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428 Cobra Jet Engine identification

Started by rdmgt500, January 18, 2023, 05:54:02 PM

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rdmgt500

Is it possible to verify a 428 CJ w/o seeing the block scratch letter? These are the numbers I've been able to find to date:

Block casting # C6ME-A (seems correct for '68-70 428CJ)
Engine block date code is "8G23" (July 23, 1968) also seems correct. Vehicle build date was 1/28/69 from the Marti report.
Cylinder head casting # C8OE-C090-N (seems correct)
Cylinder head date code: 8L8 = Nov 8th, 1968 (seems correct)

The vin stamping on the block is illegible. See pic below.

Thanks for the help.


Coralsnake

#1
The scratched letter on the block is only one indicator. It must be taken into account with other indicators.

If you're suggesting that a July 68 block came In Jan 69 built car, I would say its very unlikely

With regards to heads the C8OE-N is the correct 428 Cobra Jet head. While its possible the Nov head matches a January car, I feel that would need additional authentication
The original Influencer, check out www.thecoralsnake.com

Shelbypat

#2
Quote from: rdmgt500 on January 18, 2023, 05:54:02 PM
Is it possible to verify a 428 CJ w/o seeing the block scratch letter? These are the numbers I've been able to find to date:

Block casting # C6ME-A (seems correct for '68-70 428CJ)
Engine block date code is "8G23" (July 23, 1968) also seems correct. Vehicle build date was 1/28/69 from the Marti report.
Cylinder head casting # C8OE-C090-N (seems correct)
Cylinder head date code: 8L8 = Nov 8th, 1968 (seems correct)

The vin stamping on the block is illegible. See pic below.

Thanks for the help.


what is your VIN ? Mine's build date is one day after january 29

Patrick

rdmgt500


Shelbypat