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  1. 08-07-2019, 02:02 PM #1
    Check85
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    200 xri efi VST 90 degree check valve. Oil deletion

    Serial OG201960
    95 xri efi 200
    I recently went ahead and disabled my oil injection by following specs by Don Worked out great. Motor seems to run better.

    My question is in regards to the 90degree elbow bottom of VST, 1/16 27 npt fitting which gets plugged.
    Should i apply any sealant on the fitting, blockoff plug ? If so what type, teflon tape seems improper due to the nature of it flaking off and causing possible filter restrictions.

    Loctite 567 ?
    Or whats recommended if sealant is needed, when dealing with fuel fittings?
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  2. EuropeanAM
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    Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    #2 08-13-2019, 01:26 PM
    You can use a PTFE based sealant, tape or even Red Gel Sealant.


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