How do I spot a corvette motor?

This got me curious so I started looking and can't find ANY listing for a cast 327 crank.
Heathen you may be right. But I have scene Chevrolet do some weird ****. Like ralley wheels in 1965 L88 Vette in 1966
Aluminum sbc heads in 1960
My parents best friends owned a Chevy dealership from the early 50s to the 80s. I would think all the sbc engines sold over the parts counter turned in Vette engines. And they sold a bunch of them

 

yup!

 

And even if an engine actually did come "out
of a Corvette"..... what was in *before* it
went into that "Vette???

mart3406
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Gold timing chain?

 

If its in a Corvette it is a Corvette Motor, If its out its a Chevy small block