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Added an external head breather

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  #1  
Old 09-24-2022, 02:19 PM
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Default Added an external head breather

I used a DIY, DK Custom’s external breather, with a catch can, today. I have a Fuel Moto AC/DC intake, which is basically an S&S Stealth, re-badged. I couldn’t get the basic setup, because my intake requires drilling and tapping, into the intakes housing, to create new vent passages.
I removed my intake, and determined where I needed to drill the 11/32” holes. After drilling the holes, I had to tap new threads, to install the hose barbs. And once those were installed, all I had to do was run the hoses to inconspicuous places. The catch can fit somewhat snuggly between my oil cooler and engine guard, on my left side. I may move it later, but, I was trying to stay away from extreme heat sources, but keep it hidden. Not an easy thing to do.
It might be just my imagination, but, it feels as though I have slightly better throttle response now.







 
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  #2  
Old 09-24-2022, 03:53 PM
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Nice work man! Anytime you can get that **** from recirculating back into the motor you’ll be better off.
 

Last edited by HD Bobber; 09-24-2022 at 03:56 PM.
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  #3  
Old 09-25-2022, 08:00 AM
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I didn't put a catch can on mine. I just ran the hose down under the bike.
 
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  #4  
Old 09-25-2022, 08:21 AM
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very nice! that's what I did as well, I just pieced it together myself, and as said by others, I didn't use a catch can, mine is vented under the right side of the bike
 
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Old 09-25-2022, 08:26 AM
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Originally Posted by Bafflingbs
It might be just my imagination, but, it feels as though I have slightly better throttle response now.
Always love it when that happens! Bonus, whether it is true, or not.
Nice work man
 
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  #6  
Old 09-25-2022, 08:27 AM
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I did the same , hardest part was drilling and tapping , instead of using standard hose clamps , I used compression clamps , really cleans things up . The only problem , is you have to have the correct tool to use them , I already had it from doing a lot of irrigation work . I only ran my hose out to atmosphere , not a lot of oil coming out , so not worth the catch can .



 
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  #7  
Old 09-25-2022, 08:29 AM
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Originally Posted by MyFavRk
I did the same , hardest part was drilling and tapping , instead of using standard hose clamps , I used compression clamps , really cleans things up . The only problem , is you have to have the correct tool to use them , I already had it from doing a lot of irrigation work . I only ran my hose out to atmosphere , not a lot of oil coming out , so not worth the catch can .


Was just going to suggest them, too. I luckily have 100s of them at work, and you can get the pliers on Amazon now, pretty cheap. Used to not be the case.
 
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  #8  
Old 09-25-2022, 08:50 AM
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If you live near a Harbor Freight , you can pick up a pair of these , cheap , they work too . Just file / grind the sharp edge off .







 
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  #9  
Old 09-25-2022, 08:58 AM
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I like using mechanics/safety wire for stuff like that. Super clean look.
 
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Old 09-25-2022, 08:59 AM
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Last edited by Bafflingbs; 09-25-2022 at 09:09 AM.


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