So pill bottles don't make good PCV catch cans.... - Fuelly Forums

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Old 04-26-2007, 06:23 PM   #1
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So pill bottles don't make good PCV catch cans....

Yesterday I made a pill bottle PCV catch can. I used a small translucent orange pill bottle, 2 brass fittings from an old radiator, alittle tubing, and sealed it with silicone.

Today was my first time to drive with it on. I checked it after work and it looked fine. Then when I got home and checked it..... The bottle had been sucked in....I am pretty sure it is more due to the heat than the vacuum of my engine. (I tried to attach a picture)

Anyways just thought I'd share.... Next PCV catch can will be located further from the intake manifold and probably alittle bigger (I made it small because I didn't want to hurt the engine's vacuum but that doesn't make a whole lotta sense anyways....)
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Old 04-26-2007, 07:09 PM   #2
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do those help fe at all i dont really get how they work eather
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Old 04-26-2007, 07:44 PM   #3
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I don't think they really help FE that much. I know they filter the oil vapors out of your Positive Crankcase Ventilation system so that you don't burn them in your engine. I think they help cut back pollution some and I know oil isn't good for combustion. I tried it because I think every little bit helps.
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Old 04-26-2007, 07:54 PM   #4
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The Goal

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Originally Posted by kwtorbe View Post
I don't think they really help FE that much. I know they filter the oil vapors out of your Positive Crankcase Ventilation system so that you don't burn them in your engine. I think they help cut back pollution some and I know oil isn't good for combustion. I tried it because I think every little bit helps.
The goal is to keep the junk from collecting in the intake manifold, injectors, top-end parts, carbon buildup and other FE-robbing stuff. It's a preventative measure.

RH77
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Old 04-26-2007, 08:09 PM   #5
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sweet ill show it to my mechanical friend maybe he can do it for me
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Old 04-26-2007, 09:00 PM   #6
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Heat probably softened it, and vacuum did it in
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Old 04-26-2007, 09:04 PM   #7
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I haven't noticed a difference in my FE, but the car runs a little smoother now than it did a few months ago and has lower emissions, which is always worth the effort.
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Old 04-26-2007, 09:04 PM   #8
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Haha, the same thing happened to my water injection tank Heat + soft plastic + vacuum... not a good mix
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Old 05-01-2007, 07:49 PM   #9
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what does it mean when u are getting no oil in the can
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Old 05-01-2007, 08:05 PM   #10
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No blowby. That is a good thing. But it seems like every car would have at least a little bit.

Or, your can is not working right. :-)
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