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Why every car needs a PCV catch can

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Old 04-11-2011, 07:37 PM
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Default Why every car needs a PCV catch can

Here's what was drained from my Camaro and G35, both after about 5-6K miles. Both looked similar but the Camaro had a lot of water too, about as much water as there was oil, while the G didnt have and straight water, just the choco mix and oil.

The Camaro has the Norris can and it is top notch quality. My G35 and Land Cruiser both have ebay cans that I just shoved a brillo pad in to help catch oil and water vapor. They both work the same, just he ebay parts are obviously cheap and I worry about long term reliability, vacuum leaks etc. So both of those will eventually get replaced with quality units. As far as performance, I'm getting more timing advance and the seat of the pants difference is very noticeable in all three vehicles.

Anyways just thought I'd post this in case anyone was wondering if they actually work, which they obviously do, and and if the high price pieces are worth it, which they are.
Attached Thumbnails Why every car needs a PCV catch can-2011-04-11-19-07-11-908b.jpg  

Last edited by mikedamageinc; 04-11-2011 at 09:54 PM.
Old 04-11-2011, 07:56 PM
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nasty and good stuff at the same time.


the shop i use insisted on getting one for my new motor.
Old 04-11-2011, 08:06 PM
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I just installed a water separater for an air compressor to use a catch can in my grand cherokee. It has so much blow by its coating the inside of the intake so had to try something.
Old 04-12-2011, 07:30 AM
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I've been waiting to jump on the Mike Norris catch can. Anyone know if there is any difference between his and the one sold on ws6store? They look the same to me?
Old 04-12-2011, 08:47 AM
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That Norris catch can is about 100 bucks! Got pics of it installed?!
Old 04-12-2011, 08:57 AM
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They are the same. Ws6store has it advertised as Norris brand.

Originally Posted by Rare96LT1Formula
I've been waiting to jump on the Mike Norris catch can. Anyone know if there is any difference between his and the one sold on ws6store? They look the same to me?
Old 04-15-2011, 08:34 AM
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My car has 95,000 miles on it. Is the damage done?
Old 04-15-2011, 01:47 PM
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I pulled my tb off last night and the whole inside of my ls6 intake is covered in oil. i bought a amw can today. Hopefully it helps out
Old 04-15-2011, 01:55 PM
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interesting, i think i know what im getting next
Old 04-15-2011, 03:04 PM
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I deleted my entire PCV system and get no oil in my intake or TB..................
I ran a hose from the rear drivers side where the PCV system originated and attached a breather to it and also put a breather on my passenger side valve cover. Been running this way for two years without any issues:

Old 04-16-2011, 06:52 PM
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Originally Posted by Q3131A
My car has 95,000 miles on it. Is the damage done?
No damage is really done by not having one, just less advance timing (aka less responsiveness) a dirty TB and intake.

Originally Posted by fxgs
I deleted my entire PCV system and get no oil in my intake or TB..................
I ran a hose from the rear drivers side where the PCV system originated and attached a breather to it and also put a breather on my passenger side valve cover. Been running this way for two years without any issues:
Thats a good way to keep the pressure from building up, and keeping all oil out of the intake, but it doesn't force fresh air through the crankcase like the PCV system does. I've heard it can stink and cause toxic fumes but I dont know. To each his own tho, and your engine bay looks awesome!

Here's a pic of my overflow can being drained.
Attached Thumbnails Why every car needs a PCV catch can-p1060632.jpg  
Old 04-16-2011, 10:25 PM
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I have a Norris can or something nearly identical - it's just been on too long to remember exactly. Anyway, I get 2/3 water 1/3 oil out of mine. No milky stuff, it's separated very cleanly.




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