Re: Crankshaft selection for a small block mopar 340
68-72 340 steel crank will do it. 73's are cast and will be more $$$ to balance etc. Made sure it's not cracked and it's strait.
318 crank's are a different weight, a steel one will work, but will need some balance work.
There are some aftermarket ones out there, Eagle comes to mind, I'm not sure how they would be for a racing application.
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