External vent setup
Club Member
Joined: Sep 2010
Posts: 15,429
Likes: 7,122
From: Beyond Fucital
It should blow out or get sucked back in.
Road Captain
Joined: Jul 2014
Posts: 577
Likes: 19
From: Michigan
I had mine set up like this with the filter. On road trips I would get oil coming out and blowing back and down on the engine. I ended up taking the filter off and using a piece of hose and routing it through the pushrod tubes right to the ground. If I park it after a long ride it will sometimes leave a drip. I can have it running and put my hand under the tube and I get a good amount of pressure out of that hose. I like it better vented on the ground and you cant see it unless your looking for it.
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Tourer
Joined: Apr 2015
Posts: 444
Likes: 92
From: xx
I had mine set up like this with the filter. On road trips I would get oil coming out and blowing back and down on the engine. I ended up taking the filter off and using a piece of hose and routing it through the pushrod tubes right to the ground. If I park it after a long ride it will sometimes leave a drip. I can have it running and put my hand under the tube and I get a good amount of pressure out of that hose. I like it better vented on the ground and you cant see it unless your looking for it.
Thanks everyone!
Road Master
Joined: Jan 2013
Posts: 969
Likes: 365
From: Woodland Park, Co
If you are getting oil in the intake wouldn't your little filter get oil soaked?
I have a corvette and a catch can to catch the oil.
So, this is what I did today.
I have a corvette and a catch can to catch the oil.
So, this is what I did today.
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Club Member
Joined: Sep 2010
Posts: 15,429
Likes: 7,122
From: Beyond Fucital
Mine doesn't use a oneway valve, air needs to be able to get sucked into the head. On mine anyway. If not it won't run. It's also a 94 carbed EVO. I don't know if that makes a difference.
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Seasoned HDF Member
Joined: Jan 2006
Posts: 11,471
Likes: 2,998
From: Charleston, SC
Blocking the breather is always bad no matter the year or engine. The case will pressurize and the engine won't run correctly.
Last edited by lp; Oct 3, 2015 at 09:32 PM.