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Update: Thank you for all of the replies to my question. Upon tearing the engine down, the bearings looked great. No other extreme wear was noticed. Some minor wear on the rings, ring lands and cylinder walls, but nothing more than would be expected in this application. Just needed a standard...

Can anyone comment on whether the copper is excessive at 24 and would that come from anything other than bearing wear? Also, Tin is low at 1 ppm. Wouldn't that be higher if the bearings were wearing excessively?

Sunoco Standard 110 Octane (Leaded). Also, the car is using a small amount of oil. I had to add almost 1 quart over the span of 50 runs. So I'm assuming that there is some fuel getting by the rings.

The copper was 24. Yes, we are running leaded race fuel.

This is probably a heck of a first post, but I need opinions from someone with more oil (and racing engine) knowledge than I have. Background...383 SBC drag race motor with aluminum heads, approximately 150 passes total, 50 +/- since the last oil change with Brad Penn 10w40 Racing Oil. I just...