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Overdrive sealing

Discussion in 'Early CJ5 and CJ6 Tech' started by JhnBrackett, Sep 10, 2007.

  1. Sep 10, 2007
    JhnBrackett

    JhnBrackett Race Engimuneer

    Lakewood, CO
    Joined:
    Oct 17, 2002
    Messages:
    120
    I'm almost ready to install an overdrive in my 71 CJ5 w/ a 225. I noticed a gunky sealant was used over the gasket material. Is this just RTV or something else? I don't want to install this thing and then have a ton of oil leaking onto the concrete through the bolt holes. Thanks in advance.
     
    JhnBrackett, Sep 10, 2007
    #1
  2. Sep 10, 2007
    jzeber

    jzeber Well-Known Member 2022 Sponsor

    Morgan Hill, Ca
    Joined:
    Nov 15, 2003
    Messages:
    3,331
    I usually use one or the other but not both a gasket and RTV. I do put RTV on the bolt threads to help reduce leaks ikf I do not use a gasket. When I installed my OD a few months back I used the gasket Herm supplied and no RTV
     
    jzeber, Sep 10, 2007
    #2
  3. Sep 11, 2007
    JhnBrackett

    JhnBrackett Race Engimuneer

    Lakewood, CO
    Joined:
    Oct 17, 2002
    Messages:
    120
    Since the gaskets are not in that great of shape, looks like I"ll be going with RTV, thanks!
     
    JhnBrackett, Sep 11, 2007
    #3
  4. Sep 11, 2007
    66cj5

    66cj5 Jeep with no name

    NorthWest Indiana
    Joined:
    Sep 10, 2003
    Messages:
    2,084
    not hard to make a gasket. FLAPS sells gasket paper, use the smallest ballpeen hammer you can find to tap the paper around the hole to cut it. with a little practice you can turnout gaskets just as good as the factory (but cheaper).

    I would avoid sillycone and use permatex. sillycone dries out and pematex doesn't.
     
    66cj5, Sep 11, 2007
    #4
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