Too much timing?

fishmens67 said

Keep in mind, you likely won't here detonation at cruise. Should be able to see signs of detonation on plugs if it's a problem.

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I just pulled all the plugs I didn't see anything unusual other that the sooty black. The insulators looked like a pretty good color kinda copper Tanish color I should have took pictures the ground strap was too sooty to see any timing lines I couldn't see anything on them other than black soot.