New Breather Filter Test *PICs*
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Seasoned HDF Member
Joined: Dec 2008
Posts: 19,745
Likes: 1,183
From: Jamestown, CA
Tourer
Joined: Oct 2011
Posts: 287
Likes: 1
From: Montreal
I seriously doubt a vac signal is needed with those 2 big pistons pumping in that small crank case ......the pulses of air from the down strokes of the pistons should be producing more than enough pressure to evacuate any crank case gases to atmosphere through the small breather vents / umbrella valves...... as far as oil contamination goes......use a good synthetic oil and change it at a respectful interval . moisture and "combustion by products" as mentioned in a earlier post will most definitely remain in the oil and only partially be removed as vapor . so.....pumping it back into the motor is just wrong . just my 2 cents .
I think I'm gonna spring for this. It's worth the piece of mind for the low price it costs.
Hey Kevin if I want to use this particular kit in this link http://dkcustomproducts.com/Twin-Cam...-ACI-TC-BR.htm
but I'd want to use braided hoses instead of that black rubber one. How long would my braided hose need to be?
Thanks.
Hey Kevin if I want to use this particular kit in this link http://dkcustomproducts.com/Twin-Cam...-ACI-TC-BR.htm
but I'd want to use braided hoses instead of that black rubber one. How long would my braided hose need to be?
Thanks.
For the air cleaner you have in your sig pic 2 feet of braided will be more than enough.
Would be cool to get a pic of your bike after you install it.
Kevin@DKCustomProducts.com
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DKCustomProducts.com
DKCustomProducts.com
Elite HDF Member
Joined: Jul 2008
Posts: 4,762
Likes: 12
From: north jersey
Hey Alain,
For the air cleaner you have in your sig pic 2 feet of braided will be more than enough.
Would be cool to get a pic of your bike after you install it.
Kevin@DKCustomProducts.com
For the air cleaner you have in your sig pic 2 feet of braided will be more than enough.
Would be cool to get a pic of your bike after you install it.
Kevin@DKCustomProducts.com
Or is there another way to install.
Here is a close up pic. Let me know if you need more.
And I would absolutely send you a bunch of pics after I install
Last edited by Alain; Jan 11, 2015 at 08:10 PM.
If you went with the black hose I believe you could use the OEM breather bolts, no drilling needed.
http://www.dkcustomproducts.com/Twin...-DK-TC-BRT.htm
If you want to use the braided hose, then drill & tap is the way to go.
http://www.dkcustomproducts.com/DIY-...IY-SSH-BRT.htm
Stellar HDF Member
Joined: Jan 2013
Posts: 2,721
Likes: 103
From: St. Louis, MO
You guys may want to do a Blackstone oil analysis after doing this and see what's going on in your oil. I do one every couple of years in my vehicles to see what's going on. Not expensive and I've learned that I can stretch oil changes longer than 3000 as there is always plenty of TBN left in my oil when I send it in.
I keep my vacuum on my crankcase in all vehicles, though I do have an oil catch can on my Vette to keep oil out of the intake (LS engines have a fair problem with oil in the intake as there is no PCV valve). They make catch cans for Harleys too if you are really worried about oil in your intake (I'm not).
http://www.blackstone-labs.com
I keep my vacuum on my crankcase in all vehicles, though I do have an oil catch can on my Vette to keep oil out of the intake (LS engines have a fair problem with oil in the intake as there is no PCV valve). They make catch cans for Harleys too if you are really worried about oil in your intake (I'm not).
http://www.blackstone-labs.com
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Road Warrior
Joined: May 2013
Posts: 1,430
Likes: 55
From: Florida
Alain, One other option I had considered would be machining/grinding enough material off the back/inside of breather backplate mounts to fit a Banjo with O-rings in between there.That would have to be pretty precise so I drilled/Tapped my SE Breather.