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Harry Ferguson Tractors Discussion Forum
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Will a K N filter work?

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Dennis P in Ohi

12-17-2005 07:11:38




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On my TE 20? I am thinking of retrofitting a K & N filter in place of the "oil bath", because the K & N is much more efficient. Looking in the Summit Racing catalogue today, I see there are many configurations available. I intend to use a foam type "pre-filter" with it. Of course, I am wondering if I need to be concerned about any problems this could cause.
If anyone out there has done this, I'd sure love to hear about it.

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Fred OH

12-21-2005 05:51:30




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 Re: Will a K N filter work? in reply to Dennis P in Ohio, 12-17-2005 07:11:38  
I have an air comppressor that had no air cleaner on it so I went down the road to the mall (read junkyard) and found one from a John Deere combine. I made it fit on the air intake and then decided that I needed a filter for it....being busy and no time to run to town, I took a new furnace filter, cut a four inch strip of it, rolled it up like toilet paper and stuck her in and put the lid on. It still runs that way and thats been several years ago...at least ten years and if it gets dirty i can blow it out or replace it...REAL CHEAP! Surprising what you will come up with if you use your imagination. Might even go good wrapped around your K&N filter when you are out bush hogging where theres a lot of stuff to get on there. Fred OH

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SandyB@TN

12-17-2005 18:02:54




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 Re: Will a K N filter work? in reply to Dennis P in Ohio, 12-17-2005 07:11:38  
Not a problem and there's nothing to it. I would give you the part number but I've managed to lose it.
Remove the pipe that connects the old air filter to the carburetor air horn. Slide the K&N filter on and tighten the hose clamp that holds it on. You're done with the conversion. You may have to adjust the carburetor after the installation. I didn't on mine, but I won't say you won't on yours. Measure the diameter on the carb air horn so you will have the dimensions to give to your parts house. Now measure straight back from the carb to find that dimension so you will know how much room you have to put it in. K&N had about 2 or 3 that would fit on mine. It's been awile since I had a TO-20 so I don't quite remember the layout, but I know it's fairly similar to the TO-35. Hope this helps.

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Dennis P in Ohio

12-18-2005 06:48:01




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 Re: Will a K N filter work? in reply to SandyB@TN, 12-17-2005 18:02:54  
I appreciate the info. It sounds like it"s a pretty straight forward conversion.
The only concern I have is that the carb intake is a small diameter and am wondering if there is a K & N filter that will fit directly, without some sort of an adaptor.



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SandyB@TN

12-18-2005 12:09:44




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 Re: Will a K N filter work? in reply to Dennis P in Ohio, 12-18-2005 06:48:01  
I don't think you'll have any problem. My parts house had a catalog that showed the dimensions of all their filters. You'll find one that will fit. Just take the measurements so you'll know what you are looking for.



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SandyB@TN

12-17-2005 09:26:41




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 Re: Will a K N filter work? in reply to Dennis P in Ohio, 12-17-2005 07:11:38  
You bet it will work. I have one on my TO-35. The engine is much more responsive. Even when it gets dirty it's doing a better job than the oil bath and it is not anywhere near as restrictive. I can't prove it, but I'm sure it adds a few more horses to the whole affair.



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DennisPinOhio

12-17-2005 10:48:03




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 Re: Will a K N filter work? in reply to SandyB@TN, 12-17-2005 09:26:41  
Thanks for the response. I have contacted K & N Engineering for assistance in selecting the proper filter for my application.
Perhaps it would be helpful to me and others if you would share with us how you performed the retrofit.
Thanks again.
Dennis



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jerrycpp

12-17-2005 08:55:49




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 Re: Will a K N filter work? in reply to Dennis P in Ohio, 12-17-2005 07:11:38  
I've not put one on my TO-20, but I'm sure impressed with it on my Yamaha. I would think as long as it's out of the weather (under the hood) it should be fine, and you're correct in thinking it would be far and away more efficient than the oil "bath." If paper filters had been available in 1947, that's what Harry would have used.



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