Block Casting Numbers - The Supercar Registry

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Block Casting Numbers

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02-22-2007, 05:47 AM

nuch_ss396 nuch_ss396 is offline

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Re: Block Casting Numbers

The 3969854 block was a 402. GM would not use the same
casting number on different c.i. displacements.

The J-10-8 however is way too early for an '854 block
as they came into production late in summer of 1969.

Check that casting date again.

Steve

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