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dropped valve damage to E31 head


abas

Damage is apparently fixable as no damage to water jacket


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was this a result of over reving or a weak valve spring ? or a combination of the two ? good picture , worth a 1000 words.

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beandip

Thanks for your comments.

there is no sign of overrevving damage to the other valves or pistons so I think it was due to a weak valve spring or possibly a poor repair job somehow ( the engine had a new head gasket on it when I pulled the head)

E31 heads are rare over here. I'm glad the damage appears 'fixable'.

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