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PCV Oil Catch Can

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Old Feb 12, 2004 | 08:30 AM
  #61  
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I found the Greddy for 78 bucks.

Greddy Catch Can

I haven't purchased it yet but I plan to in the next few days.
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Old Feb 12, 2004 | 11:19 AM
  #62  
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Originally Posted by TaTommyWS6
This is not rocket science, voodoo, or a homosexually influenced theory... This is FACT.
There used to be polls on this site about this very issue and most people who had oil consumption/smoke at WOT started to experience it a lot worse after headers and/or cam swap. It is far from coincidence, it is in fact a real issue.

Believe what you want, what do I care, but don't make blanket statements when you don't understand the facts. There is enough misinformation on these boards already.

I'm done....

Tommy
agreed.
I never had noticable oil consumption till after I put headers/exhaust on
tons of other cases on here, that are similiar
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Old Feb 12, 2004 | 03:24 PM
  #63  
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Thanks Mike and Tommy! You guy's are Catch Can Ninja's
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Old Feb 13, 2004 | 12:48 PM
  #64  
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I used a $3 fuel filter and some fuel line to make a catch can setup. It hides very nicely under the engine covers on my truck. I'll try to remember to post a pic when I get home from work...
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Old Feb 13, 2004 | 12:59 PM
  #65  
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Be carefull using a fuel filter. You don't want to block air flow and when the filter gets wet, less air will pass through.
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Old Feb 13, 2004 | 02:49 PM
  #66  
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Originally Posted by BlackHawk131
Be carefull using a fuel filter. You don't want to block air flow and when the filter gets wet, less air will pass through.
I change the "PCV filter" each time I change the oil. It seems to collect less than 1 ounce of fluid in 2500 miles.
Thanks for the caution about clogging. I will check for restriction in the vacuum line next time I pull the engine covers...
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Old Feb 13, 2004 | 04:49 PM
  #67  
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The backside to some catch can designs is with the Tee or couplers used it REDUCES the vaccum flow (small orffice ) through PVC and so you have a cleaner intake but the oil fumes were not getting out, sucked back into the oil, redcues oil life and craps up the engine using that corrupted oil.
Heck before OBD-II there was even more gap between rings and engines sucked as much oil without much problems other then the normal common sense called maintance.
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Old Feb 13, 2004 | 07:37 PM
  #68  
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Originally Posted by RPM WS6
LOL!! You must be getting kickbacks from the manufacturer of the can you are pushing. I've never seen someone so dead set on trying to push an item unless they are making money on it.

Truth is, the Greddy can is a perfectly high quality piece. I have not seen your can in person, but I'll give it the benifit of the doubt and say that it's probably just as well built of a unit as the Greddy. But for you to be bashing the Greddy can without ever even being up close to one (because if you were, you'd know that it's not thin or cheap), is just wrong, IMO. That damages your credibility.

Point is, there is no need to bash any products that are perfectly good items just to push your own prefered products. That's a disservice to everyone.
I put the Accurate Mach. can on my car about a week and a half ago. The can is awesome and i've been spreading the word just as BlackHawk131 has. I haven't seen the greddy can in person either but the Accurate Machine W. can is a nice alternate to the Greddy can.... and as BlackHawk131 said, it comes w/ all hardware and hoses.... no need to replace anything after you buy it.
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Old Feb 13, 2004 | 08:32 PM
  #69  
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this might be a stupid ?, but do you still have to use the pcv valve after catch can install
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Old Feb 14, 2004 | 05:57 AM
  #70  
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Yes you do have to use the PCV
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Old Feb 14, 2004 | 08:35 AM
  #71  
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No you really don't have to. The only use of the pcv is to keep a back fire from entering the crack case. It is only a check vavle. Meaning air can only run one way. I still think that I am going to remove mine. At least till I use NOS.

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Old Feb 14, 2004 | 09:03 AM
  #72  
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Originally Posted by 99transamls1
this might be a stupid ?, but do you still have to use the pcv valve after catch can install
The trucks PCV valve is really just an orifice.. no ball in there to make it a check valve. They made it a smaller orifice to address the oil consumption issue - different fix from the LS1 cars (lifter valley PCV). You could change to the truck style PCV "fitting" if desired.
I would suggest you keep the PCV system - like TeamZR1 said about reduced oil life, etc.
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Old Feb 14, 2004 | 09:23 AM
  #73  
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You are not removing the pcv system, on the vavle and it would still work the same way.
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Old Feb 14, 2004 | 05:30 PM
  #74  
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Originally Posted by FstBlkz28
I put the Accurate Mach. can on my car about a week and a half ago. The can is awesome and i've been spreading the word just as BlackHawk131 has. I haven't seen the greddy can in person either but the Accurate Machine W. can is a nice alternate to the Greddy can.... and as BlackHawk131 said, it comes w/ all hardware and hoses.... no need to replace anything after you buy it.

Do you have any pics of the install?
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Old Feb 14, 2004 | 06:18 PM
  #75  
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yes i've got a few pics on my site: http://www.cardomain.com/id/fstblkz28
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Old Feb 14, 2004 | 08:20 PM
  #76  
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If you could e-mail me the web sight to orderthe catch can
radio5@comcast.net
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Old Feb 14, 2004 | 09:50 PM
  #77  
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I like this baffled design.
The greater length of hose to the can helps too & baffles slows the misted oil down & allows it to cool a little.
Then it harmlessly pools up inside the can.
It's alot harder for manifold vacuum to pick up cooler denser particles of oil.
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Old Feb 15, 2004 | 01:41 AM
  #78  
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Yeah I've been on this idea for about 2 years. When I drive in rain the condensate is like pale brown crap. I think that condensate gets pulled back from the intake on de-acceleration and puddles in the filter. Otherwise in normal use it fills up with oil, so some kind of filter-trap is an absolute necessity, whether it is the nice-looking deal in this post or a compressor filter like I use.
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Old Feb 15, 2004 | 02:48 AM
  #79  
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A 1/4 of a cup in 3000 miles? I don't see anything wrong with that. A slight oil vapor going into the dry upper cylinder will help the motor, not hurt it. I have been adding Marvel Mystery Oil to my fuel for years, about 4 oz to a tank. And when I have looked at the cylinder walls after 80,000 + miles they look like new, still have the cross hatching. Rings are like new and never any oil consumtion.
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Old Feb 15, 2004 | 09:23 AM
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Air and gas is the only thing you want in the combustion chamber. A friend of my was getting detenation with his turbo set up and all he could do is run 112 octane. This was not going to work. To much money in fuel. After looking in to it, he found that he pcv system was drawing a lot of oil causing the detenation. Once he removed the oil, he now can run 93 octane.

A slight oil in the combustion chamber will not help the motor. Oil is suppose every where except on top of the piston when the car is running. This would not be a clean burn. Therefore leaving build up on the valves. Your cylinder walls has nothing to do the pcv. Your valves is where the problem will occur.
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