Originally Posted by Reposado1800
It seized momentarily. Did you run it low on oil? Maybe too lean. I think you said you jetted it lean to try and get better MPG. Not ideal for breakin or a bigbore.
I reset the jetting to a richer mixture prior to running it. I was good on oil. I assume the loud noise I heard was the first score (seize) from the rings expanding.
Do you guys think that there is another issue that was causing the noise in the video? I would have to assume that this was it. When I got home yesterday and drained the oil, It did eat some oil and was blowing blue smoke. This is expected though, if that is whats going on inside the engine. Nothing was sealed properly.