What should I do with it?
Probably metal in the piston skirts also. Tell me more about the engine, did opel machine it?
No, the skirts look great, I will post some pictures tonight. It was machined by Auto Machine, out in St. Charles, Il. They do great work, but the heads were the problem, and I didn't let them do the heads, like a dumbass cheapskate. We surfaced them over at a suppliers shop, just to clean them up.
The short block work was impeccable.
The metal came from the HS roller rockers that I bought new, then when I put the Thumpr cam in it, it must have been too much on the old guides. Or I was wrong in me geometry interpretation. Some of the rockers hit the valve springs, removing slight bits of aluminum. The aluminum, of course, was not picked up by the magnets I always place in the pan.
Right before I pulled it, I noticed a slight drop in oil pressure, confirming what I would do with my 4th of July weekend. Of course, I was in denial until I pulled #8 rod bearing.