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Allis Chalmers Discussion Forum

How to keep water out of the B Manifold

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03-05-2008 22:07:53

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What is your best suggestion on how to keep water from getting into the manifold on my "B" Allis Chalmers. 1939 Model, tall muffler. The manifold is good, it has a new muffler, but the way the muffler fits, water can run down around the bottom and get into the manifold. The tractor has to sit outside sometimes. I'm trying to find a good fix for this. Your ideas appreciated.

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03-10-2008 23:19:38

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 Re: How to keep water out of the B Manifold in reply to Pappy, 03-05-2008 22:07:53  
Dick L: That water fix is inspired! I should have thought of that!! LOL I have fought this problem on all models of AC for over 30 years. I used to leave the muffler loose so I could pull it and soup can the manifold. Now I just fanaticaly tarp when exposed to the elements.

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03-06-2008 03:39:52

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 My Never Fail Water Seal in reply to Pappy, 03-05-2008 22:07:53  
I use a 1 1/4" taper pipe tap. then install a 1 1/4" pipe nipple. The muffler then needs to be expanded to slip over the pipe nipple.

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Not a bright idea that I dreamed up. All my Olivers came that way from the factory.

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03-06-2008 20:49:42

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 Re: My Never Fail Water Seal in reply to DickL, 03-06-2008 03:39:52  
Thanks DickL. I have a couple of Farmalls with this exhaust pipe system. I can't think of anything better. Thanks!

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03-07-2008 13:09:24

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 Re: My Never Fail Water Seal in reply to Pappy, 03-06-2008 20:49:42  
If you get the standard underhood muffler, they are baffled so water does not go to the manifold. You can see this for yourself by pouring water in the top and seeing it come out of the hole off to the side.

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03-12-2008 18:42:08

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 Re: My Never Fail Water Seal in reply to ACRalph, 03-07-2008 13:09:24  
this will not last but is a cheep fix my uncel uses on his MM you get a pice of aluminum foil out and rap it around the botom of the mufler at the bottom whare it clamps and when the water runs down the side of the mufler some of it will still get in there but some will run off when it hits the foil will have to be changed when it falls apart having less water in there is bound to help some

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