A CEXXXXXXX tells you that this is a replacement engine from GM. It could have been bought through a dealer or put in a car as a warranty replacement. Strange that the CE stamping would be on the transmision as well.

Driving that car should put a smile on your face.
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Chevelleless after 46 years......but we did find a low mileage, six speed, silver 2005 Corvette. It will just have to do for now.