350z Catch Can Install +Why It's Necessary! (Oil Consumption)
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- เผยแพร่เมื่อ 9 เม.ย. 2019
- Ever wonder where the oil goes that your 350z VQ engine burns/consumes? It's getting recirculated into your intake manifold back into the motor via the PCV Valve to pass emissions.. this is not the "healthiest" way for your engine to run but is a regulation from the factory. I purchased my Nissan 350z with a PCV delete and come to find out..not having that positive crankcase vacuum line can be almost worse than having it with a PCV valve from the factory. Therefore an oil catch can will solve this issue by creating the same vacuum line system pulling air in and out of the engine but collecting the oil and vapors into the can instead of recirculating into the intake. Links below to order the catch can and tools needed. (10mm w/ 1/4 Size Rachet, Phillips Screw Driver, Allen Wrenches, 3/4 size wrench)
This Catch Can: bit.ly/2UDBCEI (order w/ 3ft & 9mm hose)
Affordable Rachet Set: amzn.to/2UCP1B9
Screwdrivers: amzn.to/2D7gXCS
Allen Wrenches: amzn.to/2UJ3yv0
Standard Wrench Kit: amzn.to/2Z0P8Wp
--- Baller Racheting Wrenches ;) amzn.to/2X1k46T
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This is slightly incorrect. You are using the intake as a vacuum (negative pressure) to pull the crank case vapors (blow by) out of the top of the head/crank case (positive pressure). The reason this is done so you don’t leave fuel and water from the combustion cycle sitting in your oil degrading it. Also the reason they aren’t vented with that little filter from the factory is because those vapors are harmful to the environment. So they use the intake to cycle them back into the engine to burn them off. But over time, this cause valves to get all gummed up and can leave tons of carbon deposits.
AutomotiveBox I’m glad you chimes in here! Didn’t feel like typing so much lol. Well said!
AutomotiveBox im a newb spare me. The PCV valve connects to the “IN” port of the catch can right?
Not on a 350z, these engines are port injected, and spray their intake valves with fuel which keeps them fairly clean. In fact, the OEM intake manifold design on these is meant to catch most of that oil, and what little oil finds it's way to the cylinders is just extra lubrication. Catch cans are really only helpful on direct injection motors, which do not have any cleaning effect on the intake valves. I took my entire intake manifold off just recently on mine to replace a valve cover and some sensors, and the intake valves looked almost shiny clean at 110k miles.
It’s not just to clean the intake valves though. It’s to prevent detonation and degradation of octane in fuel. This will happen if any oil makes its way into the combustion chamber.
You really have to caveat your comment with a "DI"' inject. Port injected engines won't see harm from this, only DI engines will. 350z doesn't need any, it's all marketing BS.
Idk why I just like ur vids man I don’t really comment or watch z vids but damns these are the best
If your oil consumption is high. Change your valve guide seals. That’s not going to solve the root cause.
Could be other things. Worn rings. Leaky gaskets.
keep up the vids man! love seeing how the z is coming along. hope to see it get some sideways action soon
Yo love that profile picture, it’s the girl from fight club right? Forgot her name Martha or something
Love the vid, i think you got miss informed my man I think you got blow by backwards there’s a heavy negative vacuum on the intake from it sucking in a lot of air hints the term intake so even if that was to happen it would go out the exhaust, what really happens is all the movement under the valve covers makes pressure that needs to be vented and after the motor gets hot the oil cinda turns into a steam I guess is the best way to explain it and and what do you do with Oily steam, Nissan just decided to hook that into the intake to help lubricant the motor but Nissan figured it would help the motors last longer in return for a little bit of performance loss so a catch can is to help get that little bit of performance back but you also lose that lubricant factor
Congrats on 200
Just bought my catch can for the speed so totally interested on how you install it
I went with ADD W1 oil catch cans on my 08 G35s 6MT! Works amazing! Burning pure octane 🕹🏎👌🏽
No one cares about the trash car you got “6MT 🤓“ loser 😂
Wow good knowledge in a little over 10 minutes thanks for the info bois
Good video and nice the red Z outside the garage👍
Simple video once again and interesting
Awesome DIY video! Wish there was one for a 370Z.
I have the sickspeed can. It's huge and doing its job.
Ok, so here my 2 cents worth.. ignore if you like.. but, blow by comes from the crank case, the bottom of the engine, where pressure passes down past the cylinders/pistons and rings. So the pcv valve relieves the pressures that build in the crank case. The catch can basically filters those vapors and cleans the oil particles out. So honestly, there really is no point and is counter productive to reroute said filtered air back into the intake manifold just to muck up the intake air(it wont be entirely filtered ). Better to relieve to atmosphere. And since there is also a hose venting the driver side as well, it would be better to route both hoses to the can, then vent out to atmosphere through a small filter. Plug the intake hole again. I noticed the kit you bought only has two hoses, one in and out out. There is another version of that system that has three ports, one in and two back out. That one will allow you to take in both hoses out of both valve covers and vent out to a filter with minor adjustments to system for adding a filter on out port(hose adapter). I will be doing this set up shortly and can let you know how it goes. 🤞👍
How did it go bud
@@segbachan5123 still haven't done it yet. Sorry.. 😆
How often do you have to empty the catch can? How many miles, if you had to guess? Thanks buddy
Interesting about blow by. I drive a 07 mini cooper N/A and i found some oil around where the intake manifold mounts to the engine so thats fun. Probably should get a catch can now
I would highly recommend it, i just installed one on my 2012 chevy equinox 4 cyl, i already feel the difference
When the breather was on, was the PVC valve modified at all to be free flowing or is it still stock with the open/close feature?
Just wondering what would be better with a C.C. setup
Good stuff my dude.
Great video. I see that it's an ADD 1. I went on the site and found one for $170 but after adding what I thought would be included, the price was close to $300. My question is, what all did you buy and or add to yours?
I have the exact same one but I have a fresh rebuild and it has 5k miles on it and I had to empty my it for the first time but since your engine is older u might have to do it every 1-3k miles
Isnt the pcv drilled out because of the breather mod ? So it's okay to install the catch can without having to replace it ?
Love the vids
Okay maybe someone here can help me lol.
Turbo 350z, single turbo. I actually did vent my PCV with the same sort of filters, except now I'm about to get a catch can setup (decided to work on it, project car). Long story short, I quickly read that you 'usually' cap off the air intake inlet (that is underneath the throttle body/intake, this usually connects to the intake, however I'm single turbo with no intake on the turbo; Just a filter). So I did this. I was then going to do the Catchcan to the same setup as you appear to have yours, connected from the crankcase to the plenum. Should I keep the crankcase induction tube (the one that is underneath the throttle body) covered or should I fabricate a small 'intake' off the compressor wheel of the turbo for this to connect into instead?
I'm putting in my catch can tomorrow.
It's interesting as the verdict is sort of out I guess as to whether these are really necessary or not. There is about 1/2 cup of liquid mostly oil. Now whether that would have been obliterated by the motor as a recirculates supposedly?? I guess catch cans can't hurt
There is also a hose for the ACTUAL PCV on the driver side rear that acutally intakes air from the back of the intake tube. That is the acutal PCV intake, its not that little hose connector on the plenum.
The PCV valve is a one way OUT valve, not in. The oiled air comes from the cover back into the intake manifold so that can be burned off.
If you remove the PCV check valve completly, you will get air going back into the motor as well. On boosted applications the VQ will get blowby even from the back of the actual driver side PCV system intake.
You can see the correct flow of oil vapors in the system in the FSM image I linked.
g35driver.com/forums/attachments/canada/98237d1227123015-what-pcv-valve-do-i-need-replace-my-g35-untitled-1.jpg
i just saw a lil beat of oil in my vortech v2 blower and aslo my bypass valve its like oily but my car does not smoke wwhen driving it do you recomend this ADDW1 catch can ?
Anything with forced induction should be running a catch can, so yes.
@@Z33Garage ok thanks for reply
@@Z33Garage hey i hope you reply i wanna boost my z soon, is this the proper way to do a catch can with boost?? th-cam.com/video/YbTVlzBkOnY/w-d-xo.html
Heyo, I’m planning to get this catch can for my 2012 Subaru WRX STI stock. I’ve seen someone make a TH-cam video install two on their stage 2 2015 wrx, so I also need two? And which hose do I need the 9mm or 15mm?
Props 2 this dude
When you doing a car meet??
wouldn't the added pressure from blow-by just build up in the loop? there is no pressure escape?
blow-by -> PCV -> catch-can -> crank case -> PCV?
If anybody is confused about the prices on the catch can, the one that is for the 350z comes with the bracket and everything else you need to install it. The universal one does not. If you made the same mistake as me you can upgrade your order for $40
autozone sales original cach can? do you know where ai can find that.
Can I put a catch on a stock 350z without the deletes
I installed this exact catch can on my G35, its causing a very unpleasant odor. I'm about to remove it!
how’s the catch can going ?
What size hose do you get for the z they give you two options when you order the can....
hey brother i have a question, i have a kinetix manifold as well do you use the stock gasket for it ?
Would I need the PCV for the focus ST? It makes me choose between PCV and ccv?
I have the VR30 twin turbo in my Q50RS and ABSOLUTELY you need a catch can. 1000 miles and I get 30-35 cc of fuel laden crap in my can. Being direct injection that crap builds up on the intake valves. I need to get a STB. Yours looks very stiff. Good deal 4u.
Does it come with those two hoses?
I bought the universal catch can instead of the baffled g35 catch can how can I return it? Ty in advance
You shouldn’t need to tape fittings since they have o-ring seals.
Positive pressure pushes & negative pressure sucks. The intake should have negative pressure atleast from my understanding either way 👍
Vq gang 🖤
Do you know if the diversion plate on the 350 z fit the g35
Isn't this more of a rev-up thing? Or are you catching much off the de?
Its so cringy when ppl dont know what they talkin bout so many ppl will be miss informed
Further info?
Ian Champion not sure what exactly he was talking about, but catch cans don’t catch blow by. Blow by occurs in cyclinder, not the top of valve covers. Also you don’t lose any horse power running a catch can vs a filter.
Richard Manzanarez I don’t think he was wrong he just worded it pretty bad
Dude needs to do his homework better and not just guess. Also the way you routed that 2nd line its already kinked and that'll restrict and affect proper operation.
Does the can and hoses come in a blue color?
At 4:16 you mentioned a mod can you make a video on it
why add the tape if it has an o ring?
does this car have a throttle body spacer on it?
This car is easy... my 2016 Ford Fusion 2.0T you have to remove the intake manifold to access the positive side PCV... total PITA.
dope video bro .... i just got mine and ima install later today i think mine has 3 ports tho 🤔 not sure how this is guna go but ill mk sure to do a video 😂🤣🤟🏾 832 to like the video ....
Great video but I installed mine different. From the pcv to catch can and from catch can to the lower manifold. So I plugged the port on the upper manifold and the port that is on the intake tube
lower mannifold as in on the rear near valve cover?
@@Parahlyzd yea, usually their would be a line from the intake manifolds to it.
That’s wrong. Where are you getting fresh air to your crankcase? You can plug the intake but then you need to vent the high side crankcase…
Good vids indeed
So PCv or no pcv when you do this
Mines on its way. I picked red too.
The hose on the pcv is kinked just to let you know
What brand is the catch can
mann provent is the best oil catch can
There you have my like...
I got a Infiniti g35 2004 sedan it's a de but idk if I might need a catch can
Ryan Cooper34 if ur not burning oil then u dont have to lol just leave it be
Is this only for a de?
So is the 350z louder than the Subaru? I think you said it was in a previous video.
Lucas Cato yes the Subaru has a turbo that makes it lose a lot of the volume
Luis Bonola i know that, but i didn’t know his full exhaust set up on the subie. all i knew was it had an invidia. now he got a tomei for it
What wheels are those?
Hey man random question. I got a 06 z and i bought 05 headlights and the turn signal doesn't work. is there a way i can fix it or do i need a 06 headlight
hey man just YT it or Google
I installed this catch can on my 2004 350z and it’s starting to smoke a lot. White smoke and smells like oil. Any tips? Or is it just burning all the oil that’s been in it bc I’ve had that pcv delete thing since I’ve owned the car(2years).
Any news about that problem? Did you solve it?
Bad pcv valve,bad oil catch can flow(made engine pressure),bad catch can instalation.When engine run on idle,when you open oil cover,or pull up oil level stick,if is pressure or smoke there,pcv or oil catch can is bad and that is not good for engine and for turbo also(then back oil turbo line have pressure also,if you have pressure on oil dipstick etc)My English is bad,sorry,but you understand what i mean to say to check.
Is it better to install a breather catch system?
Noe Arciniegas that’s what I’m wanting to know
Should I be looking into a catch can for my HR or is only for the DE's that burn oil?
Ed Cadiri nah HRs are fine, they don’t burn oil. Only the 2005 and 2006s have the issue
@@Skrill3x24 05's and 06's are the Rev up engines, so does that mean the 03's and 04's are fine?
Henry the revups burn more oil slightly due to the increased rev limiter and increased hp, really depends how you drive it, but it's not a big difference from the regular de's. I have a 05 g35 and I will be purchasing a catch can soon, can't hurt lol
It's actually worthless to put an oil catch can on a N/A port injected engine. It actually causes the upper cylinder to get less lubrication. I get that the REVUP and HR models do have a higher oil consumption, but even then since your spraying fuel across the intake valves, it really just results in cylinder lubrication. Smarter idea is to just get an oil cooler for the car, as the OEM in-line coolant to oil cooler for the 350z is trash and these cars generate more hot oil vapors than need be. It would have a similar effect, but still allow some oil to get in the cylinder and keep things running smooth.
you doing both would be okay? or just one or the other?
@@collinsepulveda9670 No need on the catch cans if you get your oil temps down with a cooler, possibly even an expanded oil pan (6qt). Oil catch cans are really best for direct injection motors, because it helps keep the intake valves clean. Not of that much use on a port injected 350z, all your oil vapors are doing is blending into the fuel in small amounts at the intake valves, and adding lubrication to the cylinders. This is why the oil burns off.
If it's consuming about 1qt every 4,000-5,000mi, don't overly concern yourself, just get an oil cooler at most. If it's consuming oil fast enough, a catch can isn't going to hold all of that, and you probably have worn piston rings/cylinder walls. In this case an oil cooler can help your engines lifespan, and an oil catch can might help avoid ruining your catalytic converters, but you will need to check it often less it becomes completely full and clogs up your PCV system.
@@DaveDuzzit awesome! thanks for the insight. i need a new quart about every 3-4k miles so oil cooler seems like the way to go... to clarify in the last section though, are you suggesting having both in order to to save my cats? or do you think just the oil cooler will ultimately slow the burning to a point where it's insignificant? sorry for the questions, im new to building cars as my z33 is my first real project
@@collinsepulveda9670 I'd say go for the oil cooler and the oil pan extension. Then you're cooling the oil both in volume (6-7qt system) and with the oil cooler. It will also give you an extra qt. of headroom in the sump.
@@DaveDuzzit Oil cooler mean a lot for engine like this,more cooling liquid in system,more oil,more cooler oil,better oil,cooler oil not made bad condes on high temps,turbo is more happy..Lot Audi/wv/porshe engines from 80is are made with oil cooler in standard production,ant they was best their engines,even today i use their oil filter adapter for upgrade other engines,so easy to upgade.And guess what,engines with oil cooler have so less hydro/lifter problems,piston rings on nicasil cylinder last longer also etc..
Oil cooling is first or secund thing shoud upgrade on alloy engine..And in port inject systems,intake valves is not only thing that oil make dirty,variable inlets are there also on other engines,egr lines etc.Hot oil eat ruber hoes,block IC etc...But your comment is one of smartest of all.Sorry for my bad English.
You can make your own for about $10 that will work just as good.
Jack Nobles sounds cheap, I’m good lol
Or spend $30 and get a good.. maybe decent one.. 🤔
How do you empty it lol do you unmount it?
Twist it off
I have ordered this for my g35, do I need to change anything on the intake , tube that goes from valve cover to intake tube ?
Do you need two for the HR?
MIMCK Media correct mishimoto sells a good kit for the HR motor
Lol no. You need zero. Don't waste your money on marketing, only DI engines need catch cans. If your HR is actually burning oil you've got bigger problems.
The hose coming from the valve cover to the catch can is bent so bad that it is collapsing. Do yourself a favor and buy a PCV with a 90 on it.
Hasn't this dude got it backwards regarding blow-by? It's gasses from combustion chamber pushing past rings and going into the crankcase...which is vented with pcv valve into intake manifold. Yes?
Snake Roberts im a newb spare me. The PCV valve connects to the “IN” port of the catch can right?
@@YapperU Correct...then goes out catch can to manifold. Basically the catch can is put inline of the hose between pcv and manifold.
Snake Roberts thanks 🙏🏾!
Does anyone know of any good performance shops in Georgia where I can get my car upgraded
If you have a Z or G z1 motorsports
z1
Never skip leg day ya’ll.
ElGringo why not
Evan Hardy don’t want chicken legs
Would this be recommend for an NA HR ?
Mateo Quiroz the HR engine doesn't really suffer from oil consumption, and the Pcv valve won't be in the same spot but you could look into it!
@@aaronbaggest2029 This is the valid comment. The one above is trash. Don't put catch cans on your HR folks.
🔥✌🏾
Will this work for the de motors on z?
That is a DE z. It'll work atleast on 2003-2006 350z's.
I don't understand why the universal one costs $109 but the 370 specific one costs $325! WTF?
Speciality prices
Yo so did the catch can work 👍🏻
Does this fix oil consumption on these engines fully?
Nope just partly, some people say it doesnt even help...
Catch cans have nothing to do with oil consumption.
Just do it on your car depending on the miles in the engine you will a big improvement or not much but it will help. The idea of having that blow by back to the intake is for pollution emissions regulations purpose. My opinion no vent blow by going back to my intake.
Kinda wrong buddy
Does it have a bronze filter! I know it has a baffle but no one ever shows this triple baffle filter crap on the cap
Dont try to explaine the "blow by" because you are very confused ... 😅
I have an Audi. Trust me. I know ALOT about PCV lol. All you audi/vw boys know
$269 for such a simple thing... nope
Or just get a HR :)
I must try on my bad english,sorry.Catch can is more complicted than you think,even more if PCV is on engine..I build my own catch can,put oil level meter sensor from brake fluid can,i made adjustuble oil separation for variable engine pressures on idle,medium,high rpm etc..It takes time to do it right way,new engines have so bad factory oil separation systems,but pcv is not only bad desing thing from factory,egr flows are also so bad for turbo spoil,exsaust manifroids and inlet also..All that bad factory desings is only for Eco norms for any cost even for new engines.1/5 exsaust gas force is going for egr,and that is too high price for turbo engines..Every modern engine can run better,longer,stronger with few 'little'upgades but for do it right way,it takes time and much work for custom parts to unlock restricted potential of our engines...