LS6 Block Stamping Question

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AutoInsane · #1 10-06-2012, 04:34 PM

Need some help on a little mystery.

1970 454 LS6

Block casting code: 3963512
Date Code: E 18 70 (May 18th 1970)
Engine Numbers: T0616CRV
Partial VIN: 18B208611

Head Casting Codes: 3964291
Head Date Code: E 7 70 / E 8 70 (May 7th / 8th 1970)

Engine decoder results:

Engine assembly plant: T= Tonawanda, New York.
Engine was assembled in June, day 16.
Engine assembly code "CRV" was used for the following vehicles:

1970 Chevelle 454cid Manual trans 450hp CRV

What is wrong with that picture? The VIN has an 8 for the 2nd digit.. ???? Should be a zero for 1970. The VIN sure looks to be 100% original. Explination???

Could the 8 be a mis-stamp from the factory?

Thank you for the help

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