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I have two big blocks cranks in my possession, both for a 383. How can I tell if either or neither is a forged and not a cast crank?



TWO 383 cranks ? .. they are both FORGED !

They never made a cast-crank for a 383 !!

I would BET a fiberglass scoop ON THAT !!!




Didn't they have a cast crank for the 383 2bbl ?



Get the scoop in the mail.

71 383 2 bbls were cast crank. I owned one last year. It was the only big block I've seen that I thought was completely useless.