Quote:
Originally Posted by cudabnu
Not sure what happened here, but is this of big concern, should I have it welded up?
Main bearings and crank journals look good, should I still do the rod bearings since I'm in this far?

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What you are looking at is normal. The casting is designed that way.
If you want, you can seal it with Permatex Hysol epoxy.
As for bearings: replace mains, rods bearings ( bolts and nuts) and intermediate bearings. Anything less is half assssed.