What did everyone do with the 2 nipples that are on the valve cover? Did you run breathers, pcv valves, I'm just trying to decide what I should do with mine. Thanks.
#99351, "RE: Valve cover nipples?" In response to Reply # 3
I already pulled all of the wires and hoses out, I think the easiest would be to get rid of them... but should I just run 2 breathers on the valve cover? and right now I only have the brake booster connected to my vacuum line on my intake manifold. should I connect anything else for vacuum? (there is another vacuum line connected to the throttle body too. - Runs to the passenger side bumper?)
#99352, "RE: Valve cover nipples?" In response to Reply # 4
the easiest thing for you to do is have a junkyard come get the car and you leave your hands out from under the hood. I told you what to do with them. The PCV is there for a reason, leave it there. You are running a stock motor with little to no mods. Leave the vac lines alone. This post is very similer to the post where you asked where to run the lines. Thats called double posting and will result in both posts deleted. Pay attention and next time do not ask me to repeat myself.
#99353, "RE: Valve cover nipples?" In response to Reply # 5
No offense bud, but you need to chill out. I am just curious to see what other people are doing. I build muscle cars - distributors, V8s, big beefy motors with 2 headers, no electronics, and with them it doesn't matter if you eliminate PCV valves. So seriously chill out, you're ruining the hobby for people like me - the ones that just want more information because this is their first import.
#99357, "RE: Valve cover nipples?" In response to Reply # 6
hey, the guy told you what to do with them...then you turned around and said "but i think it would be better......"
thats where you went wrong. you admit your new..and you did ask the question, he not only gave you an answer..but a reason for his answering so. i can see where that came off as rather disrespectfull.
#99358, "RE: Valve cover nipples?" In response to Reply # 8
I dont see why this guy needs to be so rude... we told you that it would be better to leave it be.. and you freak out.. and personally i think we know what muscle cars are and i also dont think you build them much...I would think you would use more techinical terms instead of nipples etc.. thats just my opinion. I mean yes we are here to answer your questions but you dont need to be an ass and then no one will answer them for you.
#99369, "RE: Valve cover nipples?" In response to Reply # 6
Originally posted by axelthrasher it doesn't matter if you eliminate PCV valves
It does matter. There needs to be airflow out of the crankcase at all times no matter what kind of engine it is. Crankcase evacuation is extremely important, it will help seal the rings along with a few other benefits. Whether you get the vacuum by welding a 45 degree tube into the exhaust using the velocity to create vacuum, hook it up after the air filter on a N/A, or before the turbo, whatever. It needs to be there. Those valves that you like to remove protect the evacuation system from unforeseen conditions where there may be pressure on one vent and vacuum on the other.
#99373, "RE: Valve cover nipples?" In response to Reply # 11
Originally posted by ner947
Originally posted by axelthrasher it doesn't matter if you eliminate PCV valves
It does matter. There needs to be airflow out of the crankcase at all times no matter what kind of engine it is. Crankcase evacuation is extremely important, it will help seal the rings along with a few other benefits. Whether you get the vacuum by welding a 45 degree tube into the exhaust using the velocity to create vacuum, hook it up after the air filter on a N/A, or before the turbo, whatever. It needs to be there. Those valves that you like to remove protect the evacuation system from unforeseen conditions where there may be pressure on one vent and vacuum on the other.
ahh, those systems are so sweet...damn emissions. You ever put your hand on the hoses?(granted while still cold) you can feel the pulses...
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#99404, "RE: Valve cover nipples?" In response to Reply # 13 Jun-18-06 08:27 PM by turbo8u
run a boost activated vaccuum pump on the crankcase, draw it into a catch can
28 in of vac is better that the exhausts ~5 under boost. have you guys ever checked how much vaccum the exhaust actually pulls with those check valve systems? not much.
i have 3 systems, but i guess thats irrelevant to the poster since he's NA.
One opinion of mine is to route the tube that connects to the intake pipe into a catch can, then the intake. The PCV system is functional only under vaccuum conditions, not WOT. Under wide open throttle the valve stops up and crankcase pressure builds, venting through the breather into the intake tract, contaminating the intake charge and dirtying shit up. Run that line into a catch can, then into the intake...that way you dont draw in oil.
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96 Black ESi 91 Red TSI AWD (RIP) 02 WRX
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