Quote:
Originally posted by mpdevelopment
Those bearings are showing signs of spalling. .
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That's the word I was looking for, not galling.
To add to this, you can see that the damage to the bearing is at the bottom, directly below the force transfer of the piston/rod assembly. It's essentially hammering on the bearing.
I'd also check your crank journal for damage. I've seen the bearing actually extruded out of the seat in extreme cases. Down to a paper thin ribbon sitting in the sump.
Bigger bearings would help, otherwise I'd look into refreshing the motor down to the bottom end a bit more frequently than you just did...