Advice on sealer for insert after stripped water pump/timing cover bolt hole

Small Block Mopar Engine

  1. nick455440

    nick455440 Well-Known Member

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    Advice on sealer for insert after stripped water pump/timing cover bolt hole. Stripped one of the block through bolts near the water passage for the water pump. Have the hole drilled and tapped for EZ locks which went surprisingly very well. I usually use red rtv for threads in water jackets. But thought about red locktite for the insert itself, they have normal and height heat (260 locktite) Not sure if this is ideal though
     
  2. MOPAROFFICIAL

    MOPAROFFICIAL FABO Gold Member FABO Gold Member

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    I used red when I had a tensioner bolt hole into a water jacket strip on my old 2.6 Mitsubishi 4 banger in my '84 4x4.
    I only had a brass plug...so I used it and drilled and taped it once in and the red loctite set. Worked.
     
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    • JBurch

      JBurch FABO Gold Member FABO Gold Member

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      If it were me, I'd use liquid Teflon to seal the threads
       
    • kmoore

      kmoore Well-Known Member

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      i highly recommend the product called right stuff its by permatex and its a bit pricey but that s h _ t works. I've used it to seal valley plates on big blocks w/ B-1 heads that have no fasteners to the head and have never had a leak.
       
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      • Treblig

        Treblig Well-Known Member

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        Locktite is water soluble so do not use that!!!
         
      • Tooljunkie

        Tooljunkie King of cobble/master of the broken bolt FABO Gold Member

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        Never knew it was water soluable. I know it works on parts submerged in water though. It has to cure before submerging it.
         
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        • 12many

          12many Well-Known Member

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          People use various things and swear by them. If it works for them it works for them. Simple.
          Me? All I use is this stuff:

          C8B40410-04D6-4B66-B423-280762096CCE.jpeg

          I put that shit on everything!
          I’m almost out and it’s time to get some more.

          1D1A1B39-ECB3-4633-A544-3B343F4899C0.jpeg

          Keep in mind, if something didn’t work nobody would be recommending it. Just clean everything spotless and use any sealants being recommended sparingly, not gooped up.
           
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          • Treblig

            Treblig Well-Known Member

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            I didn't know if there was any standing water in the block. If there is water in the block the water will wash out the Locktite before it dries. Once it dries (in the absence of water) it should be OK.
             
          • nick455440

            nick455440 Well-Known Member

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            Thanks all, no water in it currently, rebuilt it, started dripping on the run stand during break in, snugged it up and the stud pulled out of the block, now the oil pan off, balancer, timing chain etc... for one bolt lol
             
          • nick455440

            nick455440 Well-Known Member

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            Have tapped the hole and cleaned it will acetone and q tips,
             
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            • RustyRatRod

              RustyRatRod I was born on a Monday. Not last Monday. FABO Gold Member

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              I've always had great success with red high temp RTV.
               
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              • mopowers

                mopowers Well-Known Member

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                • TurboGLH

                  TurboGLH Well-Known Member

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                  Same. I use Loctite 567. Can't beat it.

                  15760753187542283422380564721064.jpg
                   
                • MOPAROFFICIAL

                  MOPAROFFICIAL FABO Gold Member FABO Gold Member

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                  It never leaked. Never heard that either till now. Thanks, guess I got lucky or something
                  It was dry before filling it .
                   
                • Treblig

                  Treblig Well-Known Member

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                  I only know because I was in the aircraft industry and we used Locktite for many applications. It will wash out in the presense of water/moisture. Once it sets it's waterproof as far as I know.
                   
                • Bewy

                  Bewy Well-Known Member

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                  Yup, Loctite 567 or equivalent. That is why it is called thread sealant.
                   
                • j par

                  j par Well-hung Member

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                  Another vote for "the right stuff"...
                   
                • my68barracuda

                  my68barracuda Well-Known Member

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                  The Right Stuff may be OK on a stud or something that you never-ever take apart, but for those that use that product, have you ever attempted to take off a front cover or oil pan or valley cover or other sheet metal part that was sealed with The Right Stuff?
                  You will destroy the sheet metal part getting it loose from what it is assembled to.
                   
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                  • j par

                    j par Well-hung Member

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                    This hasn't been my experience...
                     
                  • oldkimmer

                    oldkimmer FABO Gold Member FABO Gold Member

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                    Authorized by the Chevy 5 6 7 club. Kim
                     
                  • kmoore

                    kmoore Well-Known Member

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                    Not my experience, parts come apart easily and the old material cleans off with little effort, much better then silicone products.
                     
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