Oil Catch can
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Joined: Nov 2018
Posts: 2,094
Likes: 583
From: CA
In theory every car can benefit from one. But on a stock car, I'd say it is not necessary. However for an N/A engine, the setup is simple and cheap. I'd just use a universal ebay can. It just goes in the line coming out of the valve cover and into the intake. For turbo applications it takes a bit more planing due to reverse pcv flow during boost and needing more ports etc and higher quality stuff. So you can put one on, wont do much and doesn't have to be fancy, just gives you another thing to empty during services. I suppose someone that does a lot of racing around and spending time in high rpms can create more crankcase pressure and maybe build up a little more oil/condensation in the can. But you also burn it all off easily with that sort of driving too, so not like it's going to gum up your valves/intake too bad either. So really it's up to you. Worthy? Probably not. But it's another underhood mod that can look cool if you match a color scheme and like I said, it can be done very cheap and easily for a N/A engine.
Pole Position
Joined: Nov 2018
Posts: 2,094
Likes: 583
From: CA
Hey Answer.. I don't mean to give you a hard time.. But I'm pretty sure the catch can goes in the other line out of the PCV valve and going into the intake. You see.. the side you have it going to is the fresh air "In" port. And out of the PVC valve on the other side is the "vacuum source" to the intake (which is what sucks up the oil that catch cans are used for collecting). So the can should be attached from the pcv valve to the can, then the can back to the intake at the original PCV line port. The way you have it just routes the clean air through the can before going into the engine, and no way for it to collect what's being sucked into the engine by the manifold vacuum source on the other side. Make sense?
Hey Answer.. I don't mean to give you a hard time.. But I'm pretty sure the catch can goes in the other line out of the PCV valve and going into the intake. You see.. the side you have it going to is the fresh air "In" port. And out of the PVC valve on the other side is the "vacuum source" to the intake (which is what sucks up the oil that catch cans are used for collecting). So the can should be attached from the pcv valve to the can, then the can back to the intake at the original PCV line port. The way you have it just routes the clean air through the can before going into the engine, and no way for it to collect what's being sucked into the engine by the manifold vacuum source on the other side. Make sense?
It's the simple things I miss sometimes lol!
Last edited by Answer300; Feb 12, 2021 at 02:41 PM.
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