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Old 07-14-2016, 10:23 AM   #2
TJ's Chevy
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Join Date: Mar 2013
Location: Southern Oregon
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Re: Help decoding 230ci engine stamp

To tell if it is a 230 pull a plug and look at the piston. If it is flat top you have a 230. If there is a D style dish in the piston you have a 250. If it's a 230 it will more likely be original. People who swapped out the v6 for s straight 6 usually went with a 250 or 292.
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