L78 396/375 HP Long Block CKO Stamping

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**WILMASBOYL78** · #1 04-30-2006, 12:18 AM

Chuck, my 70 Fathom Blue L78 car has a dealer installed 290 4 bolt CE block. This car is an original L78 built 4th week of Feb. 1970. Dial chevrolet in Center Reach,NY(Long Island)did the replacement for the original owner in 1973. Don't know what else to say except these things are out there. I don't think you will find a 290 block that was factory installed as an L78.

wilma

@wot · #2 04-30-2006, 03:13 AM

Tom,

What Chuck is asking is how an engine produced in 1972 can receive a 1970 CKO code. i assume that your replacement block is NOT stamped with a CKO code.

**Rick H** · #3 04-30-2006, 04:30 AM

[ QUOTE ]
Chuck, my 70 Fathom Blue L78 car has a dealer installed 290 4 bolt CE block.

wilma

[/ QUOTE ]

What is the replacement engine stamped?

Rick H.

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