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Chevy Engine Code Lookup #86533 07/29/15 10:20 PM
Joined: Oct 2008 Posts: 114 Michigan V VStock OP Contributor
OP VStock Contributor V Joined: Oct 2008 Posts: 114 Michigan	I have a Chevy six that came out of a 68 Chevelle wagon. The code on the block is F0403AN. Can anyone tell me if this is a 230 or a 250? There used to be a link on here wher you could look up codes like this, but I can't find it.

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