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    oliver321's Avatar
    oliver321 Posts: 2, Reputation: 1
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    #1

    Sep 16, 2010, 10:05 AM
    Cylinder head valves
    What white pasty material would be found inside a cylinder head valve.
    smoothy's Avatar
    smoothy Posts: 25,495, Reputation: 2853
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    #2

    Sep 16, 2010, 10:15 AM

    Sodium?
    oliver321's Avatar
    oliver321 Posts: 2, Reputation: 1
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    #3

    Sep 18, 2010, 05:17 AM
    Comment on smoothy's post
    I forgot to mention that this white pasty substance explodes when it comes in contact with H20
    bendingleconte's Avatar
    bendingleconte Posts: 112, Reputation: 9
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    #4

    Sep 18, 2010, 07:16 AM
    Quote Originally Posted by oliver321 View Post
    what white pasty material would be found inside a cylinder head valve.
    It is most likely just white grease used as a sealant. Double check with your airport mechanic.
    smoothy's Avatar
    smoothy Posts: 25,495, Reputation: 2853
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    #5

    Sep 20, 2010, 05:43 AM

    oliver321 : i forgot to mention that this white pasty substance explodes when it comes in contact with H20


    Definitely Sodium filled valves then. Probibly exhaust valves, right.

    Used to promote cooling of the valves in instances where EGT's can get high, I.E. in the automotive world, with high performance or turbocharged engines, In aircraft as a safety measure.

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