67 350 Engine

[toddmitchell734]

Does anyone know what might be the earliest Casting for the 3892657 350 block Thanks

[Kaanderson]

I have a 67 ss rs 350 with a stamp date of 10/17 on the engine pad. I am not sure what the casting date is as i have never had the engine out. I was told that it was pretty early.

[Petes L48]

I've seen an H 2 6.