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Muffler Sound Test


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14 replies to this topic

Poll: Muffler sound test (17 member(s) have cast votes)

Which do you like?

  1. Pepper Top muffler (0 votes [0.00%])

    Percentage of vote: 0.00%

  2. Gravely muffler (2 votes [11.76%] - View)

    Percentage of vote: 11.76%

  3. Voted Cub Cadet Horizontal (7 votes [41.18%] - View)

    Percentage of vote: 41.18%

  4. Cub Cadet Vertical Stack (5 votes [29.41%] - View)

    Percentage of vote: 29.41%

  5. Larger Canister (3 votes [17.65%] - View)

    Percentage of vote: 17.65%

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#1 DH1 OFFLINE  

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Posted September 29, 2013 - 12:31 PM

This is something I wanted to do for a while now and today is the day I did it.

I have 4 different commonly available mufflers that I put on the same tractor, engine, to compare sound.

I don't have a sound meter so you have to use your ears.

Test tractor has a 15hp cast iron B&S engine.

 

Pepper top

1" pipe threads

001.JPG

 

Gravely

made for 16hp Kohler engines in Gravely tractors

002.JPG

 

Cub Cadet

Made for 12hp Kohler  engines in Cub Cadet GTs, not sure if it's too restrictive for 15hp, 16hp engines???

003.JPG

 

 

 

Large Canister

Used in garden tractors with 16hp Kohlers

004.JPG

 

005.JPG 006.JPG 007.JPG

008.JPG 009.JPG

 

 

 

 


  • olcowhand, Canawler, IamSherwood and 6 others have said thanks

#2 chris m OFFLINE  

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Posted September 29, 2013 - 01:28 PM

That was an interesting test Doug. You really did a great job on the presentation of them all also! Thanks for posting this! :thumbs:

 

I really like the sound and look of that cub ( horizontal).



#3 olcowhand OFFLINE  

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Posted September 29, 2013 - 01:40 PM

I voted vertical cub just for looks, but cub horizontal is close in looks as well, and truly, the horizontal would be best as it will carry sound away from you better.


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#4 boyscout862 OFFLINE  

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Posted September 29, 2013 - 01:43 PM

Nice job. It sounded happiest with the large canister. It also sounds like the valves will need to be looked at. At high revs she sounds like a valve is "floating" a little bit. The tractor is a beauty! Good Luck, Rick



#5 superaben OFFLINE  

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Posted September 29, 2013 - 06:09 PM

That old Cub Cadet muffler sure looks good on the tractor, though.  :thumbs:

 

Ben W.



#6 IamSherwood OFFLINE  

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Posted September 29, 2013 - 06:38 PM

I can't believe you turned Unico into Lab Rat, within 1 week. Man I would have hated being your

puppy dog, when you where a wild young Doug. :(  :poke:  :smilewink:

 

I pick the Cub Cadet version.


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#7 Canawler OFFLINE  

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Posted September 29, 2013 - 08:19 PM

It's tough to determine this from videos so I'll ask your opinion.  Which seemed the quietest to you?



#8 DH1 OFFLINE  

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Posted September 29, 2013 - 08:29 PM

It's tough to determine this from videos so I'll ask your opinion.  Which seemed the quietest to you?

 

IMO

the large canister is the quietest.

the Cub Cadet muffler mounted Horizontal looks the best, almost as quiet as the big muffler.

the Gravely muffler is compact, small, not needing any extra bracing and sounds about the same as the Cub muffler.

the Pepper top, loud and annoying, I hate those mufflers.

 

I like the Cub Cadet muffler Horizontal best



#9 LilysDad OFFLINE  

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Posted September 29, 2013 - 08:55 PM

That Gravely muffler doesn't sound much better than a pepper pot.



#10 wvbuzzmaster OFFLINE  

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Posted September 29, 2013 - 09:19 PM

The pepper tops are on all my stuff. I voted cub vertical because I have one laying around right now that I pulled from my old Case 222. I returned that tractor back to factory due to the location the PO placed the muffler and plumbing fittings. Boy, you did not want to mow with steel toe boots, like an oven for toes!!! Lol

#11 LilysDad OFFLINE  

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Posted September 30, 2013 - 06:58 AM

I think the Gravely would have been better if it was pointed up and had a stack on it. Can you do it over?



#12 BTS OFFLINE  

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Posted September 30, 2013 - 07:01 AM

I put my vote towards the horizontal cub muffler, it really looks nice.

Great looking GT, Thanks for your trouble :thumbs:



#13 DH1 OFFLINE  

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Posted September 30, 2013 - 05:09 PM

I think the Gravely would have been better if it was pointed up and had a stack on it. Can you do it over?

 

Just for you.

 

001.JPG 003.JPG



#14 LilysDad OFFLINE  

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Posted September 30, 2013 - 05:25 PM

Thanks DH! I think the stack muffles a little more when it's wide open. It seems pretty subjective, though. It would sure be helpful if someone had a decibel meter. My own wish is that someone made a muffler the same size as a early 70s Wheel Horse muffler. A Stanley muffler for a Farmal A only shorten it to 12".



#15 MH81 OFFLINE  

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Posted September 30, 2013 - 06:20 PM

Thanks DH! I think the stack muffles a little more when it's wide open. It seems pretty subjective, though. It would sure be helpful if someone had a decibel meter. My own wish is that someone made a muffler the same size as a early 70s Wheel Horse muffler. A Stanley muffler for a Farmal A only shorten it to 12".

Caseguy makes them.

http://gardentractor...e-2#entry184051

The one he made for Ryan

http://gardentractor...nt/#entry257348




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