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Exhaust Evac system??

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Old 10-22-2012, 08:36 PM
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Default Exhaust Evac system??

I am considering installing a old school exhaust evac system to pull the crankcase vapors out. I would tie it in downstream of O2 sensors. Has anyone had any experience with this? What are the pros/cons?
Old 10-23-2012, 11:49 PM
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Only reason I dislike this is if you get any oil mist or drops in the exhaust itll smoke like a freight train.
Old 10-24-2012, 09:56 AM
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Originally Posted by itsslow98
Only reason I dislike this is if you get any oil mist or drops in the exhaust itll smoke like a freight train.
Yeah... some people get away with this fine others need to put a catch can in line which solves that.
Old 10-24-2012, 02:45 PM
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that will cause more harm than good on a street car
Old 10-24-2012, 06:40 PM
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I assure you it doesnt
Old 10-24-2012, 10:18 PM
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Mine doesnt smoke at all. What harm could come of it???? Just make sure its after your O2 sensors.
I made a good catch can half full of stainless kitchen scrubbers and each valve cover runs to the bottom of it w/ 1/2" hose, the exhaust pulls from the top of it though 3/4" hose and welded to the exhaust i used the factory air pump check valve. Its not like a vacuum cleaner but before i added it my oil would get milky looking (running E85) with it the oil looks brand new months after I changed it... so im guessing it works great.
Old 10-24-2012, 10:46 PM
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It has worked well for me.



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