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Anyone doing the breather bypass on your M8?

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  #221  
Old 09-09-2018, 06:44 PM
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Originally Posted by FLshovelhead
Any idea when the kits that are compatible with Arlen Ness inverted air cleaners will be in stock / available?

Ness ran out of bolts a few months ago, and they still don't have an ETA on them, so we cannot say. However, if you send yours in we will modify them to work with whichever kit you want. Call or email if you'd like to have that done.
 
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  #222  
Old 09-09-2018, 06:56 PM
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DK Custom;17668716]We make, and have been making, quite a few different A/C's with External Breather Systems (EBS) for the M8 for 2 years now. You can see them at these two links- LINK1 & LINK2. The second link has a Performance A/C that works with the stock cover.

You can also see a variety or EBS kits for the M8 that will work with air cleaners that do not have them built in, at this LINK [/QUOTE]


Kevin, I've seen your screened breather bolts, and I had a question about them. Do they weep oil, since there are no hoses to direct the oil away? Also, I understand the oil "vapor" would be vented to atmosphere, but with the breather bolts, would the "milky snot" we see in some of these pics not just run back down into the crank case? Thanks for taking the time to address the issues discussed here.
 

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  #223  
Old 09-09-2018, 09:46 PM
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Originally Posted by BlkHillsBagger
DK Custom;17668716]We make, and have been making, quite a few different A/C's with External Breather Systems (EBS) for the M8 for 2 years now. You can see them at these two links- LINK1 & LINK2. The second link has a Performance A/C that works with the stock cover.

You can also see a variety or EBS kits for the M8 that will work with air cleaners that do not have them built in, at this LINK


Kevin, I've seen your screened breather bolts, and I had a question about them. Do they weep oil, since there are no hoses to direct the oil away? Also, I understand the oil "vapor" would be vented to atmosphere, but with the breather bolts, would the "milky snot" we see in some of these pics not just run back down into the crank case? Thanks for taking the time to address the issues discussed here.[/QUOTE]


The Breather Bolts work well for most Sportys, and they work well for about 40% of all Twin Cams and M8's. The majority of TC's and M8's spit too much oil out of the breathers, overwhelming the small filter on the Breather Bolts. There is no way to know which ones they will work well on or not...BUT, if it is built, as yours is, the probability is high that it will overwhelm the Breather Bolts. Best to choose an EBS option that utilizes a filter at the end of a hose.
 
  #224  
Old 09-10-2018, 08:09 AM
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Thanks for the fast and honest response Kevin! I want to get the A/C squared away before the new cam and headers go on this week.
 
  #225  
Old 09-12-2018, 03:10 PM
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Got mine done today
 
  #226  
Old 09-12-2018, 04:05 PM
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I decided to just go with a new A/C from DK Custom that was made for an external breather. Was hoping to get it in time for my dyne tune appt., but there was an error in the order when they sent my receipt.
 

Last edited by BlkHillsBagger; 09-12-2018 at 06:58 PM.
  #227  
Old 09-13-2018, 11:09 PM
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I used DK Customs supplied 606 air filter mated with the OEM cover. Ran the hoses down the right side with a filter on the end.
 
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  #228  
Old 09-13-2018, 11:21 PM
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And for those wondering, I did try the catch can. It works well if you ride easy and clean it after every ride. But that's not my style. I ride her long and hard...
 
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Old 09-14-2018, 08:13 AM
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I tried the catch can too for a while I guess my 16 blew too much.. even just commuting was a daily clean out or it would puff out the vent holes and make a mess...so now I run out to just in front of my crossover pipe...never even a spot on the garage floor
 
  #230  
Old 09-14-2018, 02:25 PM
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Originally Posted by stixvrad
I did the same mod as stixvrad on my 2017 FLHTK. It generated about an ounce of nasty oil / water condensation / snot in 1,500 miles. I'm glad that stuff isn't getting routed back into my motor.
 


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