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Thread: LearningCurve's 818C Build

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  1. 09-15-2018, 02:50 PM #11
    Bob_n_Cincy
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    Quote Originally Posted by LearningCurve View Post
    If it were the valve stem seals leaking oil into the chamber, wouldn't the leak test show a greater drop in pressure?[/url]
    No, The intake "valve stem seals" seals between the gases/oil in the valve cover and the intake manifold air (vacuum or boost).

    The exhaust "valve stem seals" seals between the gases/oil in the valve cover and the exhaust manifold gases.

    Neither of these seals affect the pressure in the combustion chamber.
    Last edited by Bob_n_Cincy; 09-15-2018 at 02:55 PM.
    818S #22 Candy Blue Frame, Front Gas Tank, 2.5L Turbo, Rear radiator, Shortened Transmission, Wookiee Compatible, Console mounted MR2 Shifter, Custom ECU panel, AWIC soon
    My Son Michael's Turbo ICE Build X22 http://thefactoryfiveforum.com/showt...rts-818S-Build
    My Electric Supercar Build X21 (on hold until winter) http://thefactoryfiveforum.com/showt...e-Build-Thread
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