Hardened Valve Seats

[neilaura at aceweb.net]

DI>On Thu, 19 Sep 1996, Stephen Lamb wrote:

DI>> >Wie Gehts?  Just wanted to let you know I hadn't forgotten about the
DI>> >seat
DI>> >material.  Checked the SAE books we have--specs for valves, but not
DI>> >seats.  Checked the General Motors Materials books, but no mention I
DI>>
DI>> One material used for 'hardened' valve seats is Stellite, which is a Cobal
DI>> based alloy. Also used a facing material on the valve itself.  I can get
DI>> specs if you want.

DI>Stellite valves are also available for Porsches and maybe some other cars.

DI>****************************************************************************
DI>Dirk Wright
   wright at uspto.gov
DI>"I speak for myself and not my employer."               1974 Porsche 914 2.0
DI>"A real hifi glows in the dark and has horns."            1965 Goodman House
DI>****************************************************************************


I don't know about America, but in England it is common practise to
build up cam lobes with stellite to reclaim them. The stuff is damn near
indestructable and can be applied easily with a welding torch.

Neil Powell  Neilaura at aceweb.net

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