How an Air Oil Separator Works and Why You Need One!
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- Опубліковано 6 січ 2022
- In this video Mike takes a look at the IAG Air Oil Separator for one of our Subaru projects, explains the difference between an AOS and an oil catch can, and tells you why we think all turbocharged cars NEED one!
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This comment is to help the algorithm! Mike is like that neighbor you help out once cause he’s always working alone then you end up spending hours with him cause you find out he’s a great guy and has an immense wealth of knowledge! Glad y’all decide to make these vids
Nobody asked for you, but we could not be more happy you exist. You are currently saving me thousands 😂 THANK YOU
I could listen Mike explain anything and it would be simultaneously soothing and entertaining
Mike Kojima is such a boss. If i wasn't dirt poor I'd have them work on my shit until then I'll keep rolling around on cold concrete
I like Mike he's got a good delivery and really goes into the details and gives real world application experience for the products.
He's #1 in the world. What else would you expect?
I love this guy's whole demeanor and manner of speaking. Feels like I'm sitting down with a knowledgeable friend or colleague.
I've always heard an AOS was important in turbocharging. I know that it is pretty self-explanatory. Its obviously a device that separates air from oil but the detailed breakdown of this part, how it actually works and the explanation of "blow-by" were on point man! Thanks for all the insight and hard work you guys put into you videos....Very informative...I like the way you make simplicity out of complexity...
Even better, and the next step up for doing the job, is a vacuum pump on the engine's crankcase, the only one's I've ever been around are mechanically driven, either as original engineering or as a performance upgrade, heavily boosted engine's practically require them, I'm talking aircraft racing engine's that make 100 psi of boost, an engine like that will load up the crankcase with so much oil mist it'll drag big power off anything that has to rotate through it.
There's even some normally aspirated engine's that'll benefit from a vacuum pump, Harley's have always had bottom end breathing problems when built for high revving performance, for years every race team in Grand National racing has used mechanically driven vacuum pumps on the bottom ends of the Harley XR750 racing engine's.
I’m very grateful to you guys for taking the time to make these videos! I love to learn as much as possible about this hobby.
Really like the way you explain things. Your ease and comfort on the subject matter illustrates your deep knowledge.
You guys really know your stuff! I like that you guys actually explain your reasons for part choice rather than just listing them off
I've learned so much from your great vids. Love Mike's communication style, always end up with a smile on my face at some point during the vids.
The absolute giddiness and joy you express talking about this just makes me smile. Excellent and informative video 👍
Amazing. I love the explanation Mike gives and how to the point he is. Thank you so much for sharing.
love this man. car guy through and through. Always a smile in his face when he talks about cars.
So awesome Ive always wondered what a catch can was for and now I want an oil separator for my project thanks for the explanation!
just picked up my first subie and it had developed alot of issues right off the bat, this channel has helped me understand quit a bit about these cars and just stuff in general. great channel, thx for putting it on
You explained that so perfectly! Thank you for the information and in depth explanation of how this gem works. Just placed my order for my 2023 WRX!
Why do I just love this guy. Brilliant, nice, friendly feels. Its not normal, but in a good way.
I have used a variety of catch cans mostly on SC and Turbo LS' cars. I can see why this is a step above thanks to your excellent description - something I need to try out on the next build - thanks
Excellent and thorough review of this piece of gear!!! Super technical, but you laid it out in layman's terms for even the novice enthusiasts to comprehend. I love my IAG SS AOS!!!
You have the best way explaining anything, i admire that sir.
You guys kick ass , I couldn't be happier with the content. Thank you !
This fella has a grin like its is 1st time in front of the camera. Every video lol. Perhaps he's a happy guy.. very knowledgeable. 👍👍👍👍
Mike Kojima is my Idol Eversince.
My EJ257 with forged pistons could fill 2 catch cans (one for head breathers and one for PCV) in a single 20 minute track session and loved to drink oil. After installing the IAG AOS it returns almost all that oil back to the crank, and doesn’t need topping off newly as much. This product really does exactly what you said.
Love how he smiles the whole time
A great explanation of the features of this oil separator. Im running a non-turbo E25 in my 2009 subi forester & was surprised at just how much oil was collecting in the air box, this explanation really clarifies the root causes of some of my issues. Thank you. pity you arent in Australia.
Amazing explanation of the AOS, especially each component
I love this guy. He always looks so happy explaining. Very knowledgeable too 👍🏼
I love him too!!
You’re a good teacher. 7;39 was my favorite part.
Wow. Proof no one ever stops being a student. I have a few projects that will have your A/O separator incorporated into their systems. Keep educating us!
Just installed mine yesterday everyone keeps asking me what it does and I hear if u can’t explain it to someone else you don’t know enough about it…thank you sir
Such wholesome and informative content! Keep up the awesome work
Love you guys always furthering my education and alway sending to friends to further speed the knowledge 💪🏼
We loving us some MotoIQ. Thank you!
Rebuilding my shop rebuilt ls motor myself after very low mileage, who knows......
But going forged pistons etc now to turbo in two years or so. This made total sense and will be a good add to my build.
Thank you, good info. I replaced the one in my Porsche. Will look into putting something like this. Thanks again 😊
I didn't know differences between regular oil catch can and this particular product! Good to know of it! Thanks!
That’s why the IAG separator is so good!! They do such a good job of getting rid of the milkshake!
Love the channel 🤘🏻
Great video, his passion for cars really shines through in this video
Man, just found this and subscribed and been watching video after video! Good info!!! Building an HR 350z and 98' Z28 and this stuff it's really helpful with future decisions. Like not installing my long tubes, since I'm going to put turbos on.
Keep up the good work!
Appreciate you telling the difference between this and a catch can.
this AOS is the first mod i put on my wrx. best thing i did! especially helps with keeping down valve carbon buildup on the FA20DIT
Mike can make anything sound super interesting!
Another great video! The heated feature is interesting. I imagine that it really helps flash off more water and fuel vapor that way, not to mention speeding up oil return. Thanks for bringing us a in depth look!
Fantastic break-down of the operation of this unit, very informative!
I love how happy he is.. really loves what he does
I got my IAG comp series AOS, actually getting it installed tomorrow!
Great video! I always learn something new, and you seem like a really nice guy!
Another excellent explanation- thanks Mike!
I have to install one of these for a buddy of mine tomorrow and had no idea what I was doing or how this thing worked. Now that Ive watched your video and explanation I understand why different ports are in specific places and I think this video will help me a lot with the install. Thank you for this great video
Update, the bolt securing his intercooler to the turbo flange snapped😃
Im installing one on my vb soon. Thank you for the insight. Very informative 😁
Always been curious about how they work. Thanks for the video!
I could listen to Mike all day! It’s like a mini degree just from his knowledge transfer
I wish you were my automotive teacher. So easy to listen to and pay attention
Thanks Mike. Excellent video
Best master Sensei ever 🙏 I’m starting my learning progress in Subaru you help a lot thank you
Great review of the separator. I look forward to adapting one to my track Z and get away from the open, vented catch can.
Great job Mike! Excellent explanation of how an air oil separator works!
Thank you for watching!
great video, I was about to ask About the E-85 Mixture that i wouldn't want back in my Engine but you then answered it my Question.
A+ i feel so educated listening to him explain things.
Great video Mike! I've been meaning to get an AOS on my WRX. On a side note, I've been working with Simon K. at HMA. Was hoping if we could come tour your place but I'm not sure if he can fit that into his schedule as he's a super busy guy. Anyways, thanks again for the great content. Perhaps you guys could cover how to build an FA motor that won't blow up sometime?!
Didn’t even think about quality between AOS! Definitely going with the IAG
the best thing i put on my iag built long block in my 2005 sti
I CAN 1000% AGREE WITH CATCH CANS FOR ESPECIALLY FOR BOOSTED SUBARUS !! IF YOUR MOD'N A BOOSTED SUBARU IT SHOULD BE ON YOUR TOP 5 PARTS LIST, IF YOU WANT YOUR BUILD TO LIVE LONG RELIABLY. I UNFORTUNATELY LEARNED THIS THE HARD WAY BACK WHEN I WAS YOUNGER AND ONLY THOUGHT ABOUT HP AND VAGEEN.
Awesome job Mike ! Very detailed and explained every aspect of the canister will continue to check out more of your videos. Thank you so much. Dave
Thanks 👍
I really love your videos, your explanations are great and concise. Keep it up!
Thank you very much!
Love this guy very informative. Thank you
im so glad i found this channel
Very educational, very clarifying !!
Thanks !!!
This will solve a lot of my worries about venting my valve covers and crankcase that my oil catch can just doest do and no need to check oil level in can anymore. Its worth the $.
Nice thanks for showing the inside and detailed explanation. Now i have an idea how to make one from some exhaust pipe.
Love learning from you!
Thanks Mike, you did an awesome job on this video 🔥
Glad you liked it!
Awesome video thank you guys again!!!
Very cool product and the heating feature is great.The only potential issue I saw are the "fins" in the bottom seemed to have quite a few burrs left after machining. 🤷♂️It honestly may not even matter if the oil is being filtered enough before getting returned, just not a fan of leaving burrs on anything is all.
It could just be pixelation on my end too. 🤷♂️🤣
Anyway, great video.
I had radium dual catch cans while I was on 28 lbs of boost and now that I’m on 40 lbs the catch cans fill up quick with fresh oil so I threw on an AOS and I’m sure it works well but idk as it drowns itself back into the back of the block. It’s essential for sure. I’m also running the competition AOS so for those with a Subaru if you are not on a speed density tune run the street series as the competition is not meant for a stock PCV system.
best design I’ve seem so far 👍
cars actually have an oil separator basically the valve covers have baffles of various design so most of the oil simply falls back to crankcase then the air is vented to the breather tube and pcv on the other side. The interior of the valve cover is obviously hot so will not condensate. However, sometimes you need to recover more oil, if it’s well designed an additional oil separator will recover more or it may be even more effective than the stock. Large tubes for adequate flow is very important to prevent damage of gaskets other benefits you mentioned.
I’ve also heard a negative ccv word be beneficial but It still needs fresh air to come in so additional vaccuum under acceleration would be beneficial
From today, this is going to any engine/car I'll ever build, thanks ✌️
great video love the detailed information
Great video! We wanna see one in the s2k!
First mod I did on my STI back in 2017 - albeit the Crawford unit. Highly recommend an AOS on your turbo Subaru. Great video Mike. Love the constant perma-smile as always
CheeRS!🤙🏻
The Crawford is also a good unit.
Hey danny, i have a 2018 sti,, stock aside from hks suspension, and awe track edition exhaust.
How has it helped your 2017 sti?... What happens if i don't get one.
@@varsington potential blowby gases from crankcase ventilation that will end up in your intake track. Most noticeable in your intercooler. Good way to check: take the coupler off the intercooler and run your finger inside, if you have an oil presence, you have blow-by. The AOS will help mitigate this.
Helps in hot climate and those who track their cars.
If you live in the northern belt for it gets cold, it can have a negative effect during either months as lines can freeze. Some run the IAG with the coolant lines to mitigate this.
I never winter drove mine, so no issues.
I highly recommend an AOS for engine longevity.
Cheers
Mike is a national treasure.
Thanks for the video. I liked seeing it apart. I have one but never dismantled it. Great explanation!
Thank you for your time.
amazing videos guys
I have a poster of Mike in my room so I remember to smile every day
Excellent explanation.
Cheers😊
Incredible stuff right here
Awesome informative video
Great video Mike
I love watching your explanations.
Would you be able to do a video on the FA20 BRZ/Toyota 86 engine? Outlining pitfalls or things that can be done to improve reliability?
Its pretty much the same as our EJ videos but maybe even worse!
This, but with the FA20DIT from the WRX. I have a feeling much of it will be a carryover to the new FA24.
Thanks for the detailed explanation
This info was very useful 👍 👌
Love it. Definitely need this on my Subaru
Helping that algorithm!
I'm curious about adapting this to my GR Corolla... 25psi of boost is quite a bit of stock car. :)
What an Interesting product. Gonna have to put one on the RB25!
The Verus AOS has a drain back option, at least for the FA20.
Love mine. Installed with coolant kit. Then never have to worry about it
I appreciate the videos and information
The LEGEND, The GOAT, Mike Kojima