PCV System
What should I do with it? What do you guys do with it. Keep it going to the manifold or just have it vent or what?
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Re: PCV System
If you route it to the intake manifold like stock, throw a catchcan in between the two. Get a catchcan that actually does something, like one with steel wool inside it for the oil to condense onto.
You can also remove the PCV valve and route a line to your intake pipe that connects to your turbo. You'll always have vacuum so no need for the valve. Use a catchcan in this instance too. bottom line is negative pressure in your crankcase is a good thing, dont just do away with the whole system. |
Re: PCV System
Damn, I didnt want to have to hook it up. hmm, now I got to think of a way to make it look perdy.
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Re: PCV System
Take out the PCV valve, its not creating any crankcase vacuum with an open crankcase breather (nipple/vent on left side of the valve cover when you standing in front of the car facing the engine). If you want to create a crankcase vacuum, which is a great idea, get a product called Krank Vents. I installed them on my S2000 and oil consumption has gone down to ZERO even when I went 4500 miles on an oil change (its normal for '00-03 F20C engines to consume oil, Honda claims its due to the high performance nature of the engine and the cylinder wall lining). With the engine running, its tough to pull out the dipstick with the vacuum, but when you do you can hear the air rushing in. This will prevent the typical DSM/EVO problem of the dipstick popping out under boost. Also, the crankcase vacuum will make your engine run more efficiently and you will pick up some power (non-turbo S2000's are averaging about 3whp on back-to-back runs, the boosted ones even more).
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Re: PCV System
$110 for a pcv vavle, thats kinda alot(I realize that its not just a pcv but still). Plus one of the main things is Im dont have room on my magnus to put a vacuum source. thats a main reaon I dont want to hook up the PCV. I dont even have enough room for my FPR to get vacuum.
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Re: PCV System
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Re: PCV System
This thread topic is something I've been wondering about for a while. From the looks of it, the Krank vent seems like a good solution?
http://www.et-performance.com/turbo.html I am not that read up on this subject, but know it's a problem with higher hp cars and for longevity. I want a solution! |
Re: PCV System
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$110 for these things isn't exactly cheap, but at the same time they are serving a lot of functions. For the dip stick popping out its an actual solution, not just a patch like zip ties or springs to hold it in. I am glad I bought mine, I plan to get them for any car that I modify and consider to be my "good car". |
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Re: PCV System
Im sorry I didnt get a chance to read up on the krank vent but do you need hoses off of them or what? how do they hook up?
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Re: PCV System
Yeah, plug it in and seal up the crank case - don't have any leaky or open ports, I guess.
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Re: PCV System
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I run the Jaz mini catch can/breather and it works fine with the stock PCV. http://www.jegs.com/webapp/wcs/store...10002_69732_-1 |
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I use something simmilar to this on my car. However I didn't pay this amount of money for that! I paid like $5.00 for a pack of 4 (they came in sets). Main reason is the ones I bought are plastic and these are metal. Mine hold 125psi so I am also good on "high boost applications". These just are pretty and shiny. however they are still to be used with the PVC valve. you just splice them inline. You still need to just buy a PVC valve even with this kit. It serves a big function. I recomend putting a filter on the line as well. The problem I am running into is that I am running a GM MAFT and when the PVC valve is open I am pulling in unmetered air into the manifold. I will have you guys think about that for a while. however this is what I use: Breather side : VC -> catch can (sealed) -> intake pipe. PCV side : VC -> PCV -> optional 2nd catch can (sealed) -> heavy duty check valve (which is what that kit offers but don't pay that amount of money!) -> intake manifold. I recomend the catch cans on older cars. It does save on cleaning a lot of oil. I build my own using PVC pipe and painting it black. |
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The other reason that it is routed into the intake line is because it needs metered air. So the people that have vents on the side of their valve cover are also pulling in unmetered air through the PVC system. Kind of like what I am dealing with using a GM MAFT |
Re: PCV System
If you are running DSMLink, SFAC or MAFT you can compensate for the air bleed at idle and zero in your STFT/LTFT. So the PCV air bleed will not be an issue. How's that for thinking about it? :D
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Re: PCV System
4 Nipples on the magnus.
Brake booster MAP sensor BOV FPR/Boost gauge So lets say I have a 2" hose coming off each side of the pcv system and put the krank vents on. then thats it no other hoses need to be ran? Sorry im not understanding this too good i guess. |
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Is that the DSM MAP sensor or for an EMS? I don't even use the DSM MAP sensor with DSMLink. You could just tee the BOV line. I have this; Brake booster BOV FPR/Boost gauge PCV |
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not thinking hard enough:tongue: ok you are on the highway off boost and there is vacuum in the intake manifold. That PVC valve is still opening pulling unmetered air. I just used the Idle as an example. I am not saying that it is going to make a huge difference either. However pulling in unmetered is still kind of unwanted... |
Re: PCV System
Its the MAP for the AEM.
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