Is This an Indicator of Detonation?

moper said

The top mark is top ring. 2nd mark is the 2nd ring, which is an oil scraper do the witness Mark will be different.
That’s a lot of oil for a fresh engine. Pattern on the valve tips is not detonation but does show issues with the geometry.
Bushing should be able to be removed - if you have to take off the oil pump and go up the drive hole...

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I don't think its oil, the carbon in the chamber is dry. The carbon in the picture I posted is wet because I soaked the bore in PB blaster so it wouldn't rust.

How do I fix the valvetrain geometry if there is a problem?

I tried getting the bushing out from the bottom, but the bushing got so chewed up that there wasn't enough material left for a punch or a bolt the same size to grab.