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Praxiss454 · 07-17-2016, 03:06 PM

The casting on mine says I 2 4, which would be September 2, 1964. This lines up pretty well with the stamp date of September 4th and makes me think this is the original engine for my 65 GMC.

07-17-2016, 03:06 PM	#16
Praxiss454 Registered User Join Date: Jun 2016 Location: Novato, CA Posts: 519	Re: Help decoding 230ci engine stamp The casting on mine says I 2 4, which would be September 2, 1964. This lines up pretty well with the stamp date of September 4th and makes me think this is the original engine for my 65 GMC.