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PCV system theory and Oil catch cans.

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Old Jun 16, 2007 | 08:07 PM
  #166  
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yes DC3 and meth 100% or as close as I can get.
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Old Jun 16, 2007 | 08:30 PM
  #167  
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Sent you a PM
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Old Jun 18, 2007 | 08:45 AM
  #168  
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Any pixs with this installed in a evo 9? I just want to make sure there is enough room to mount this
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Old Jun 23, 2007 | 10:51 PM
  #169  
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Ye bump for this installed pics ,
would you guys recomend the 2 split cans or the double ......

I think by putting 2 single your hoses are way sorter?
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Old Jun 24, 2007 | 08:30 AM
  #170  
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I have a dual can setup for sale! I only used the one can for 2000 miles. No oil in the can. PM me if your interested! I sold my car.
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Old Jul 21, 2007 | 09:47 PM
  #171  
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I'm not seeing too many downsides to just dumping the crankcase. My other turbo cars, I've always eliminated the check (PCV) valve altogether and ran 2-3 dump tubes from the crankcase directed to the ground. My Eclipse is a road race and street car that sees full throttle for extended periods of time. The only thing I believe I'm missing out on is the engine, when under vaccuum, assisting in venting the crankcase. (And being a tad more environmentally correct ) This combined with the removal of the EGR valve, last time I removed the intake manifold, I noticed almost zero sludge/varnish/gunk build-up as I cleaned it out last time. I just ensure that the oil level is checked regularly also for safety.

I'm looking at the catch can diagram from the first posts, and correct me if I'm wrong, when the intake manifold and charge piping become pressurized, half of the PCV system is cut off due to the check valve closing. All of the "crap" (sorry, lack of better terms ) is then sent through the other valve cover orifice alone and spit all over the compressor vanes, and works its way back through the compressor housing, intercooler, TB, and intake manifold.

Thoughts on this?
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Old Jul 22, 2007 | 11:06 AM
  #172  
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I'm glad you read the 1st post now read the other 169.
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Old Jul 22, 2007 | 12:19 PM
  #173  
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I'm glad you read my post. Not much of it covers what I just wrote.

As you said, read the other 169.

Edited by me because I sounded like a dick

Last edited by brkn4g63; Jul 22, 2007 at 12:23 PM.
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Old Jul 22, 2007 | 12:22 PM
  #174  
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Than some does right?
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Old Jul 22, 2007 | 12:26 PM
  #175  
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Not really. From my experience, much of the "crap" is eliminated by ditching the EGR and dumping the PCV. I might be off tangent because this seems more street car oriented, but I doubt many really own 100% emissions compliant EVOs. Sorry if I came off rough.
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Old Aug 15, 2007 | 09:36 AM
  #176  
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Regarding the PCV system.....

I recently installed my DC3 dual catch can and during my install I thought about something.

On the PCV side I have some slack in the hose to allow for easier access, and I actually routed the hose running along the strut bar and back down to the DC3 (see attached pic).





Is the blow out pressure from the PCV valve strong enough to push the oil vapors / sludge through the hose and into the catch can?


Would the oil vapors / sludge flow back down towards the PCV valve causing problems?
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Old Aug 15, 2007 | 11:38 AM
  #177  
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That shouldn't be a problem but where is the hose that goes to the manifold?
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Old Aug 15, 2007 | 04:17 PM
  #178  
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Originally Posted by cfdfireman1
That shouldn't be a problem but where is the hose that goes to the manifold?
The hose I removed to check it's condition.

I remember what a PITA it was to push the hose into the intake manifold nipple when I first installed it.

Can't wait to do it again.


Thanks for your input .
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Old Sep 6, 2007 | 06:02 PM
  #179  
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And so the battle continue's....to catch or not to catch??
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Old Sep 6, 2007 | 07:22 PM
  #180  
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you mean...

to remove harmful combustion byproducts from your engine or leave them in there?

Originally Posted by 06ebgsr
And so the battle continue's....to catch or not to catch??
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