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Thread: plug EGT hole

  1. #1
    turbo addict
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    plug EGT hole

    okay well i had an autometer egt in my car i went wideband
    and don't want to keep the probe in there as I'm pretty sure its gonna leak
    what can i use to plug this up
    its not threaded in its just held in by a band clamp

  2. #2
    Buy my stuff!!!!!!!!!!! :O) Turbo Mopar Vendor turbovanmanČ's Avatar
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    Re: plug EGT hole

    I would tap it 1/8 pipe and put a pipe plug in, otherwise hit it with a spot of weld, or braze it shut.
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  3. #3
    Supporting Member Turbo Mopar Contributor zin's Avatar
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    Re: plug EGT hole

    When they thread in, they are generally 1/16" NPT. I imagine the hole is around .250" or slightly larger in diameter, in which case, you could simply tap the hole and install a 1/16" steel or stainless plug and be done with it.

    If it's on tubing, then a'welding we will go!

    Mike
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  4. #4
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    Re: plug EGT hole

    well its on my exhaust manifold and i want to plug it without taking it apart
    so a tap might not work

  5. #5
    Buy my stuff!!!!!!!!!!! :O) Turbo Mopar Vendor turbovanmanČ's Avatar
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    Re: plug EGT hole

    Quote Originally Posted by JohnnyIroc View Post
    well its on my exhaust manifold and i want to plug it without taking it apart
    so a tap might not work
    Little bit of metal won't hurt, you put grease on the bit and tap and/or use a vacuum cleaner to suck up the chips.
    1989 FWD Turbo Caravan-2.5 TIII, GT35R, auto, a/c, cruise, pwr windows/locks, fully loaded with interior and ran with full exhaust. RETIRED FOR A FEW YEARS! 12.57@104 :O)
    1984 Chev Getaway van, 6.2 Diesel with a remote mounted turbo setup burning WMO-For sale.
    2003 GSW 2.0L TDI, auto, fully loaded, modified, 360K-wife's.
    2004 GSW TDI, 5 speed, fully loaded, modified.

    Aurora ignition wires for sale. Link to info

    Super60 roller cams or custom/billet cams. Link to info

  6. #6
    Supporting Member Turbo Mopar Contributor zin's Avatar
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    Re: plug EGT hole

    Yep, a dip into some bearing grease (the sticky, tacky stuff), and almost all of the chips will come out with the tap, what's left will be stuck to the grease that's left in/on the hole, which can be removed with the use of a few Q-tips. If there is anything remaining after that, it's not going to be enough to do any damage.

    Of course, if you don't mind removing the manifold to do the work, it would be easier, and you could be sure that no chips remain... but you'll probably be tempted to port the thing...

    Mike
    "The Constitution is not an instrument for the government to restrain the people, it is an instrument for the people to restrain the government - lest it come to dominate our lives and interests." - Patrick Henry

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  7. #7
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    Re: plug EGT hole

    if this head comes off again its going to be huge when it goes back on
    thanks guys for the tip

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