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then it doesn't really matter I guess . It would have been a very late build car , like last week of production to get a 230 based 383 and only because there was no more 383 castings left to use. More than likely a warranty replacement block , couldn't have been the original or else the guy wouldn't have sold the car without it ???

Anyway at .060 it would need to be sonic checked before boring larger , at stock bore it would have been a nice block to build a 383 based race motor , assuming the bores were not core shifted bad , thick bores say rounder under power.



He put a 440/6 in the car, and intended on selling the 383 with the car to keep them together. But whoever purchased it didn't want the 383, so I bought it from him.

It's more a curiousity thing, had never heard of a block with a lower displacement than what the casting number said it was..