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misplaced valve guide

dltrial
in Old Gen.: 80's GL/DL/XT/Loyales...

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Looking at the EA82 heads which I recently removed I see that one valve guide is not in the right position. Looking from the combustion chamber side the guide is flush with the head so that it sticks out more on the cam tower side.

 

I don't know what happened. Did it somehow work out of place during operation? Was it not seated correctly in place during installation? I didn't notice any damage to the valve but will have to look more closely.

 

Has anyone ever seen a case like this before? Do these valve guides move like that?

 

I was going to lap the valves and surface the head myself but now I will have to have a shop install a new guide. But will a new guide move again or do I need another head/

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