360 LA getting oil in #3 cylinder.

tinman2 said
Detonation?

View attachment 1716058313
Here are the dents in the block I was referring to. Those spots on the piston are coolant and oil from a rag I used to wipe everything off.
Click to expand...
tinman2 said
Detonation?

View attachment 1716058313
Here are the dents in the block I was referring to. Those spots on the piston are coolant and oil from a rag I used to wipe everything off.
Click to expand...
All those pit marks are from detonation/pinging.