71 383 - options

Kernel Sanders said

I do believe the last year for the 383 in cars was 71 and the engine was externally balanced as it had a cast crank IIRC

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2bbl is possible to be cast but I have never seen a 4bbl 383 that was cast. I had a 71 Sport Fury 2bbl and it was cast, and that's the only one I've ever seen. Also have seen many 73-up auto trans 440s with steel cranks, so you never know!