Catch can install question
07-17-2007, 12:16 PM
#1
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Catch can install question
I've got a Greddy oil catch can that I'm trying to install. The directions for it say to install it between the valve cover and the intake. A thread on here says to install it between the PCV and intake manifold. So which one is it??
07-17-2007, 12:32 PM
#3
Originally Posted by BriGuyMax
I've got a Greddy oil catch can that I'm trying to install. The directions for it say to install it between the valve cover and the intake. A thread on here says to install it between the PCV and intake manifold. So which one is it??
07-17-2007, 01:52 PM
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Originally Posted by QuadCam
BINGO!
nah..different port. The PCV is run from the passenger side valve cover to the plenum. The crankcase breather tube is run from the rear of the drivers side valve cover to the intake pipe on the drivers side turbo.
I'm just going to run it like failsafe has his.
Thanks for the input guys.
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07-17-2007, 01:52 PM
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Originally Posted by failsafe306
Mine just goes between the PCV and the plenum, over on the passenger side. On the driver side vent, I just used a small cone-style air filter attached right to the valve cover.
Sounds good...where did you get the small air filter?
07-17-2007, 07:33 PM
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Heres another on a APS TT car. You can see the one way APS valve (OPTIONAL) in this picture also between the PCV...
You can pick up this filter at a local Home Depot in the air compressor section in Tools.
You can pick up this filter at a local Home Depot in the air compressor section in Tools.
Last edited by maximumsportZ; 07-17-2007 at 07:36 PM.
07-17-2007, 09:38 PM
#12
Originally Posted by BriGuyMax
nah..different port. The PCV is run from the passenger side valve cover to the plenum. The crankcase breather tube is run from the rear of the drivers side valve cover to the intake pipe on the drivers side turbo.
I'm just going to run it like failsafe has his.
Thanks for the input guys.
I'm just going to run it like failsafe has his.
Thanks for the input guys.
that's what I was saying.......put the catch can between the pass valve cover (pcv valve) and the intake plenum.
the pcv valve is built into the nipple on the pass valve cover. Unscrew it and check it out for yourself.......so when you asked whether you should put the catch can between the valve cover and the intake (assuming the instructions are referring to the "intake manifold") or to put it between the pcv and the plenum, you were really asking the same thing.
Last edited by QuadCam; 07-17-2007 at 09:43 PM.
07-17-2007, 10:07 PM
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Originally Posted by QuadCam
that's what I was saying.......put the catch can between the pass valve cover (pcv valve) and the intake plenum. the pcv valve is built into the nipple on the pass valve cover. Unscrew it and check it out for yourself.......so when you asked whether you should put the catch can between the valve cover and the intake (assuming the instructions are referring to the "intake manifold") or to put it between the pcv and the plenum, you were really asking the same thing.
the pcv valve is built into the nipple on the pass valve cover. Unscrew it and check it out for yourself.......so when you asked whether you should put the catch can between the valve cover and the intake (assuming the instructions are referring to the "intake manifold") or to put it between the pcv and the plenum, you were really asking the same thing.
07-18-2007, 06:54 AM
#16
Originally Posted by BriGuyMax
I'm not a moron. I know where the PCV valve is and what it's function is. The fundemental difference in the two locations for the catch can is that one sees boost pressure and one does not. The instructions state to install the catch can between the valve cover breather and the intake pipe (PRE TURBO). Guys on here install it between the PCV and intake manifold (POST TURBO). The latter makes more sense and I just wanted to make sure. Hence the entire reason I posted this thread.
i am not calling you a moron.
alot of people don't know that the pcv valve is built-into the nipple of the pass valve cover. I previously ran clear tubing just to see if there was any oil going between the driver side valve cover vent and the inlet piping on my turbo......there was no discoloration of the tubing....like others were saying, locate your can between the pass valve cover and the intake manifold. It is the best location on these cars.
07-18-2007, 07:41 AM
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Originally Posted by MUZZY
Im FI and most still collects from left side... but I am going to route the catch can to collect both sides