[COPO]

Check the block near the oil filter. CKO is for a 396 - 375 hp camaro. If it was built at the Norwood plant the VIN will be stamped vertically on the block by the oil filter. Because this area is rough cast and not machined the stampings are often very faint and difficult to see. The other possibility is the block was assembled and never installed in a car. When you read the Tonawanda production records there are typically a number of extra engines built that never made it into cars and were later sold through the dealer parts department. The final possibility is the block was installed in a car and a line worker for one reason or another didn't stamp the VIN.(perhaps on a Monday after a big drinking weekend) I've seen several blocks both small and BB w/out a VIN stamping that I'm certain were original for the car base on date coding of the block & other engine components and ownership history.

[Edited by COPO (09-10-2000 at 08:05 AM).]