunately, I do not have the crankshaft casting numbers readily available. My question is, are these crankshafts interchangeable? Or can this only be determined from the crankshaft casting numbers? 

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I'd want to have the crankshaft casting/forging numbers to confirm the interchangeability.  And even with that info, some careful inspection and measuring of the two cranks would be in order; these engines and components are getting older, and who knows what sorts of wear and modifications have been done to them over the years.

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Here...

 

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