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Old 03-04-2009, 03:03 PM
  #241  
06blueZ
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thought I'd throw up a picture of my catch can to add to the different methods. I used the stock hose turned up, and then used another section of hose to go down to the pvc. I also left in the filter element, because that is what lets he oil vapors condense and drip down...

doesn't have too much oil in it so far, maybe 1/4 inch after 100 miles, but its better than burning that much. I am thinking about taking off the top of the plenum to clean it out too...


Last edited by 06blueZ; 03-04-2009 at 03:06 PM.
Old 03-04-2009, 05:49 PM
  #242  
__jb
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Originally Posted by stealthz
well neither are necessary but both help... your drivers side gets oil in the system as well and takes it to your intake or charge side, it's usually not as much oil though... if you don't want a catch can on the drivers side you can also put a breather filter on the drivers side....
Where did you find that nifty little filter for the drivers side vent?

I assume it has a 5/8" diameter tube out of the bottom so it fits in the tubing that comes out of the valve cover... right? I'm doing this in a G, so my plumbing might be a bit different.
Old 03-09-2009, 02:37 PM
  #243  
finalforce
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That's good stuff. I did my mod last month but haven't test driven the car. I did both the catch can on the passenger side and breather filter on the driver side. I drove last night and when I got home I noticed a very very small drop of oil..... it works
Old 05-01-2009, 07:54 PM
  #244  
smalls12831@gma
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Default Can't find the filter cans

Went to Lowes and Home Depot and neither one carries these, anyone know anywhere else?
Old 05-02-2009, 02:07 PM
  #245  
stealthz
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Originally Posted by __jb

Where did you find that nifty little filter for the drivers side vent?

I assume it has a 5/8" diameter tube out of the bottom so it fits in the tubing that comes out of the valve cover... right? I'm doing this in a G, so my plumbing might be a bit different.
Well your right it does have a 5/8ths inlet at the bottom of the filter but I don't know where I got it,sorry... I just had it laying around my shop, I think it came off an evo... And than the tubing was molded tubing that came from autozone and I just cut it....

And as for the eBay catch Cans I think they're just as good as the home depot style, neither have really anything in them to help condense the oil vapor, they both kinda just let the air pass threw and let the oil vapor condense itself inside the can. The only thing is the eBay style is a lil bulky so it might be hard to find some room in the engine bay...
Old 05-02-2009, 05:13 PM
  #246  
__jb
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Thanks...

I ended up getting a K&N crankcase filter with a 5/8 inch inside diameter. It slid right over the tube coming out of the valve cover.

.
Old 05-19-2009, 08:26 PM
  #247  
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I want to put the 'mini' filter on the drivers side... but I'm confused on where the hose that is hooked to the intake hose runs to...
Old 05-29-2009, 09:09 PM
  #248  
scout35316
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Just thought I would throw in my 2 cents, got my breather filters from advanced auto, all other parts from Home Depot
Attached Thumbnails Homemade Catch Can-100_0305.jpg   Homemade Catch Can-100_0303.jpg   Homemade Catch Can-100_0307.jpg   Homemade Catch Can-100_0302.jpg  
Old 05-31-2009, 03:31 PM
  #249  
350z 6spd
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Any cons in venting both sides to atmosphere?
Old 05-31-2009, 03:38 PM
  #250  
Bellaco
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has anyone that vented the driverside to atmosphere gotten a CEL?

i got a CEL from a leaking catch can on the pass side ..
Old 05-31-2009, 05:02 PM
  #251  
scout35316
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Other than a bit of a smell ,I have had no issues of venting both sides.
Old 05-31-2009, 06:08 PM
  #252  
06blueZ
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Originally Posted by scout35316
Other than a bit of a smell ,I have had no issues of venting both sides.
so whats the purpose of the catch can in your setup?
Old 05-31-2009, 07:45 PM
  #253  
stealthz
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Originally Posted by 350z 6spd
Any cons in venting both sides to atmosphere?
short answer no... your motor will still be doing its job with pressure, with no obstruction of flow...

Originally Posted by Bellaco
has anyone that vented the driverside to atmosphere gotten a CEL?

i got a CEL from a leaking catch can on the pass side ..
did you cap the hole on the intake pipe off? you shouldn't get a SES.., from a breather filter. If your catch can was leaking than you have a vacuum leak, which could cause your SES.... what code was it?

Originally Posted by 06blueZ
so whats the purpose of the catch can in your setup?
so the oil doesn't soak up into the filer and leak all over the motor and your driveway... so to catch as much as you can before the filter
Old 06-03-2009, 10:22 AM
  #254  
scout35316
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Well its a new set up on my car and has evolved over the process of this thread.. From what I can gather from prior info that the majority of the motor vents through the pvc valve (passenger side) and that there is very little oil or oil vapor lost from the drivers side. Now as I have said this is a new set up and I will be watching it close if it turns out to be a flop then I will post it up. Now did it help ,humm not sure ,did it hurt ,not sure ...... But if You or anyone knows something I have missed then please by all means set me right, cuz nobody wants a busted ride ...correct
Old 03-11-2010, 03:04 PM
  #255  
Tomek350Z
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ok what i dont understand is that the HR guys are putting a catch can on the passenger side one, but isnt this PCV also on the driver side?
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Old 04-08-2010, 09:07 AM
  #256  
jeffie7
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Since it goes from the crankcase to the upper plenum This should be the correctly direction of flow right?

About to install one on my Z. Long over due!

Attached Thumbnails Homemade Catch Can-direction.jpg  
Old 04-08-2010, 09:12 AM
  #257  
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You got it
Old 04-13-2010, 03:06 AM
  #258  
maXmood
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Originally Posted by jeffie7
Do you sell off the shelf catch cans?

clamps = 89c need 2
brass barbs = 2.89 need 2
The catch can aka filter = 12.xx
Teflon tape = already have but maybe 2 bucks?
Hose = doesn't count since you need it with any catch can you buy.

Based on my home schooled math, you're right, it's much cheaper to spend $100.00 on a off the chelf catch can.
read my post again, i did mention "This", which is what's suggested on the first post.

oh, if you're talking homemade cheap stuff, well yeah, u can do it with a soda can if you want and that would save the $12 filter you mentioned.

Weapon-R CC cost $40.. and that's off the shelf.

Last edited by maXmood; 04-13-2010 at 03:08 AM.
Old 06-01-2010, 10:20 PM
  #259  
xthejokerx
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Where are all these oils going if there wasn't a catch can to catch them? And if it goes into the engine, is there a way to clean the oil off the engine if I dont want to install a catch can?
Old 06-04-2010, 08:31 AM
  #260  
jeffie7
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Originally Posted by xthejokerx
Where are all these oils going if there wasn't a catch can to catch them? And if it goes into the engine, is there a way to clean the oil off the engine if I dont want to install a catch can?
Goes right back into the intake where it gets burned up. If you want to clean it you can remove the intake cover and wipe it up with a towel.

finally remembered to take a picture of mine.



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