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Message: [QUOTE="Peroni, post: 1545516, member: 315"] I don't see how a core shift on a rough casting would lead to a finished bore being out of line. It would either clean up or not. I would say bored out of line better describes this. It would be interesting to know how Navistar actually machined these and what the actual true position on the bore was. To be machined in a fixture on a multiaxis machine to get a single bore that far off screams manual intervention. And that's usually not something done in a production environment. I wonder if that block was kicked out and got some personalized attention to finish it? [/QUOTE]

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