Are hardened valve seats necessary?

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#16 (permalink)

11-23-2007, 05:41 PM

Excaliber

Senior Club Cobra Member

Join Date: Jul 2002

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Posts: 15,712

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Wouldn't that be ironic, to replace the seats only to find out later it DID have hardened seats to begin with!

Jac Mac, interesting observation on valve rotation.

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