It should be noted that this information pertains to Chevelles only. Other Chevrolet lines and their plants may differ. For example, a 1969 full size car with a 350 V8 from Van Nuys has been reported with the partial VIN on the oil filter boss and other Chevrolet models and/or plants may exhibit the same properties. 

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Sample of Baltimore stamping on engine pad.

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Ongoing research indicates that the Atlanta & Kansas City plants used this alternate location for 396 engines.

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