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Thread: WELSH PLUGS ---- how to replace etc

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    Veteran NIZLAH's Avatar
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    Default WELSH PLUGS ---- how to replace etc


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    So before I chuck my 20v in the 86 I thought it may be a wise idea to replace the welsh plugs....
    (unless the silvertop comes with brass plugs standard?)

    I don't think this is the case so anyways... where can I get replacements? like are they a fairly universal item (was looking at some at supercheap the other day and they seemed to be the same size)

    next how/what is the best/easiest method of removing them, and what type of sealer do I use when putting the new ones in?

    Cheers ladz

    Niz
    ------------------>>>Need something welded locally??? Hit me up, I may just be able to help<<<------------------

    BENT MECHANIX - Garage 20:

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    Senior Member Marco's Avatar
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    best way to replace them. is to hammer a screw driver through it and lever it out. We use a sealer called stag at work. im sure there is something better out there. some one on this site will probablt know the name. and no they aren't really a universal fit. maybe call rapeco with an engine number?

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    Veteran Jonny Rochester's Avatar
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    They are universal, in that they are sized to a metric size in mm. So for example, if the hole is 32mm, you go to any car shop and ask for a 32mm plug.

    I think I have used silicon on them, but almost any sealant should do as they should come close to sealing on their own.

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    Senior Member KE70's Avatar
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    Remember to use a socket the same size to bash them back in.

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    Veteran NIZLAH's Avatar
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    cool, cheers for the tips guys..
    ------------------>>>Need something welded locally??? Hit me up, I may just be able to help<<<------------------

    BENT MECHANIX - Garage 20:

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    Gone
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    just for the dummies whats the purpose of the welsh plug?

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    Veteran NIZLAH's Avatar
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    Not too sure on their exact purpose, but I do know that if shit coolant (ie:water) has been used over time or they have been sitting for some time without coolant to prevent oxygen contact then they have a tendency to corrode from the inside out.....

    Also.... If I were to drill a hole in them for leverage rather than bash a screwdriver through them ( a little less brutal) would the metal shavings from drilling be an issue, or would these flush out when a hose is put through the coolant passages? (before a rad is hooked up)
    ------------------>>>Need something welded locally??? Hit me up, I may just be able to help<<<------------------

    BENT MECHANIX - Garage 20:

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    Senior Member blinded's Avatar
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    To get mine out, using a screwdriver and hammer, tapped the outside lip on one side and it in turn made the opposite side pivot out. then just pull it out. Did the first one with the bashing a screwdriver through it but the other way seemed to work easier.

    (if you understand my shit description)

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    Veteran NIZLAH's Avatar
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    yeah that makes perfect sense dude..
    ------------------>>>Need something welded locally??? Hit me up, I may just be able to help<<<------------------

    BENT MECHANIX - Garage 20:

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    TO REMOVE ADS, PLEASE
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    ok so I just removed one of the welsh plugs from the block (almost lost it inside the block lol)
    It has no sign of corrosion and looks fine.... is it worthwhile taking out and replacing the rest of them as I am assuming that they would all be the same...... correct?
    ------------------>>>Need something welded locally??? Hit me up, I may just be able to help<<<------------------

    BENT MECHANIX - Garage 20:

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