COPO 9561 427 Motors

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**R68GTO** · #1 07-21-2020, 09:08 AM

Is it correct that Tonowanda applied the month/day stamp once they completed the engine assembly? If so, then the big spread between cast date and car build date would have to be related to no "first in/first out" of the bare cast blocks vs completed engines waiting for orders. Or am I missing something?

**Woj** · #2 07-21-2020, 01:25 PM

My COPO engine was cast Jan 8, 1969; assembled 04/10/69; put into a 6B Baltimore car. A six month span from casting to car installation.

**jdv69z** · #3 07-31-2020, 07:05 PM

I wonder how many casting dates there are for COPO blocks. Maybe most or all of the were cast either in Jan or March.

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ORIGLS6 (07-29-2021)

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