i found the problem , got the pan off today and started trying to move each connecting rod side to side , number 4 had quite a bit of play , and these are the bearing that come out
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the rest of the bearings were starting to become pitted , i got the pump out and the drive mechanism works fine , and the screen is clean
That's what they're supposed to look like, right?

Reminds me of a friend who ran his Luv out of oil on the highway. The number 3 rod was prettymuch welded to the crank.