Save your money on the Breather tube catch CANS..They are pretty much worthless!!
 

Save your money and effort on the secondary catch can since I have been using it for the last couple track events and not a single drop of oil collected, and that's with a Supercharger kit !!! I also have to say, I don't baby my car :D somehow I managed to destroy my gaskets and bolts on my CBE at the last event but still not a single drop on the breather side catch can ..FYI they are both baffled

https://lh5.googleusercontent.com/-R...h889-no/63.jpg

https://lh4.googleusercontent.com/-a...h889-no/64.jpg


PCV side on the other hand is a must even for NA cars ..see below to see how much oil I collected after a single event

https://lh6.googleusercontent.com/-g...h799-no/61.jpg

https://lh5.googleusercontent.com/-5...h799-no/62.jpg

It's highly dependent on the motor, some motors seal very well and while others have enough blowby and pressure that the breather line is heavily utilized, I have seen several people on here having to clean out the intercoolers already.

can you clarify which one is breather and which is your pvc in your last picture?

interesting maybe with higher power /turbo but in my case it was definitely worthless..Have you checked yours and seen any oil buildup ?

the one on the left is PCV side and the other one is breather side

Those are nice little catch cans. I have one in black. Are you running a element in the little baffle chamber? I may have to add one as the return tube to the mani on mine had a bit of oil residue in it.
http://i174.photobucket.com/albums/w...FE0058D101.jpg

one more question.
there are two connections there, are you splicing into the left, right or both.

shitty ass gaskets...

This depends on a lot of factors on a NA car I probably wouldn't even consider one. It's not going to do one. But I had my front hose disconnected on the dyno one day and you could clearly see smoke coming out of mine. Mind you I am on a built engine with boost.

Run vent to atmosphere with no filters and run the tubes behind the car. Your rear vehicle driver will appreciate it.

My car is currently factory stock in terms of engine performance related hardware save for the drop in air filter.

This was found in the oil catch can after around 1500-2000 miles of street driving, mostly just putting around.
http://i174.photobucket.com/albums/w...14B176FACF.jpg

Oil catch can is a good investment even if you are completely stock IMHO.

interesting, I will check mine too ..maybe I should put some scrubbers in the chamber

I am not sure I am following you :)

again, I have been boosting for a while with track use still not a single drop..maybe at those power levels (that I see in your signature), have you been running the catch can since you saw this smoke?

Isn't there cause for concern with the high amount of blowby some of you are getting?? I have one Radium catch can for the PCV, and one for the breather. The breather is bone dry, and the PCV only has a few drops.

This is after 4 track days and aprox 5k miles of daily driving. I don't quite understand how some of you are getting sooooooo much blowby.

Have you been running an element or scrubber? What mods and power levels?
For the reference, I also check my oil levels between sessions and I didn't notice any oil consumption ( at least not something noticeable)

@TemeCal what kind of oil have you been running? I wonder if it has to do something with the moly content

I have the Innovate supercharger (intercooled), Perrin catback, Robispec cooler, radium catch cans, etc. I'm at aprox 240whp.

0w20 Eneos Sustina

Has anyone analyzed what is in the cans? I'm wondering how much of it is fuel and/or water and how much of it is oil.

Running e85 in a cold climate has filled my can with water condensate several times. I haven't gotten much oil though.

That' more likely blow by than oil which can be mostly vaporized oil being agitated in the crank case and sucked into the pcv.

I didn't remove any mesh things from the cans. I bought the "FT86" catch can kit, which I assumed had the number of baffles preset. The instructions didn't say anything about removing any either.

I did, however, think about it a bit (since @Dezoris did such a nice write up on it). Now I'm starting to wonder if I should crack it open and remove a few????

Well every can is different in how it condenses oil and so is every motor.
The Radium can which I used on about 6 different cars now used to use stackable stainless screens to help condense the oil. I always used 4 screens, Lotus, Honda, Hyundai, Subaru never had a problem and the oil weight has no bearing on it. I used low and high moly oils as well.

Radium has since added the stainless scrubber on top of the screens which I believe is to help further condense oil and potentially stop any sloshing upward.
@TemeCal

I would put stainless scrubber in between those two pieces with the holes.
(Not a lot though) I dont think that is enough to help condense the oil properly and the vapor is flowing right back out of the can. There is also basically no baffling in the can either so you need to check it often if you add the scrubber.

Reason I stuck with the Radium is I know it works well. Now I have never installed a can on the breather side until I did forced induction on this car.

The other major benefit to having can on the breather side even if you don't catch anything in it, one day if you start catching oil on the breather side its a good sign there is a problem with the PCV vent, or valve and should check that.

Its almost 80% unburned fuel the rest oil and some moisture. I ran an analysis on my old Hyundai. That car had a ton of blowby and it was DI so I was anal about catching it.

That's what I thought since I didn't notice any oil consumption. I recently ordered Motul V300 5w-30 so let's see if the moly content helps with blow by amount

Thanks! I'll try adding this.

Just FYI. I added some scrubber material in the baffle chamber about 500 miles before a track day. The amount of oil caught in the can was notably less than the last track day. Not sure how much oil temps might have to do with it versus the added scrubber as it was a night event and ambien temps were much lower. :iono:

No catch can
No problem
60k miles mixed on and off track on one car
20k miles heavy track and high boost on the other
Ran a generic moroso initially, didn't catch much.

When will my motor implode since I don't really think I need a catch can?

Same catch can installed on NA.
Picture is only after 3 weeks of DD(about 1k miles) with very few times of WOT.

Oh and any one who has same can on NA car experienced CEL?
Mine throw CEL with this until I used teflon tape on every single thread it has.

Yeah, if there was a vacuum leak in the catch can the unsteady idle should have hinted you before the CEL came on. I had to put teflon tape on all the threaded fittings as well. Are you using the same ADD catch can that i'm using? If so, try throwing some scrubbers or screen in the baffle chamber.

I doubt it, but you will end up with oil residue in the intake mani and possibly the back of your intake valves.

yes its same ADD one.
where can I get screen thing?
and does it make difference?

I'm not 100% positive but I believe it does. You will have to make your own. I've seen people use stainless scouring pads for 'scrubbers' in catch cans lol. I imagine you can cut some scotchbright pads in the correct diameter and use that as well. Or hit up the hardware store for some metal screen and cut with a hole saw the correct diameter. I think that's what Radium uses as baffle in the catch cans. The stronger the vacuum the more material you need and vice versa. The idea is to catch vaporized oil in the air before it goes into the intake mani.

i made my catch can from a can of nair.

my balls got shiny as a bonus

thanks~
I will try that.

In all fairness the Moroso can is junk. Have you pulled your IC to see if you have any oil accumulation yet?
Its more of a maintenance item to keep intake manifold and IC free of sludge. Sure it helps intake valves too but much less an issue with the port injection on this car.

It's not dry but it's not oily, if that makes sense

Cause they beat the crap out of the car and rev it high more than you I suppose

For those using Teflon tape make sure you are using the proper kind meant for contact with petroleum.
If you're using the super thin white stuff it typically dissolves in gasoline, just dip it in some and see..

Lots of people messing with fuel lines make that mistake..