Check valve
05-01-2009, 05:42 AM
#1
0.5 BAR
Thread Starter
Join Date: Mar 2009
Posts: 78
Check valve
this pic is off of Turbo Project CRX DX under "charge piping"
i need to make one of these check valve thing.. to stop check engine while under boost... can anyone tell me whats the basis behind it and the best way its done? i tried searching... all i get is freekin catch can diy's..
i need to make one of these check valve thing.. to stop check engine while under boost... can anyone tell me whats the basis behind it and the best way its done? i tried searching... all i get is freekin catch can diy's..
05-01-2009, 02:19 PM
#5
0.5 BAR
Join Date: Jan 2009
Posts: 121
I'm using a thing called a "krankvent" it's supposed to hold back like about 75 psi if I remember correctly, so I'm still using the pcv system off boost. They come in a couple of different sizes. It costs a little more money than an aquarium valve, but then again last time I checked my engine is worth more than an aquarium. I've got it setup right after the pcv valve in the picture. On the valve cover on the other side of the charge pipe, I'm just taking in a little atmosphere air. I don't even need a catch can and I don't blow any oil out of that tube either. Yeah, I was shocked at that one too, but that krankvent is fast and seals perfect.
Last edited by iceracerdude; 05-01-2009 at 02:23 PM.
05-02-2009, 09:52 PM
#6
0.5 BAR
Thread Starter
Join Date: Mar 2009
Posts: 78
hmm ok here is what i know, the whole point of the check valve is to "bleed" boosted air thats creeping up my vacuum lines to the sensors.
So to hook it up i would tee off my vacuum line before my map sensor, one end would be map other would be source of vacuum and middle the check valve to vent into atmosphere to function properly?
So to hook it up i would tee off my vacuum line before my map sensor, one end would be map other would be source of vacuum and middle the check valve to vent into atmosphere to function properly?
05-02-2009, 09:59 PM
#7
0.5 BAR
Join Date: Mar 2009
Posts: 137
I'm using a thing called a "krankvent" it's supposed to hold back like about 75 psi if I remember correctly, so I'm still using the pcv system off boost. They come in a couple of different sizes. It costs a little more money than an aquarium valve, but then again last time I checked my engine is worth more than an aquarium. I've got it setup right after the pcv valve in the picture. On the valve cover on the other side of the charge pipe, I'm just taking in a little atmosphere air. I don't even need a catch can and I don't blow any oil out of that tube either. Yeah, I was shocked at that one too, but that krankvent is fast and seals perfect.
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