As I continue refreshing my M42, I got to taking my upper oil pan off to get a quick look at the general condition of the bottom end. I unfortunately saw what looks to be pieces of bearing that may have broken off on the center main bearing, however I'm not 100% sure. Here's a picture:

So the question is, should I be looking into getting new main bearings? Or am I just being paranoid? (I sure don't think so)
I don't want to have to take the bottom end apart if I don't have to, but I will fix what needs to be fixed to get this motor running reliably. The oil I drained from the motor didn't look shiny or metallic, and I could only find what seemed to be very tiny chunks of the timing chain guides, nothing I believe to be a cause for concern, but I may be wrong. The majority of the timing chain system looks to be in decent shape, however it definitely needs a new tensioner.
So the question is, should I be looking into getting new main bearings? Or am I just being paranoid? (I sure don't think so)
I don't want to have to take the bottom end apart if I don't have to, but I will fix what needs to be fixed to get this motor running reliably. The oil I drained from the motor didn't look shiny or metallic, and I could only find what seemed to be very tiny chunks of the timing chain guides, nothing I believe to be a cause for concern, but I may be wrong. The majority of the timing chain system looks to be in decent shape, however it definitely needs a new tensioner.
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