Do Oil Catch Cans Actually Work?

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Proof That Oil Catch Cans Are Worth It For Direct Injection Engines
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What is an oil catch can? Do oil catch cans actually work? What do oil catch cans do? Can oil catch cans prevent carbon deposit from building up on intake valves? This video dives deep into the world of catch cans, demonstrating how they work, what science says about PCV systems and valve deposits, a real world example thanks to Humble Mechanic, and finally the difference between cheap and expensive catch cans. We’ll look at the difference in features between a $25 catch can versus a $230 catch can, and whether or not the price difference is justified.
Oil catch cans are placed between the PCV valve and the port on the intake manifold, allowing for the can to remove any oil that would otherwise end up back into your intake manifold, which can cause deposits to form on the intake valves. This video will examine their effectiveness, and if they’re a logical solution.
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Kommentarer

  • Engineering Explained
    Engineering ExplainedÅr siden

    A lot of questions asking "why don't catch cans come stock on cars?" Lots of reasons here, but some of the most obvious: 1) It's another maintenance item, and customers have a hard enough time just keeping up with oil changes. Examples like AdBlue and water injection systems, come to mind, engineers try to develop solutions around customer maintenance. 2) If a customer neglects it, the catch can fills, and then you're dumping that oil into your intake; this is worse than doing nothing at all. Then it's a liability issue for the manufacturer. 3) Ideally, a proper engineering solution to prevent carbon buildups wouldn't require any effort on the customer's part. This is where auto companies will put their focus. "How do we prevent carbon deposits." There are companies that do much better than others with DI engines. Catch cans are not the only solution. If you have an engine that suffers from carbon deposit problems, a catch can is likely to improve the system, as demonstrated in the video.

  • Jared Jeanotte

    Jared Jeanotte

    3 dager siden

    I Would be cool if you sent out the oil in the catch can to be tested

  • Aidan Bhuiyan

    Aidan Bhuiyan

    5 dager siden

    What about a heated AOS that dumps the oil back into the oil pan/crankcase? Low maintenance, the Heated ones as I understand will keep the condensation and water out of the oil so it’s safe to drain it back into the engine.

  • Amzar Nacht

    Amzar Nacht

    16 dager siden

    I'm willing to bet manufacturers do *NOT* focus on "how can we prevent carbon deposits". Very likely they focus entirely on "how do we control carbon deposits for design obsoelence?" So they can make a car slowly fail over time, preferably long after warrantee periods, so people are more likely to come back to them for high end maintenance or an entire new vehicle.

  • Anton H

    Anton H

    28 dager siden

    @AJ Lopez check a few replies below yours. One user states that fords ecoboost engines have a sort of solution for this

  • Hans Caspersz

    Hans Caspersz

    Måned siden

    Surely this can be taken care of as part of vehicle regular service. With long warranties nowadays even manufacturers would have a benefit?

  • Stephen Cannon
    Stephen CannonDag siden

    I have a 2015 Infiniti Q70L with the 3.7 V6 and approximately 47k miles. Infiniti calls the injection system is Nissan Direct Injection which I am focusing on the two key words...Direct Injection. Stands to reason based on that description that a catch can would help. Yes the previous owner(s) apparently didn’t use one or if they did it was removed prior to my purchase. I would suspect that the carbon has had almost 50K miles to build up.... With that said two questions. 1. What if anything can be done to remove the current build up....( I have not done a boroscope yet, just thinking worst case scenario.....is there a method to clean and help remove the current build up.....short of removing the cylinder head and manually cleaning the individual cylinders? Going forward obviously the Catch. can can reduce further build up but want to help remove the existing build up. Vehicle #2: 2020 Jeep Grand Cherokee with the Pentastat V6 which sounds described as Sequential Multi Port FI. Even if it was GDI only has about 2500 miles so I would not see immediate need. Again with that notation...... Is there a advantage/disadvantage to installing a Catch Can to reduce carbon build up going forward? Even with current build up the CC would reduce the effects of future damage. One final question for clarification..... Catch Can and Air/Oil separator are the same thing right? Just different naming!

  • JP
    JPDag siden

    Question: isn't it good to have a bit of oil being vented into the intake manifold to help lubricate the combustion chamber? Unleaded fuel is really poor at lubricating the cylinder walls. My theory is therefore that leaving the PCV system as is is better for the longevity of the engine. I have done zero research though.

  • JP
    JPDag siden

    My biggest question is whether it's necessary to spend a million dollars on one with a Perrin logo on it vs $20 for one made from an old coffee tin.

  • Lúcio Pedersoli
    Lúcio PedersoliDag siden

    Can u just throw it in atmosphere?

  • mark m
    mark m3 dager siden

    One thing if you want to believe what your talking about you should put a drain at the bottom of the oil catch can back into the dipstick and run it back into the motor when the car shuts off and another thing is multiport fuel injection along with direct injection have eliminated the need for this system anyhow.

  • Got Auto Skills
    Got Auto Skills6 dager siden

    Stop watching this video save your time

  • highsoap
    highsoap8 dager siden

    Want a cleaner intake in general, not just the intake valves? Cancel the damn EGR.

  • George Robartes
    George Robartes8 dager siden

    No . Only when used with a proper crankcase evacuation system .

  • Rotor Blade
    Rotor Blade9 dager siden

    I have a naturally aspirated 3.0 l6 and installed an occ recently. The engine already has a cyclone oil separator part of the valve cover. The occ catches insignificant amounts of oil during summer days. During cold days the same plus a good amount of water. In the winter there is a risk of water freezing and destroying the can. Also that water may have some cleaning properties but probably not, probably it’s condensation from humid air not water droplets and humid air doesn’t clean anything. There is an yellowish oil-water mixture that covers the walls of the tubes. This mixture gets into the manifold slowly and could affect parts of the manifold. For example mine has flaps to optimize manifold airflow and oil can affect them, but I doubt it can be stopped completely.

  • Shanathan Raikonen
    Shanathan Raikonen9 dager siden

    Loved the video was hoping you were going to show how to install it.

  • Emre Bingol
    Emre Bingol12 dager siden

    why do not car manufacturers install these in their gdi engines I wonder?

  • lono suhdudiste
    lono suhdudiste14 dager siden

    Anyone did this for a mazda cx3 2016?

  • Amzar Nacht
    Amzar Nacht16 dager siden

    So... why not vent the catch can reservoir through the oil filter and back into the oil reservoir? Perhaps not full time due to potential pressure differences, but with a cut-off or flush valve that'll open the bypass only when the level in the catch can reaches a certain point?

  • Daniel Long
    Daniel Long16 dager siden

    My question is we keep talking about direct injection. Most well designed engines are multiport now or just traditional fuel injected which are to a point self cleaning. How much of an effect does this really make on those?

  • randell gribben
    randell gribben19 dager siden

    nice ' slight ' on the ecotec engine... i huess you only think japanese and german engines are worthy of praise... that is very narrow minded of you.. i went for an engine conversion on my 1984 alfa romeo spider.. looked at honda, nissan toyota, bmw engines. and the best bang for the dollar ...........was the 2.2 ecotec.. has a very thick bedplate 4 bolts per main, the ecu is easy to re program,,, the block was designed by opal ( thats a german company... wow ! ) and fiat.. the head was designed by lotus... you know that company...right????? yes the first year or so, had timing chain problems.. they fixed that with new tensioner, and oil sprayer..( did you forget, that bmw had lots of problems with there vanos system.. or do you over look that.. because its a bmw ? )i rebuilt my 2.2 ecotec,, did a lot of intake and exhaust work,, rasied the compression from 9.5/1 to 10.7/1.. had CBM motorsports update the ecu.. put on a 2.4 intake manifold, with an adapter so i could retain the 2.2 t/b hint.. its a better set up// rods are polished to mirrors ( had a lot of time last winter on my hands,, and they ere checked before and after for cracks.. and they way to .005 of a gram to each other )pistons weigh exactly the same.. and stainless steel headers... results?? 217 hp at 7100 rpm 186 ft/lbs tq at 4300 rpm.. and the tq does not go below 152 ft/lbs from 1200 rpm to redline of 7500 rpm... yes i know its a crappy gm engine.. you should not even in the same breath mention that engine while spouting about the perfect japanese/ german engines... even oem.. the 2.0, 2.2 and 2.4 ecotec engine are very well built.. sand rail racers buy them for the high tq they produce// perhaps.. checking your facts... first.. before you ' slight ' some else's products.. i makign a bet with a freind i work woth you will not answer this... he's a bmw tech.. 22 years now.. and guess what he did??? he put a modified 2.4 ecotec into his 1988 323 bmw.. why,, his bmw engine ..failed

  • MOPARman345 HEMI
    MOPARman345 HEMI21 dag siden

    Regardless of the valves, PCV increases your IAT's and that alone decreases horsepower; but PCV's also, by nature, are recirculating hot gases and oil mist into the intake, mixing with the air and then the fuel that your engine is using too run, which displaces air, and decreases power that way. Now I know not everyone cares about making maximum power from their engines, but every internal combustion engine with a PCV stands too benefit from oil catch can for reasons of longevity and fuel economy. You might ask why then do manufactures not install them on cars? The answer is pretty simple. The vast majority of people don't want to work on their car in any capacity. Most of them have never even opened their hood; but a catch can requires you remove it and dump oil out of it every now and then --- non car people don't want too do that, and most people are in fact non car people unfortunately.

  • Assel AE
    Assel AE22 dager siden

    🤗👌👍🏼👍🏼💯

  • Ram Ecodiesel
    Ram Ecodiesel23 dager siden

    The PCV or Positive Crankcase Valve was designed to keep your engines blow by from dripping oil onto the ground, before PCV valves the blow by was routed from the engine via a small hose and the oil would just drip onto the ground which is not good. The small amount of oil vapor that the PCV directs into the intake will not harm anything, plus todays oils have very low ash content to them when they are burned off. Catch cans are a solution in search of a non existent problem. All engines have blow by that is created from the pistons pumping up and down.

  • Ram Ecodiesel
    Ram Ecodiesel23 dager siden

    Come on people wake up, vehicles last well over a hundred thousand miles without catch cans, PCV valves have been in use for decades. Todays oils burn cleaner because their ash content is very low, there is no need to install catch cans for oil. Stop and think people.

  • Ram Ecodiesel
    Ram Ecodiesel23 dager siden

    Will a catch can catch some oil mist? yes, do they solve any problems? no. If only takes a minute to service a catch can so the excuse that they are not included on new cars because it would be more maintenance is a lie. There is so much wrong in this video that it would take another video explaining everything that is wrong. The next video is going to about why you should change out your exhaust bearings and why you need to change your blinker fluid, oh and don't forget to change the summer air in your tires and replace it with winter air.

  • Exian
    Exian25 dager siden

    Great explanation, but i was wondering, the PCV valve comes out of the valvecover but the pressure is in the crankcase at the bottom of the engine, how does that pressure get up to the valve cover? An external hose or internal "holes" in the block like water passages?

  • Ram Ecodiesel

    Ram Ecodiesel

    23 dager siden

    The PCV or Positive Crankcase Valve was designed to keep your engines blow by from dripping oil onto the ground, before PCV valves the blow by was routed from the engine via a small hose and the oil would just drip onto the ground which is not good. The small amount of oil vapor that the PCV directs into the intake will not harm anything, plus todays oils have very low ash content to them when they are burned off. Catch cans are a solution in search of a non existent problem. All engines have blow by that is created from the pistons pumping up and down.

  • Sde7th Offical
    Sde7th Offical26 dager siden

    I need one, I found oil deposits in my plentum, ugh!

  • Ivan Rybkin
    Ivan Rybkin27 dager siden

    you explanation regarding nearest valves contamination by Heavy oil droplets on the intake stroke makes no physical sense///// due to inertia, oil will be thrown either to the back wall or the the furtherest walls also on the intake from the breather inlet...learn physics!!!

  • Dean Stewart
    Dean Stewart27 dager siden

    Excellent Video, a bit long, but very detailed and a very worthy watch. If anyone does not have a catch with GDI, they should do it immediately!! As an engineer, you are Spot-On here! Very Well Done, Thank You

  • Francisco Montano
    Francisco Montano28 dager siden

    Thanks for the amazing video bro! Helps me understand this a little more, I’m slowly getting into this but would this be ideal to put on a stock chevy truck

  • buryitdeep
    buryitdeepMåned siden

    Good info and thumbs up for using the metric system.

  • Analog Human
    Analog HumanMåned siden

    My catch can is the road under the car.

  • Mik W.
    Mik W.Måned siden

    Within the first 10 seconds, he states "...catchcans are a great idea''. That was enough to convince me.

  • Jess Stuart
    Jess StuartMåned siden

    Wouldn't it make more sense just to install a gasoline mister in the intake manifold that would turn on when you are driving on the highway for 10 minutes once every few weeks?

  • Utsusemi
    UtsusemiMåned siden

    If engine oil AND fuel cleaners have carbon inhibiting ingredients like detergents and polyetheramine, then why is blowby a bad thing on TGDI? Shouldnt there still be some inhibitors in the blowby

  • PoorManRC
    PoorManRCMåned siden

    I'm one of those Old Fart Mechanics! Worked at a Lincoln Dealership through the 80's, built and Race Cars in the 90's, and finished my working years in Management.... I MISSED the GDI "Revolution", as working experience was concerned. I've only recently been learning about it... Pros and CONS. The biggest problem obviously being no more Intake cleaning, just to eek out a little less NOX, make a little more power, and squeeze a couple of more MPGs. Seems like an Engineering FAIL to me! Especially when Cars in the 90's got significantly higher Fuel Economy. The OEM can't explain that away! Yes, "Factory rated Power" was significantly lower than today... However, if you wanted it, a good PCM Tuner can easily squeeze about 700-800 Horsepower out of those 90's Engines - SAFELY!! My 1987 Buick Grand National can easily BEAT most all modern Cars. OK, the old Buick had Brakes that bordered on dangerous! Even when new. Cars today DO have much improved Chassis.... The Engines COULD be significantly better than they are - if not for ONE stifling factor..... CONSTANT GOVERNMENT OVERREACH!! 😖 People who don't know the difference between a Spark Plug and a Tire - mettle WAY too much into the design of new Cars. This has been going on for a very long time. GOVERNMENT was the main reason why U.S. built Vehicles in the 1970's were SLOW, OVERWEIGHT, POOR running, unreliable Sloth-Mobiles!! They pushed Regulations that Automotive Engineering was not yet prepared to meet. Technology hadn't caught up yet! We actually got it RIGHT by the mid 90's. The Technology had caught up - and for a while, surpassed expectations! Lately, since the VW Diesel debacle, the Industry as a whole - has been slipping again.

  • Tom Liu
    Tom LiuMåned siden

    Old school port injection, no carbon buildup, no money wasted on catch cans. Still a very interesting video to watch

  • Adrian Busuioc
    Adrian BusuiocMåned siden

    Hi. I have used a catch can identical to the Mishimoto one that hade a price of around £20 with good results on a BMW E60 520D. Unfortunately after roughly 15000 miles the oil separator element stopped filtering and has created high pressure in the engine blowing oil via the turbo seals. Now I’m running a MANN ProVent 200 genuine one and the filtration efficiency has gone up to near 100%. The MANN catch cans come with disposable filter that have to be changed at around 30000 miles but they have also a much needed pressure release valve that will save a lot of hassle and money. They worth every penny!!!

  • pughconsulting
    pughconsultingMåned siden

    GM solved all of this on my Silverado by having me pull the intake to replace the knock sensors every 80k miles. While I'm working on that I drop the intake into a Rubbermaid container of Simple Green. One dollar store toilet brush later, it's cleaner than a whistle. I don't have the direct injection issue. Truck is 16 years old.

  • CCW 1320
    CCW 1320Måned siden

    Should I Install 1 on my 20201320 challenger. ? Would like your opinion

  • Neil Inabnitt
    Neil InabnittMåned siden

    Jason thanks for the awesome channel. Being an electrical & robotics engineer myself I appreciate your level of detail and data behind your content!

  • Mike Tess
    Mike TessMåned siden

    The other major benefit of keeping oil out of your intake: Oil vapor in your intake charge will lower the effective octane rating of your fuel. Lower octane means more prone to detonation.

  • Ram Ecodiesel

    Ram Ecodiesel

    23 dager siden

    Total BS statement the small amount of oil vapor that enters the intake will have no effect on the octane of your fuel.

  • Brad Hebblethwaite
    Brad HebblethwaiteMåned siden

    With the moisture/oil/sludge buildup in these catch cans and the fine bronze filters is there any risk of blocked airflow if vehicles are parked outside in sub zero temperatures for long periods (Canada)? I have a 3.5L EcoBoost.

  • David King
    David KingMåned siden

    Should it have a check valve to keep the pressure out of the can?

  • goofsaddg gkle
    goofsaddg gkleMåned siden

    So any direct injection regular fuel car, even brand new, would benefit? Im looking at a 2021 2.0L Wrangler.

  • ARK rain FLOOD
    ARK rain FLOODMåned siden

    do catch cans work with turbocharged engines? how complicated to use install a catch can with an audi 2.0 tsfi engine?

  • Kirk Lazarus
    Kirk LazarusMåned siden

    Can these be used in the new Honda 1.5 turbo engines?

  • Jonathan Ochoa
    Jonathan OchoaMåned siden

    What should you do to the oil from the catch scan when cleaning it up?

  • yipe222
    yipe222Måned siden

    Running a vacuum pump for the crankcase like some racing engines should eliminate the need for a oil catch can , and free up some HP at the same time.

  • eeiko321
    eeiko3212 måneder siden

    My only question after watching this is, for VW/Audi.. there’s a PCV valve that is usually deleted in order to install these catchcans. Will one of these catchcans work better than the factory PCV valve?

  • Matt F
    Matt F2 måneder siden

    Great that you included the study esp since most of us prob don't have access/subscription to SAE periodicals.

  • Ocean Xavier
    Ocean Xavier2 måneder siden

    I've been using 2 of the $25 catch cans for the last couple of years on my 07 350z which is a weekend car and track car only; not daily driven. They work very well, however they fill up quickly due to their smaller volumes and my particular build. Emptying them regularly is very important, I notice a difference in performance almost instantly once they are close to full. Great products; have held up very well.

  • Jonathan Jainarine
    Jonathan Jainarine2 måneder siden

    or they run on electrons or something 😂😂😂

  • Alberto Lopez
    Alberto Lopez2 måneder siden

    Why the 🦆 is the jlt oil catch can not carb legal in Cali ??!!?🤦🏻‍♂️

  • Dave's Philippine Daydream
    Dave's Philippine Daydream2 måneder siden

    I got the cheap one for my Silverado and it works awesome

  • Rocco Arroyetti
    Rocco Arroyetti2 måneder siden

    Do I need to install a oil catch can on my Volkwagen Atlas 2019?

  • potatochobit

    potatochobit

    Måned siden

    Mostly on turbo cars is yours direct injection like gdi?

  • Bij Dikh
    Bij Dikh2 måneder siden

    Bruh I wanna get a catch can for my R56 Cooper S, but at the same time I want a cold air intake because I heard my turbo spool up for the first time and want it louder.

  • Rebel Ramos
    Rebel Ramos2 måneder siden

    Seems pretty helpful for those GDI engines. What if an engine had 2 oil catch cans? Or an oil catch can going to another oil catch can, then to the PVC system?

  • Red Archer
    Red Archer2 måneder siden

    I installed one on a 2011 F-150 3.5 ecoboost 145K after 2800 highway miles the catch can was completely full of light brown foam. Almost like a blonde latte. Any comments?

  • Daniil Pechenev
    Daniil Pechenev2 måneder siden

    Why just don`t install valve cover breather instead catch cans?

  • marlo de guzman
    marlo de guzman2 måneder siden

    Does this apply to diesel engines too?

  • Sourav Bhattacharya
    Sourav Bhattacharya2 måneder siden

    Will this work with 2018 Audi Q5 with the 2.0 TFSI engine? Does anybody know?

  • Daniel Viveiros
    Daniel Viveiros2 måneder siden

    Are you saying an oil catch can is only good for forced induction?

  • ppernett1
    ppernett12 måneder siden

    Why can’t you just disconnect it, and put in a release valve and not connect to the intake manifold?

  • FJP
    FJP2 måneder siden

    You talk too fast. Relax a little!

  • Greg Nixon
    Greg Nixon2 måneder siden

    You need closed captioning on this video for the metrically impaired. 800k km = what? A crap ton of miles. 😉

  • Amber57499
    Amber574992 måneder siden

    *Such high kilometrage? :p

  • Romario Jarrett
    Romario Jarrett2 måneder siden

    Jesus this bro cover everything about car try to understand a specific part on the car I keep on coming bk to this guy

  • lexafied3d
    lexafied3d2 måneder siden

    yes they work, are they useful for most applications and people? no.

  • Frank Sz
    Frank Sz2 måneder siden

    The "illegal" option.. is vent your crankcase to the atmosphere with a long hose routed under your car. No more checking, but it is technically polluting.

  • Taron Muradov
    Taron Muradov2 måneder siden

    I have that $25 catch can, and can vouch that it works awesome. I just had to upgrade the hoses because my car’s vacuum was squeezing them.

  • Shane Mitchell
    Shane Mitchell2 måneder siden

    Prick car manufacturers should be designing better PCV systems or catch can in their designs...

  • GH1618
    GH16182 måneder siden

    I wouldn’t put that on my truck, which has a GDI engine. GM has products and a procedure for cleaning upper engine deposits. What I want to know is how many miles of normal driving will produce sufficient deposits to cause problems. When I notice rough engine operation, I’ll have my dealer check it and do the cleaning, if indicated.

  • Daniel Hernandez
    Daniel Hernandez2 måneder siden

    I'd keep in mind the cheapest catch can of the three may cause a vacuum leak if its being used on the PCV to intake side if the dip stick isn't sealed well or has no o-ring.

  • Mikes Garage
    Mikes Garage2 måneder siden

    Very good video quality and content.

  • Alaric Niemi
    Alaric Niemi2 måneder siden

    great video! thank you!

  • Keith Wiebe
    Keith Wiebe2 måneder siden

    I call BS on catch cans. I had deposits on my old Ford FE engines like crazy. I'm sure I have intake deposits on half of my Mark VIII intakes where the injectors don't run fuel through the ports to clean them. It's just a nature of the beast and probably more from the combustion process itself rather than pcv contaminants creating the carbon. That's my take. Unless you're really draining a lot of liquid I don't see how it would have much effect.

  • Don Finkey
    Don Finkey2 måneder siden

    Just curious, I have a new 5.7 hemi engine. Is it direct injected?

  • Robert Tanksley
    Robert Tanksley3 måneder siden

    All 3 of those catch cans are useless without something inside them to catch the oil. Stick some pot scrubbers in there and they might actually work.

  • George Armstrong
    George Armstrong3 måneder siden

    "800,000 kilometers. It's very impressive one made it to that mileage." Make up your mind talk like an American or leave us out of it.

  • George Armstrong

    George Armstrong

    3 måneder siden

    on another note what is the official term non americans use for "kilometer-age"

  • Nizar Ahmad
    Nizar Ahmad3 måneder siden

    Rwgards to the sintered bronze filter baffle, does it need cleaning once its filled with oil etc? and how do we clean it? or needs replacement? a couple of sites mentiomed such filter needs ultrasonic cleaning....true?

  • Lord of the Mound
    Lord of the Mound3 måneder siden

    I can’t with the sibilance.

  • charlie dee
    charlie dee3 måneder siden

    I put a cheapy ($30) made for a BMW because of the 3/4" port size on the 4.7 in my 04 Jeep Grand Cherokee. Going on 3 years now, living in a northern cold state it really fills up with condensation water in the winter and just a bit of oil in the summer. I can say with it and PCV system I modified to the match the later 4.7's the oil cap is now completely clean and dry on the bottom. Used to get a milky coating in the winter from all the moisture that I now catch with the can.

  • Jan Pospisil
    Jan Pospisil3 måneder siden

    Question: how big is the pressure drop across the catch can?

  • Jim Ahlgren

    Jim Ahlgren

    3 måneder siden

    Hard to say. I measured it over, under, around but not across the catch can. Dang.

  • ASMR James
    ASMR James3 måneder siden

    my mazdaspeed 6 NEEDED an oil catch can. direct injection baby!

  • steve braun
    steve braun3 måneder siden

    Do you have a link for the $25 catch can?

  • Henry Ramos
    Henry Ramos3 måneder siden

    Would any of you suggest to get an oil catch can for my 1985 Mercedes Benz diesel 190D?

  • Michael Moore
    Michael Moore3 måneder siden

    how (often) do you replace the dumped oil?

  • best of the best
    best of the best3 måneder siden

    does the oil catched in those cans is really proportional to the oil missing in the oil pan when you check your oil level stick? or is the catched stuff mostly oil mixed with fuel ?

  • jenuine- B101
    jenuine- B1013 måneder siden

    I cant be the only new G35 owner here lol

  • pballer2005
    pballer20053 måneder siden

    Something people forget with oil blowby is it can massively reduce octane, so those of you pushing it with timing or boost should consider it a must.

  • [] AL []
    [] AL []3 måneder siden

    Mine, the cheapest one you can buy on eBay works just fine and wouldn't pay more. Mine was filling up with sludge badly, the changed my turbo and boom! barely a few drip of what looks like yellowish oil detergent. They work because they actually let you see what goes through to be burnt and any info on internals is good.

  • Greg Nixon
    Greg Nixon3 måneder siden

    Did you use these and create a video of your results?

  • Alex
    Alex3 måneder siden

    Just route the oil out so it never goes into the intake. No Oil Catch can needed.

  • Greg Nixon

    Greg Nixon

    3 måneder siden

    Isn't that re-routing a significant source of pollution without a catch can Where do you propose to send it?

  • Jaime Herrera
    Jaime Herrera3 måneder siden

    What about naturally aspirated

  • Henry Taverner
    Henry Taverner3 måneder siden

    It be nice if the manufacturer actually built engines correctly. I don't know why they wouldn't install this into their cars given its going to cost them $10 each on aass scale. People getting duped all the time. Need to stop the Insanity

  • James rose
    James rose3 måneder siden

    Very informative thank you got one from iroz for my TTRS custom molded and pricey $600 but hey it’s only money good piece of mind for the beast👍

  • Benjamin Coulsey
    Benjamin Coulsey3 måneder siden

    Will an oil catch can extend the life of the cars catalytic converter? In theory the catch can is preventing the car from burning oil which is what the CAT is designed to do.

  • Marc S
    Marc S3 måneder siden

    I would love to see somebody do a before-and-after video but haven't come across one yet. I think a catch can would make your car slower off the line. Maybe it would work on a crappy Volkswagen engine, because they're notorious for carbon buildup. Japanese engines don't usually have that problem.

  • Leon Wechsler
    Leon Wechsler4 måneder siden

    14 years ago I made two oil can catchers out of a glass jar filled with lots of copper wool as a strainer. It worked very well for about 10 years for the V6 Infiniti. At that time I could not find any thing decent on the market ! Cost about $15.0 each with all the plumbing. I was very surprised to see that today there are ready made ones ! The good part is that with glass jars you can see the oil inside without opening anything. The main question I had is that at 25k miles the G35 will drink 1 quart per 1000 miles, but no white smoke and no more than one or two oz of oil in the cans ??!! Never found out where the oil went!

  • chev rolet

    chev rolet

    2 måneder siden

    It went past your oil catchers.

  • Chris Kolar
    Chris Kolar4 måneder siden

    Provent 200 works great, has a drain, flows more than most pcv will ever flow, has replaceable element, drawback is size. I have one on my old Mercedes 300D turbo. The blow by is redirected and instead of a oily mist going into the engine it's nice and clean now. In this case there is a lot of blow by and would drip oil from the connector to the turbo before I installed the provent.

  • safffff1000
    safffff10004 måneder siden

    Save the cats too.

  • William Harries
    William Harries4 måneder siden

    Erm not to be that guy but. That $100 catch can. Yea. It cost me £13 with free postage off eBay. Pretty sure the guy imports them or makes them but whatever he's doing he's making serious mark ups on you guys😂

  • Scott Miller
    Scott Miller4 måneder siden

    Would a catch can work just as well on a diesel engine?

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