Big X on rear of block
January 21st, 2009, 12:53 PM
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Big X on rear of block
Hello I have a 455 big block I am rebuilding (396021 F). There is a big X welded to the surface on one side, the other side has 68 F2 on the rear of the block. Does anyone know what the X represents.
Last edited by kona-jack; January 22nd, 2009 at 04:00 AM. Reason: More info
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