Engine Vibration 3k RPM

replicaracer43 said

I pointed that out in post 14, but people are advising all sorts of other nonsense

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"nonsense" hold on there partner, we/I are only giving the OP suggestions to check for it is up to the OP which path to follow. I agree that the rotating assembly could be the issue, but I would try everything else before I take the engine apart.