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Oil Catch Can

 
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Old 03-04-2010, 05:03 PM
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Oil Catch Can

So there are a couple reviews for oil catch cans and my car totally has that carbon build up on the bumper so I've seriously been considering doing this. I've noticed that people are just connecting it to the intake from the valve cover. My question would be should you also have another catch can from your valve cover to PCV? I would love not so have a black bumper on my white car!
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Old 03-04-2010, 05:37 PM
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Re: Oil Catch Can

i see this oil catch thing more and more, could somebody tell me what it actually is, does and looks like

thanks, were way behind in ireland you see
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Old 03-04-2010, 07:34 PM
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Re: Oil Catch Can

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Originally Posted by jonnybuts View Post
i see this oil catch thing more and more, could somebody tell me what it actually is, does and looks like

thanks, were way behind in ireland you see
It's simple, the fumes going into the intake from the cover valve contain particles of oil. That oil burns, and that's not good. In my case, and many others, the end result is carbon build up coming out of your muffler and coating your bumper. I would imagine it doesn't do much for your engine either.
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Old 03-04-2010, 10:52 PM
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Re: Oil Catch Can

Won't make any difference if the carbon is due to unburnt fuel from running rich.

Asked someone who had a catch can on the breather and PCV valve and they said the breather was basically empty. Suppose it depends on driving style since only at higher RPM's will the breather operate in reverse (primary job is to let fresh air into the crank case to push out the blowby gasses).

One thing to consider is that basically no catch cans come baffled. So need to put some steel wool in a stocking or similar if you want it to be effective. Otherwise most of the oil will just pass straight through.

In answer to the original question; in order to catch all the blowby gasses, yes you would need to do the PCV valve and breather lines.
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Old 03-04-2010, 11:31 PM
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Re: Oil Catch Can

^^^ word ^^



a catch can isn't gonna fix the carbon buildup (running rich) on your bumper.
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