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Thread: Core Plug size?

  1. 10th February 2011, 02:55 PM #1
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    Core Plug size?

    Anyone know the exact size of the core plugs in the side of the S1 2litre block?

    You won't find me on: faceplant; Scipe; Infragam; LumpedIn; ShapCnat or Twitting. I'm just not that interesting.
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  2. 10th February 2011, 07:13 PM #2
    chazza
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    If they are the same size as the 1.6 litre, I can go and measure my spare ones for you,

    Cheers Charlie
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  3. 10th February 2011, 08:35 PM #3
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    Quote Originally Posted by chazza View Post
    If they are the same size as the 1.6 litre, I can go and measure my spare ones for you,

    Cheers Charlie
    Pretty sure they're the same!

    You won't find me on: faceplant; Scipe; Infragam; LumpedIn; ShapCnat or Twitting. I'm just not that interesting.
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  4. 11th February 2011, 08:27 AM #4
    chazza
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    Whoops forgot to ask you which core plugs!

    The threaded ones are 1" British Standard Conduit, 16 t.p.i.

    The cupped ones I also bought from Dunsfold, let me know if you want them measured but I have installed them, so it might be tricky to measure,

    Cheers Charlie
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  5. 11th February 2011, 11:43 AM #5
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    plugs

    Quote Originally Posted by Lotz-A-Landies View Post
    Anyone know the exact size of the core plugs in the side of the S1 2litre block?
    Diana :

    If your after the three cupped style plugs in the side of the block.. the size is rather odd , something like 1 and 15/16" ... can't remember exactly from memory. BUT, most engine rebuilders and even auto parts shops stock brass ones in many sizes . I managed to buy some in Warragul much to my amazement.

    MIKE
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  6. 11th February 2011, 05:22 PM #6
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    Diana.

    I think the old size is 1"/31/32 or 50mm. but i stand to be corrected.
    I have a box of them somewhere..........
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  7. 11th February 2011, 05:37 PM #7
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    very timely post as i have just done one on my 57 today, yes they sell the 50mm ones at repco but they are a tad to big... armed only with a bench grinder sorted!!! a little bit at a time and in it goes all good now
    i think they are about 1mm to big
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  8. 11th February 2011, 08:48 PM #8
    back_in
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    plugs

    Hi Diana
    when in UK last
    i was told the thread was British Standard Pipe
    the 1600 are smaller, 2ltr are a larger diam.
    if you want some I have several sticks with 5 or 6 plugs in a threaded lenght
    they are wound in and then cut off flush
    send me a PM
    cheers
    Ian
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  9. 11th February 2011, 09:02 PM #9
    Lotz-A-Landies's Avatar
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    Ian

    It's the cup core plugs I want the size for (the ones that some people wrongly call Welch plugs).

    Diana

    You won't find me on: faceplant; Scipe; Infragam; LumpedIn; ShapCnat or Twitting. I'm just not that interesting.
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  10. 12th February 2011, 08:59 AM #10
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    Plugs

    I am one of those people that would call them Welch plugs, and the holes are a pretty common size in Welch plugs available at Bursons and the like in Brass.
    I have a steel one that I just take in and say give me some in brass.
    I have not seen the round, hit in the centre plugs for some time.
    Will get out the sliding measuring stick later today and let you know the outside diameter of the plug, this is often stamped on them.
    The thread on the sacrificial anodes (Al plugs in the block) is in deed British conduit not pipe.
    Dennis
    PS there are some stell plugs about with a brassy finish, good for a week or 2.
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