Could this be a COPO ????

[William]

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No, not really. There is a list of known COPO cars but there are still a few that are unknown.

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A few?

Do the math - the production totals for L72 Camaro engines at Tonawanda have been known for years. 822 MN and 193 MO; 1,015 total. With an installation rate of maybe 95% that's 965 COPO Camaros. Less the 200 or so Yenkos leaves 765 COPOs sold through other dealers. The existing knowledge base covers half or less of the total.

There's a lot left to learn and a lot of unknown COPOs.