Your block still had some stress in it when it was machined and now that journal in the block is twisted. That is why they used to 'age' castings for several months after they were made, so they would relieve their inner stress and the final machined surfaces wouldn't 'move' or twist.
You don't say how many hours or years or whatever miles is on it.
I am thinking the proper repair would be to line-bore or line-hone the crank bores to get them all back in line with each other.
On the other hand, it has 'machined'(worn) its own clearance and if you put it back together with the old bearings, and it doesn't move any more, it will probably run a long time. If you put new bearings back in it, it will probably freeze the crank when you torque the caps. Or spin the bearing soon after you crank it.
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Today's Featured Article - Women and Tractors - Tractor Engine Repair - by Teri Burkholder. One of the great things about working on a tractor engine with your other half is that you know what he is thinking of at all times and can anticipate his every move and his next thought of what he will do. With Ben, anyway, I can tell! He'll be busy working and I’m handing him tools and he says, "give me that..." and I’ve already got it in his hand or "hand me that....."and I’ve got the portable light right where he needed it placed to see. "Run in the house and get me a...."as I open th
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