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Remove injector system 140-160

posted by  David3355 on  Sun Feb 18 08:39 CST 2007
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last visit: Fri Jul 8 17:42 CST 2011
[RELATED]

I bought a 140 on Friday and learned that the recently installed dual carburetor system is in addition to the injectors still being on the engine. Has anyone removed injectors and plugged the holes? Where can plugs be obtained?

Thanks,
David








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    ANSWER Remove injector system 140-160

    posted by  walrus3 on  Sun Feb 18 12:40 CST 2007
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    last visit: Mon Dec 2 14:20 CST 2013
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    Be sure the plugs you get are saucer-shaped and not cup-shaped.
    Less than $1 apiece. Take off the aluminum injector holders and the
    O-rings, bakelite washers, etc and make sure the holes are clean.
    --
    George Downs Bartlesville, Heart of the USA!

    This post has been marked as an answer to the original question.



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      happen to know which type IPD has? (nmi) 140-160

      posted by  s_r_c on  Sun Feb 18 12:58 CST 2007
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      last visit: Wed Jul 6 23:51 CST 2011
      [RELATED]








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        happen to know which type IPD has? (nmi) 140-160

        posted by  walrus3 on  Sun Feb 18 13:19 CST 2007
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        As usual, theirs are the right ones but unless you are in Portland it is
        usually handier to go to NAPA, O'Reilly's, etc.
        The cup-shaped ones won't work at all. The hole isn't deep enough.
        --
        George Downs Bartlesville, Heart of the USA!








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        happen to know which type IPD has? 140-160

        posted by  Phil S. on  Sun Feb 18 13:19 CST 2007
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        last visit: Fri Oct 24 13:18 CST 2014
        [RELATED]

        Saucer-shaped. I think they're 17mm, not 7/8". I've used them on a bunch of engines and they work fine.








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          happen to know which type IPD has? 140-160

          posted by  walrus3 on  Sun Feb 18 15:34 CST 2007
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          last visit: Mon Dec 2 14:20 CST 2013
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          17mm = 0.669" 22mm = 0.866"
          I've probably done half a dozen heads with them and used 7/8" (0.875")
          and they fit real well. More than about 0.015" smaller and they won't
          expand enough to stay in the hole. 22mm might work but I have doubts about
          it being tight enough to stay in the hole.
          --
          George Downs Bartlesville, Heart of the USA!








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            happen to know which type IPD has? 140-160

            posted by  Phil S. on  Mon Feb 19 06:49 CST 2007
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            last visit: Fri Oct 24 13:18 CST 2014
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            Oops, there goes my CRS (Can't Remember Squat) again... looked it up in their catalog, and the IPD plugs are indeed 7/8".








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              happen to know which type IPD has? 140-160

              posted by  walrus3 on  Mon Feb 19 07:08 CST 2007
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              last visit: Mon Dec 2 14:20 CST 2013
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              Yeah, tell me about it.... I can hardly remember when I used to work for a
              living! I sure can remember when I dropped the end of a B30 cylinder head
              on the end of my ring finger and split it open though! I can also remember the
              nice doctor at the Yuma Proving Ground Health Clinic sewing it back shut for me.
              Can't even see the place on my finger! (Wish I could sew like that! He used
              a little flat needle like an upholstery needle that would just fit around a
              wooden pencil. I think the suture was welded to the tail end of the needle.)
              OOooops-- There I go blathering again. ¿How many times have I told you that?
              --
              George Downs Bartlesville, Heart of the USA!








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    Remove injector system 140-160

    posted by  Evan R on  Sun Feb 18 09:21 CST 2007
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    last visit: Sun Sep 28 22:24 CST 2014
    [RELATED]

    Any decent auto parts store (Think NAPA) has 7/8" frost plugs. If you're feeling anal, pop 'em in with some RTV.








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      Remove injector system 140-160

      posted by  Blue Horse on  Tue Feb 20 10:44 CST 2007
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      last visit: Mon Apr 8 17:57 CST 2013
      [RELATED]

      Silicone is not suitable for this application as it is not gasoline resistant. I would be inclined to install the plugs dry. As long as they are the right size, they will seal correctly.







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