Re: 1970 3963512 Block Strange One
The CGV was a 345HP engine.
I've not seen any 345HP's w/4 bolts yet,so far only 2-bolt mains.
The only EARLY casted 1970 non LS-6 coded 512 4-bolt blocks I've seen so far were 390HP engines slated for Impala-Police & Taxi useage.
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