Replace breathers or add external?
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Stellar HDF Member
Joined: Mar 2015
Posts: 2,941
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From: Winnipeg
Replace breathers or add external?
Twin cam with 60k . Noticing more oil dripping from filter than Id care to see. Should I lift the rocker covers and replace the breather assemblies? or just add an external? Its a SE backing plate btw. Is using the outlaw breather bolts with the filter an option? Seen others add these and then seal the ports in the backing plate. Seems like a bandaid but...
any thoughts?
any thoughts?
Grand HDF Member
Joined: Sep 2017
Posts: 4,359
Likes: 1,219
From: Dubuque, IA
Here's another option. I ran it on a sporty out of the cam chest. It worked good and no more mess dangling from the heads. You can run there too tho and leave the stock breathers in there.
I'll be doing something similar to my 103.
Drilled and tapped for a fitting in the cam cover and put a baffle inside to shield the 90° from oil splash. Sporty owners have been doing this ever since the change to head breathers.
I'll be doing something similar to my 103.
Drilled and tapped for a fitting in the cam cover and put a baffle inside to shield the 90° from oil splash. Sporty owners have been doing this ever since the change to head breathers.
Last edited by 60Gunner; Feb 11, 2020 at 05:00 PM.
Road Master
Joined: Feb 2015
Posts: 1,040
Likes: 203
From: Susanville CA
Twin cam with 60k . Noticing more oil dripping from filter than Id care to see. Should I lift the rocker covers and replace the breather assemblies? or just add an external? Its a SE backing plate btw. Is using the outlaw breather bolts with the filter an option? Seen others add these and then seal the ports in the backing plate. Seems like a bandaid but...
any thoughts?
any thoughts?
https://www.hdforums.com/forum/engin...stage-1-a.html
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Stellar HDF Member
Joined: Mar 2015
Posts: 2,941
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From: Winnipeg
here is what I did
https://www.hdforums.com/forum/engin...stage-1-a.html
https://www.hdforums.com/forum/engin...stage-1-a.html
Twin cam with 60k . Noticing more oil dripping from filter than Id care to see. Should I lift the rocker covers and replace the breather assemblies? or just add an external? Its a SE backing plate btw. Is using the outlaw breather bolts with the filter an option? Seen others add these and then seal the ports in the backing plate. Seems like a bandaid but...
any thoughts?
any thoughts?
You may find these videos interesting/useful-
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Grand HDF Member
Joined: Sep 2017
Posts: 4,359
Likes: 1,219
From: Dubuque, IA
I use to have the same issue til I went with that external breather.
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HDF Community Team
Joined: Jun 2006
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From: san antonio
At 60K miles compression and leak down tests are worthwhile to evaluate the condition of the top end. If ring seal is going south, replacing stock breathers or venting out will not make any difference. If ring seal is good, vent.
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Stellar HDF Member
Joined: Mar 2015
Posts: 2,941
Likes: 995
From: Winnipeg
Thanks for all the feedback. Will get a leak down done in the spring when she gets a once over.
started running oil half way on dip stick last change and still drips a little out the ac. It’s not a lot just annoying.
will have a closer look and maybe remove backing plate and check all gaskets and passage ways when she comes out of hibernation.
started running oil half way on dip stick last change and still drips a little out the ac. It’s not a lot just annoying.
will have a closer look and maybe remove backing plate and check all gaskets and passage ways when she comes out of hibernation.
HDF Community Team
Joined: Jun 2006
Posts: 12,763
Likes: 2,597
From: san antonio
Thanks for all the feedback. Will get a leak down done in the spring when she gets a once over.
started running oil half way on dip stick last change and still drips a little out the ac. It’s not a lot just annoying.
will have a closer look and maybe remove backing plate and check all gaskets and passage ways when she comes out of hibernation.
started running oil half way on dip stick last change and still drips a little out the ac. It’s not a lot just annoying.
will have a closer look and maybe remove backing plate and check all gaskets and passage ways when she comes out of hibernation.
Last edited by djl; Feb 15, 2020 at 12:31 PM.
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