Head removal help

ducter said

I just tried what you recommended, had a piece of wood and a rubber mallet. Tapped lightly a few times and heard a light thud sound, put everything back together and now have 0 compression on that cylinder. Not real sure what I did but don't think it was good.

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It could be something simple like a piece of carbon stuck on the seat not letting the valve close fully.

Or could be that it needs to have a valve job.

Pull the head and take pictures of the head and block and gaskets (both sides) before cleaning them up. sometimes witness marks on those surfaces can help identify any problems there. Don't ruin the evidence before recording it in case you need to look back at it later...

Try flipping the head upside down and filling the combustion chambers with water. Any that leak are not sealing properly and need work.