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Farmall & IHC Tractors Discussion Forum
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Exhaust pipe and muffler replacement

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Mike CA

11-15-2006 14:44:52




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My H has a torn up exaust pipe coming out of the manifold. It has to be replaced before I can put a new muffler on it. I saw in a catalog that a pipe was only about $15 to replace. But how hard wiill the old one be to get out? I haven't tried, and they look like they just thread in there, but after an unknown amount of years, do they come out smooth, or do I have a fight ahead of me? What tool(s) will work best?

As far as the muffler, they sell steel ones for under $30. Can I get these chromed, or should I find and buy an already chromed one? Does it matter that it isn't an IH muffler, or should I spend the money to get an authentic IH muffler? I'm assuming I can buy an IH stamped one from the dealer, but again the subject of chroming comes up.

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F-Dean

11-16-2006 06:36:35




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 Re: Exhaust pipe and muffler replacement in reply to Mike CA, 11-15-2006 14:44:52  
In my opinion, these old tractors all sound better with a straight pipe. Just go to an exhaust shop and buy a 2-foot piece that fits.



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r4etired

11-16-2006 05:59:50




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 Re: Exhaust pipe and muffler replacement in reply to Mike CA, 11-15-2006 14:44:52  
Mike, If you have a commercial heating contractor availible, they can thread you a piece of 2in sch.40 black pipe with a deeper than standard thread, it will thread into the rusty threads a lot better than standard.I have made several for local farmers.



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RustyFarmall

11-16-2006 05:28:05




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 Re: Exhaust pipe and muffler replacement in reply to Mike CA, 11-15-2006 14:44:52  
Mike, I will add only one comment. Removing and replacing that pipe needs to be done while the manifold is still bolted to the engine. It is very difficult to clamp the manifold in a bench vise and keep it solid while you exert the forces required to accomplish the task.



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gene bender

11-16-2006 05:09:46




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 Re: Exhaust pipe and muffler replacement in reply to Mike CA, 11-15-2006 14:44:52  
You can get the pipe at any store that has pipe. Big trick is getting heat from torch to get old one out then re-threading the manifold. Most dealers have the muffler with the baffle that sounds good around 30bucks. You can spend a lot more getting powder coated and even stainless ones its only money.



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FarmallMick

11-15-2006 19:39:20




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 Re: Exhaust pipe and muffler replacement in reply to Mike CA, 11-15-2006 14:44:52  
I agree w/ CNKS. I bought an after market muffler for my H from Central Tractor. Just didn't sound right. So I bought a muffler from an IH dealer, purrs like a kitten & it didn't cost that much more!



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Janicholson

11-15-2006 18:23:28




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 Re: Exhaust pipe and muffler replacement in reply to Mike CA, 11-15-2006 14:44:52  
The other posts have the pipe removal under control, be sure to align the 2" NPT Pipe thread tap (correct term) into the exact thread from the previous threading. It is easy to get it crooked and make a crossthread out of it. There are several stainless steel mufflers in the archives. One on an H I posted from our fair in MN. Some one responded with a thread to other SS mufflers, Good luck, JimN

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rwilliam

11-15-2006 17:33:03




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 Re: Exhaust pipe and muffler replacement in reply to Mike CA, 11-15-2006 14:44:52  
Whenever we take the pipe out we heat it with a sedaline torch then let it cool. This Brakes the threads lose and they normally turn right out. Run the die through the threads and put in a new piece of pipe.



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TomH in PA

11-15-2006 17:08:53




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 Re: Exhaust pipe and muffler replacement in reply to Mike CA, 11-15-2006 14:44:52  
Give it a try with a pipe wrench first. Don"t lean on it so hard you break the manifold, but often the pipe will come right out.



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David Kronwall

11-15-2006 16:35:18




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 Re: Exhaust pipe and muffler replacement in reply to Mike CA, 11-15-2006 14:44:52  
Mike...I had the opposite problem with my Super M. The previous owner must have gotten tired of removing the muffler clamp to remove the muffler to remove the hood, so he let the exhaust pipe with muffler attached rattle around in the manifold. You know what that did to the threads. I COULD NOT thread it in to the manifold no matter how many times I tried. I replaced it with a new piece of black pipe (2" dia., I think) from the hardware store. Nothing exotic, just black pipe. An 8" or so length cost $10.00. I was able to thread in the new pipe after cleaning up the manifold threads a bit with a wire brush.

I also wanted to paint the muffler, since it was black, so I bought two high-temperature paints. One was Rust-oleum "High Heat" silver color. The other was Specialty Sprays Premium Decor "High Heat" aluminum color. I tried the aluminum color, but I think it looks a bit too shiny--though it certainly wouldn't be mistaken for chrome. I think the other, silver color might look better--not so lively. I'm still looking at them both.

Can anyone else shed some light on what color looks most like the original muffler? Hope this provides some helpful info. David

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Larry Martin

11-15-2006 15:41:05




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 Re: Exhaust pipe and muffler replacement in reply to Mike CA, 11-15-2006 14:44:52  
As an old retired pipefitter I have done this a number of times. Place a rag in the pipe below the top of the manifold and cut the pipe off flush with the manifold with a sawzall. Take the sawzall and cut two verticle slots in the remaining pipe in the manifold being carefull to not cut too deep. Then take a small chisel and coulapse the pipe and remove. Take a 2" pipe tap and c;ean up the manifold. Take a shop vac anf clean out the manifold. remove the rag and install a new piece of 2" black pipe.

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Ron in Nebr

11-15-2006 15:38:39




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 Re: Exhaust pipe and muffler replacement in reply to Mike CA, 11-15-2006 14:44:52  
Not sure if I've ever seen an actual chromed muffler on a tractor? Now, there's alot of chromed straight pipes out there, but I wouldn't think you'd want that- just a straight peice of chromed exhaust pipe sticking up with no muffler.

You MIGHT be able to buy a replacement muffler and take it to a chrome shop and have it chromed, but I don't think the chrome would stay looking good very long. Chrome tends to turn purplish with heat....check out the chrome pipes on motorcycles.

Besides, wasn't your original goal to have an H just like your grandpas? A quality replacement muffler would come closest to that I bet.

To get the old pipe out, you'll probably need a big pipe wrench and a blue wrench....if that fails you'll have to cut it out like mentioned in the thread below.

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CNKS

11-15-2006 14:57:53




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 Re: Exhaust pipe and muffler replacement in reply to Mike CA, 11-15-2006 14:44:52  
Dealer mufflers are not the same as the one that came on your tractor. The closest you can get to that is one from Mark's Tractors -- has the original sound and is very close to OEM.



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Mike CA

11-15-2006 23:24:28




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 Re: Exhaust pipe and muffler replacement in reply to CNKS, 11-15-2006 14:57:53  
Do you have a website for them?



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farmallhal

11-16-2006 19:07:15




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 Re: Exhaust pipe and muffler replacement in reply to Mike CA, 11-15-2006 23:24:28  
You can contact Mark Wood at (217) 694-4735 and he is located at 2636 County Rd. 2300 E, Gifford, IL 61847. He does not list a website. His business hours are noted as 7:30 a.m. to 5:30 p.m. CST (two hours ahead of you in CA). He is a regular advertiser in Red Power magazine. His original look and sound muffler is listed at $79 + $10 shipping. The original style muffler clamp is listed at $7. Good luck on your restoration. Hope this helps, Hal.

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neblinc

11-16-2006 05:23:43




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 Re: Exhaust pipe and muffler replacement in reply to Mike CA, 11-15-2006 23:24:28  
I bought my muffler from them after CNKS recomended it. It has the smaller diameter upper tube compared to the larger aftermarket ones.

They don't have a website but the phone number is 217-694-4735

Randy



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IBorange in TX

11-15-2006 14:55:08




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 Re: Exhaust pipe and muffler replacement in reply to Mike CA, 11-15-2006 14:44:52  
I replace the exhaust pipe on my H. It was not an easy task. Had to put a shop towel down the pipe to catch the metal chips, then used a small cold chisel to cut the sides of the old pipe. Cut 3 rows down the inside of the pipe. It broke off right at the manifold, but finally got the old pipe out. I ran a pipe die in the threads to clean them and then removed the shop towel very carefully and put the new pipe in the manifold. Just plan on a good nights work on getting the old piece of pipe out. Don't get in a hurry, you might regret it.
Look into the heat treated paint for the "chrome look" on the muffler.
Good Luck.....

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