65 vs 72 BBC short block pros & cons

07-13-2017, 12:25 PM

L78steve

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Join Date: May 2006

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If your 65 block is cast prior to August then its the "Fang" block. The cylinders can be opened up to .125 beyond 427 bore. Its a keeper.
August 65 on, the block had the same casting number for some unknown reason but lost the thick cylinders and the fangs.

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