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D-19 Manifold
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Pa'sOldA/C View Drop Down
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Joined: 21 Oct 2010
Location: missouri
Points: 134 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Pa'sOldA/C Quote  Post ReplyReply Direct Link To This Post Topic: D-19 Manifold
    Posted: 15 May 2011 at 11:52pm
 The theards are shot for my exhaust manifold, anybody have any suggestions. So far no luck on a two inch tap to try and get what threads left cleaned up.
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MACK View Drop Down
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Joined: 17 Nov 2009
Points: 7664 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 16 May 2011 at 8:39am
Use thread cutting oil on tap. If that don't work make a plate with 4 holes then drill and tap 4 holes to match plate in top of manifold. Weld a 2" pipe in plate goung into manifold as far as possible. Bolt to manifold and put muffler onto pipe.  MACK
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Pa'sOldA/C View Drop Down
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Joined: 21 Oct 2010
Location: missouri
Points: 134 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Pa'sOldA/C Quote  Post ReplyReply Direct Link To This Post Posted: 16 May 2011 at 2:13pm
Sounds like a good Idea but this one does not have the 4 holes.  An to make things worse it appears to be just a bit smaller than 2 inch.
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wfmurray View Drop Down
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Joined: 13 Sep 2009
Location: Bostic NC
Points: 1225 		Post Options Post Options   Thanks (0) Thanks(0)   Quote wfmurray Quote  Post ReplyReply Direct Link To This Post Posted: 16 May 2011 at 4:29pm
Don't fully under stand problem but could you brase a pipe coupling on to mainfold.
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ChuckLuedtkeSEWI View Drop Down
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Joined: 11 Sep 2009
Location: Jackson, WI
Points: 1826 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ChuckLuedtkeSEWI Quote  Post ReplyReply Direct Link To This Post Posted: 16 May 2011 at 8:41pm
I agree, I have a crap manifold here on my D17 with the threaded hole, or at least it used to have one.   I cut off the broken part, found a black pipe fitting with the same threaded hole, and tried to weld it on but the cast was so deteriorated, it kept falling apart.   So I brazed it on just to put a muffler on it to get it running to fix all the other issues.   That was two years ago and it is still holding together fine.   Not the prettiest thing, but it's my loader tractor, not a showpiece. 
1955 WD45 diesel 203322 was my dad's tractor, 1966 D15 23530, 1961 HD3 Crawler 1918, 1966 D17 IV 83495, 1937 WC 41255, 1962 D19 6221
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