ID ON ENGINE BLOCK IS LCD28908I

I looked in the tech tips not sure if I over looked it ?
How do I know if it's a 216 or older low pressure 235 ?
I have replaced the carburetor base gasket and it's the larger bore .What else is different checked oil pan for the 235 stamp nothing there . Need more Ideas !

Last edited by webstershotrods; 12/13/2010 6:12 AM.

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