Would you run this case?

Mike A /
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I just opened up this old e50 I'm going to rebuild this winter. It's going to be a (hopefully) high power build but I'm a bit concerned about these hairline marks. They're kind of all over the place, but mostly noticeable around the bearing holes.

Is this just aluminum casting defects/artifacts? They dont appear to be cracks that go anywhere past the surface.

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