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Allis Chalmers Discussion Forum

Manifold on 49 WD

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Author  [Modern View]

09-18-2014 08:51:56

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It appearantly is warped on the R end facing it. I cant see how it can be leveled out as the gaskets fit over a rim on each hole. Can the manifold be shaved level or not?

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Aaron SEIA

09-20-2014 04:10:27

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 Re: Manifold on 49 WD in reply to Farmallb, 09-18-2014 08:51:56  
They can be milled smooth. I have had a coupled done that way. I don't think a new aftermarket one is all that much either, as an option.


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09-19-2014 20:58:54

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 Re: Manifold on 49 WD in reply to Farmallb, 09-18-2014 08:51:56  
Seems to me all the Port ends are aligned...

If so, no reason they cannot be milled even..

I rub "Hi-Temp" Silicone into the asbestos rings, stick them in the metal cups, then stick them on the manifold runners..

Makes the installation easier and the gaskets seem to last a lot longer..


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09-20-2014 08:55:23

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 Re: Manifold on 49 WD in reply to BushogPapa, 09-19-2014 20:58:54  
Well, the port on the R side facing it is blowing smoke, so I would think that it wasn't aligned. I have had new gaskets put on it with no effect. Was thinking of seeing if there is a material I could cut a washer like ring and insert it between the gasket rings on the manifold and block.

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09-21-2014 19:23:04

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 Re: Manifold on 49 WD in reply to Farmallb, 09-20-2014 08:55:23  
If the tractor was used an extended length of time with that exhaust gasket blown out, the manifold could be burnt away enough to need machined to a new mating surface and that would re-surface all the port ends to even them up.

I suppose, you might try putting 2 of the fiber gaskets in the metal cup on that end. I do prefer to rub "Hi-Temp" Silicone into the fiber gaskets. I feel it makes them last longer...


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