How to vent a crank case
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Mountain Pass
Joined: Nov 2007
Posts: 245
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From: Ponca City, OK
How to vent a crank case
I'm all but done installing a 460 in my '78 F250 4X4. What's the best way to vent a crankcase? I have nothing in either valve cover ( grommet wise ) nor do I have an air cleaner. So I believe my options are wide open I just need advise on which way to do it. <!-- / message --> <!-- BEGIN TEMPLATE: ad_showthread_firstpost_sig --> <!-- END TEMPLATE: ad_showthread_firstpost_sig --> <!-- controls -->
MSEE
Joined: Apr 2004
Posts: 10,386
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From: Austin, TX
Great advice, I'll just add that if you have an open-element air cleaner (as opposed to a stock one) that doesn't have a place to connect the breather hose, you can get filler caps that have the breather filter built in.
Tuned
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Last edited by 85e150; Nov 1, 2009 at 09:48 PM. Reason: Lost my mind for a moment.
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Freshman User
Joined: Oct 2009
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I bought one of those $5 air cleaner filters at autozone.
I took my old nasty pcv valve, cut the top off it, clamped on the new filter and shoved it in the left side.
Perfect fit.
I took my old nasty pcv valve, cut the top off it, clamped on the new filter and shoved it in the left side.
Perfect fit.
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Tuned
Joined: Oct 2009
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Maybe if they're IMPROPERLY maintained. SOME people don't follow K&N's instructions for maintenance. K&N also offers a flow-through 'sock' to shield the element, if going through mud, water, that sort of thing. I have NEVER had a problem w/ ANY of my K&N filters. However, I HAVE seen other people have problems with them & they would have had problems with ANY filter. I'm in no way affiliated w/ K&N, but I have one on EVERY vehicle I own.
Elder User
Joined: Jul 2008
Posts: 519
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From: Missouri
I'll second that! Open filter's are superior when it comes to performance and I love them, but they also have to be cleaned/replaced properly or you'll find yourself in a world of trouble. A lot of people think they can install and forget them, but that's not the case.
Junior User
Joined: Jul 2009
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From: hamilton canada
i was reading the posts above. my pvc goes up into my air filter housing. is that correct? the other side ive been using a filter cap.
im asking because im changing my valvecovers and i want to make sure i get the ventalation right.
someone told me that one side should be going into carb and other into air breather.
im asking because im changing my valvecovers and i want to make sure i get the ventalation right.
someone told me that one side should be going into carb and other into air breather.
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