Re: need opinion on 1970 LS6 Block Stamp
This looks to be a possible factory grind-off and restamp. I've seen a few like this that were done at Tonawanda, when for some reason, they had to change the engine's designated usage.
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Rick
69 Chevelle SS396 Silver L78 M21 Post Sedan (Berger Chev.)
69 Chevelle SS396 Black L78 4-speed 4.10 Post Sedan

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