What do you mean by "dropped the valve seat", because I did not read that these valve seats are inserts or anything like that.
It seems to me as though whomever sold the cylinder head would be responsible for the warranty but I doubt if they are going to assume responsibility for the labor as well or even if the entire engine if that is the fact.
If a valve on number seven actually came loose because of the keeper not properly installed, then maybe the shop doing to the labor could be held accountable.
I assume you have already disassembled the engine or had someone do it, so you should be able to tell what happened. Can you or did you already take it apart or have all you done so far is the compression test?
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Friday, February 2nd, 2018 AT 9:39 AM