Big Block Casting Number

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Offline EBodiesRule

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Big Block Casting Number
« on: September 16, 2007 - 10:38:59 PM »
Hey all you RB motor experts...there is a single number cast into my brother's 383 block near the oil pressure galley passage on the back of the block. Any help on what this single cast digit might mean would be a great help. THanks.
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