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Author Topic: Valve Seat Material?  (Read 2297 times)

mcreeferson

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Valve Seat Material?
« on: June 24, 2016, 05:57:27 PM »
If I were to decide to put hard-seats in my 18/1, what material would be suggested? Are there any particular seats you have used and prefer? I'm sure what is best for a dragster is not necessarily the best choice for a 750 RPM single cylinder diesel...
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dieselgman

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Re: Valve Seat Material?
« Reply #1 on: June 24, 2016, 08:10:27 PM »
These diesels do not require much hardening or special materials for good performance from the valve seats. They originally were just soft cast iron (valve face against head casting). I know that 38ac does a very nice job with installing replacement seats and he can comment on what materials and types he prefers and uses.

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38ac

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Re: Valve Seat Material?
« Reply #2 on: June 25, 2016, 03:21:30 AM »
Since my catalog is not handy I cannot give you the material type but the ones I use are from Qualcast a d nothing fancy, just tell standard grade powdered metal insert. They machine easily aan work harden in use.
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