Are hardened valve seats necessary?

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#18 (permalink)

11-23-2007, 06:44 PM

Jac Mac

CC Member

Join Date: Feb 2006

Location: Gore. New Zealand., SI

Cobra Make, Engine: DIY Coupe, F/T ,MkIV.

Posts: 808

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Induction Hardened seats were on 'Open Chamber' CJ heads only--- Not on closed chamber versions. Since its 'depth' was limited by the time the seats have had a light grind or cut its likely any 'hardened' material has been removed.
Jac Mac

Last edited by Jac Mac; 11-23-2007 at 06:47 PM..

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