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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
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Moline Muffler PIC

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Shep VA

11-27-2005 09:34:48




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Here is what the muffler looks like. I shoved that up in the chrome pipe and welded them togeather at the bottom. They should both clamp to the manifold.

I just hope I dont have too much back pressure. I only drilled about 100 holes with the drill press for about an hour..... WHEW...

If this works I will have to go into business :-)

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Baelee05

11-27-2005 13:23:49




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 Re: Moline Muffler PIC in reply to Shep VA, 11-27-2005 09:34:48  
Shep, I think you are going to have too much back pressure with that setup. As someone else mentioned I don't think the noise will be too bad now that you have the turbo on there. Let us know how you make out.



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Shep VA

11-27-2005 17:48:54




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 Re: Moline Muffler PIC in reply to Baelee05, 11-27-2005 13:23:49  
Yeah I am really worried about the back pressure the more I think about this. The pipe inside is 36 inches long, 3.5 inches round and like I said I drilled about 100 7/16ths holes in it with a lot of holes on the top. I will try it like this and if it seems it is backing up the engine I will pull it back apart.

It was a neat idea, I guess I will see if it works or not.....



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IanC

11-28-2005 09:36:12




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 Re: Moline Muffler PIC in reply to Shep VA, 11-27-2005 17:48:54  
I didn"t see a waste gate in the picture. If you aren"t using one then the easiest way to control boost pressure is with exhaust restriction. You may want to check your boost pressure before eliminating back pressure. Remember the D585 turbos were initially put on by MM as altitude compensators (and that"s how they are listed in the parts book.



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Shep Va

11-28-2005 10:04:14




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 Re: Moline Muffler PIC in reply to IanC, 11-28-2005 09:36:12  
Nope, there is no wastegate on the charger. That is a really good point about the restriction, I had not thought of that. I am toying with the idea of putting a boost gauge and a pyro on the tractor so I can see what is going on with the charger. It is a fine line between boost and heat when you start turning the fuel to an engine.

This is the true turbo ment for this engine. It was actually designed for the White 2-155 I think??? that had the same engine.

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IanC

11-29-2005 09:37:15




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 Re: Moline Muffler PIC in reply to Shep Va, 11-28-2005 10:04:14  
The White with the D585 was the 2-150 they wre not turbo'd. I've got one +.040 bore we had it turned up to 185hp, but decided to bring it back down to 160 for longer life. The 2-135/2-155 had DT5000 Hercules at 478 cu.in. You just have to remember that it's only a 4 main engine even if the mains ARE whoppers. What I like is the bottom end pulling 6x16 on land I can drop plow in the ground at 1/3 throttle and run throttle ahead and it just pulls away.

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JerryB

11-28-2005 14:25:09




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 Re: Moline Muffler PIC in reply to Shep Va, 11-28-2005 10:04:14  
Great looking job.

Putting a boost gauge on the intake side is almost a must in order to keep track of the turbo's health and engine performance. A pyro is a good idea as well. Keeps an eye on temps to preven turbo and related damage.

If you are worried about back pressure a boost gauge could be hooked up before the exhaust pipe to determine if and how back pressure you have.

Restrictiong the exhaust is a cheap and easy way of controlling boost, but as we all know it is not the most efficent way. However I have seen many engine that did not have a waste gate and functioned just fine. You may not even need one.

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Don-Wi

11-27-2005 18:22:54




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 Re: Moline Muffler PIC in reply to Shep VA, 11-27-2005 17:48:54  
I ran our 1855 w/out a muffler while the manifold was busted, and it wasn't much louder than with a muffler, much to my surprise. I put on a pipe that brought it well above my head, and I ran it for 2 weeks before I fixed the manifold.
Donovan from Wisconsin



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