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04-15-2024, 04:46 PM
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#1 |
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Registered User
Join Date: Oct 2012
Location: mountain view arkansas
Posts: 1,299
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Best valve seals
What is the best valve seals?
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http://67-72chevytrucks.com/vboard/s...d.php?t=548705 |
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04-21-2024, 06:11 PM
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#2 |
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Moderator
 
Join Date: Jun 2017
Location: Cherryville, NC
Posts: 2,157
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Re: Best valve seals
Way too many variables here.
What heads are on the engine? What engine? Intended usage? Power adders like turbo or supercharger? 
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Family and country before all others... 2006 Chevy Silverado (Daily Driver) 2012 Chevy Equinox 
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04-21-2024, 07:28 PM
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#3 |
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Senior Member
 
Join Date: Dec 2009
Location: TN.
Posts: 7,732
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Re: Best valve seals
I always use Umbrella type if there is enough room for them.
Alot depends on application. 
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________________________________________________________________________________________ ____________________________________________ 84 Chevy K-20 63 Impala (my high school car) http://67-72chevytrucks.com/vboard/s...Crew Cab Build |
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04-23-2024, 05:39 PM
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#4 |
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Senior Member
Join Date: Dec 2011
Location: Moraga, CA
Posts: 801
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Re: Best valve seals
My machinist switched me from the stock umbrella to a hardened guides, hardened valve stems, and perfect seal configuration. He said durability and oil control were better.
But you need the hardened guides and hardened valve stems if you go with the perfect seals. Otherwise you have premature wear because the perfect seals don't let anything through.
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(Very) Slow-Going Build Thread: Stock 1970 Short Step with Stock 1970 LT-1 http://67-72chevytrucks.com/vboard/s...d.php?t=567340 Last edited by mattfranklin; 04-23-2024 at 05:39 PM. Reason: typos |
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