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Old 06-21-2005, 06:06 PM
57fairlane428 57fairlane428 is offline
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Join Date: Jun 2005
Location: Chesapeake, va
Cobra Make, Engine: 428 cj
Posts: 5
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My block has no casting number or ribs. It does have a date code 8k23. Also 66-427 on back with a big C cast into it. Also an X in the lifter valley with 47 under it. The front has 68 352 on it. Don't know if it has 428 cast in the freeze plug hole.

What does the big C on back and the X in the valley mean? Anyone know?

Last edited by 57fairlane428; 06-21-2005 at 08:06 PM..
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