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Stack Mufflers


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#1 LTD OFFLINE  

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Posted March 17, 2013 - 07:10 PM

  I need a stack muffler for my 1100. Right now it just has a piece of stainless steel for one. I want to make it as quiet as possible, because it will be a mowing tractor. Where do guys get yours from?

It is a 1 1/8 inch pipe BTW.

IMG_1268.JPG


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#2 JRJ OFFLINE  

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Posted March 17, 2013 - 07:14 PM

That is a nice clean CC there.

 

 

Dick


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#3 LTD OFFLINE  

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Posted March 17, 2013 - 07:20 PM

That is a nice clean CC there.

 

 

Dick

Thanks!!! It just got repainted. The refurbish thread is over in the CC part of the forum.


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#4 New.Canadian.DB.Owner OFFLINE  

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Posted March 17, 2013 - 07:32 PM

If your into homebrew, you could try drilling 4 rows of 1/4" holes about 2" - 4" a part up your existing stack & slip a piece of 3" over it.  Seal the top of the 1 1/8" & the bottom of the 3".  Experiment with the hole sizes & spacing till you find a set that you like.


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#5 Grumpy OFFLINE  

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Posted March 17, 2013 - 08:03 PM

That is a nice clean CC there.

Tractor Supply down here in southwest Indiana

Chuck


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#6 Gtractor OFFLINE  

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Posted March 17, 2013 - 08:22 PM

Old motorcycle mufflers might work for ya.  I don't know the dia. but I'm sure there are several sizes and they are usually chrome. 


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#7 larryd OFFLINE  

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Posted March 17, 2013 - 08:23 PM

LTD , if you try New Canadians idea let us know how it works .

 

larryd


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#8 Grumpy OFFLINE  

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Posted March 17, 2013 - 08:24 PM

I have also used a stock muffler and mounted vertical


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#9 New.Canadian.DB.Owner OFFLINE  

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Posted March 18, 2013 - 07:19 AM

LTD , if you try New Canadians idea let us know how it works .

 

larryd

Just to be clear, I've never built one like that, but I would like to.  The design is based on a post around here somewhere called mufflers for dummies, or something like that, and some youtube videos on homemade silencers.  I think the hole spacing should be equal to the piston stroke and the hole size would be such that the total hole area would equal the area of the exhaust port.  You might want to put some steel wool in the 3" pipe for additional baffling & sound dampening.  Spent the night debating whether to leave the 1 1/8" pipe open on the end or not.  Food for thought & discussion ... Any pullers want to chime in?

 

 

Found it: http://gardentractor...actor-exhausts/


Edited by New.Canadian.DB.Owner, March 18, 2013 - 07:21 AM.

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#10 olcowhand ONLINE  

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Posted March 18, 2013 - 01:49 PM

This IH muffler from TSC makes a good stack muffler.  Pretty quiet and easy to mount.  1 3/8" inlest, so will require making or buying a reducer connector to your pipe.   MUFFLER  Here's a pic too.

 

Muffler; 22 in Size; 1 3/8 in Dia x 2 3/4 in (Inlet Length), 12 1/2 in (Shell Length), 1 1/2 in Dia x 6 3/4 in (Outlet Length); For Farmall Cub-Standard (not Lo-Boy) 

 

$T2eC16NHJF0E9nmFQi8LBQbzbH,RTw~~60_12.JPG

 

 

 


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#11 HowardsMF155 OFFLINE  

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Posted March 18, 2013 - 02:32 PM

This IH muffler from TSC makes a good stack muffler.  Pretty quiet and easy to mount.  1 3/8" inlest, so will require making or buying a reducer connector to your pipe.   MUFFLER  Here's a pic too.

 

Muffler; 22 in Size; 1 3/8 in Dia x 2 3/4 in (Inlet Length), 12 1/2 in (Shell Length), 1 1/2 in Dia x 6 3/4 in (Outlet Length); For Farmall Cub-Standard (not Lo-Boy) 

I don't know if it is this one or not, but there is a similar muffler at TSC that is a loose outside fit over the standard 1 inch pipe that many of these engines use.  I used a muffler clamp to tighen it down and added a brace.  Somewhere on here I posted a picture.

 

Ok, found the post, but couldn't seem to get the pictures to copy and repaste correctly.  So here is the link:

http://gardentractor...ndpost&p=219883

 

Mostly just shows the bottom.


Edited by HowardsMF155, March 18, 2013 - 02:41 PM.

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#12 grnspot110 ONLINE  

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Posted March 18, 2013 - 04:42 PM

The JD 67-112 I used to have:

 

GARDEN TRACTORS 141.jpg

 

Had the local muffler shop bend a pipe & weld to the Farmall Cub muffler & clamped it to a pipe nipple.  This was a very smooth running HH100 Tecumseh (when it ran), so it didn't need any bracing.  If your vibrates much, brace the stack to avoid breaking the exhaust port!

 

GARDEN TRACTORS 508 (Small).jpg

 

My JD L/60 Custom w/8 HP Briggs:

 

GARDEN TRACTORS 573 (Small).jpg

 

It has a standard small engine muffler (cigar type) w/ a piece of exhaust pipe over the outside of the muffler, large flat washers welded to the ends of the pipe.  ~~ Lowell


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#13 LTD OFFLINE  

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Posted March 18, 2013 - 06:40 PM

This IH muffler from TSC makes a good stack muffler.  Pretty quiet and easy to mount.  1 3/8" inlest, so will require making or buying a reducer connector to your pipe.   MUFFLER  Here's a pic too.

 

Muffler; 22 in Size; 1 3/8 in Dia x 2 3/4 in (Inlet Length), 12 1/2 in (Shell Length), 1 1/2 in Dia x 6 3/4 in (Outlet Length); For Farmall Cub-Standard (not Lo-Boy) 

I have tried one of those mufflers. They do seem to be fairly quiet. I didn't put a reducer on though and it was a little sloppy. What should I make a reducer out of?



#14 olcowhand ONLINE  

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Posted March 18, 2013 - 06:56 PM

I have tried one of those mufflers. They do seem to be fairly quiet. I didn't put a reducer on though and it was a little sloppy. What should I make a reducer out of?

 

If you don't need all the long end of pipe on the muffler, you can cut off a short piece, cut a slit up one side, then spread to slip over your manifold pipe, then slip muffler over it & tighten.  If still too loose, you may need another piece to snug her up.  Metal conduit of the right size can be used also.  If you get it tight enough to take out the slop, but it still vibrates out of place, I drill a small hold at the juncture, then screw in a sheet metal screw to secure it in place.


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#15 LTD OFFLINE  

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Posted March 18, 2013 - 06:58 PM

If you don't need all the long end of pipe on the muffler, you can cut off a short piece, cut a slit up one side, then spread to slip over your manifold pipe, then slip muffler over it & tighten.  If still too loose, you may need another piece to snug her up.  Metal conduit of the right size can be used also.  If you get it tight enough to take out the slop, but it still vibrates out of place, I drill a small hold at the juncture, then screw in a sheet metal screw to secure it in place.

Thanks for those tips. I will give that a try.






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