Jump to content
SAU Community

Oil Catch Can Mounting And Roughting


Recommended Posts

Okay guys i just finished putting the hoses on the can and all i think is well so far, there are pics below for feedback, i think all is well with the installation. Apart from i have one more inlet/outlet at the bottom of the can which can just be seen in one of the pics, should i just block this inlet/outlet? Also is the position ok where it is, i know it is close to the turbo heat shields etc. :wave:

Think shouldn't cause a fire should it??

post-36645-1195002014_thumb.jpg

post-36645-1195002039_thumb.jpg

post-36645-1195002077_thumb.jpg

post-36645-1195002126_thumb.jpg

  • Replies 60
  • Created
  • Last Reply

Top Posters In This Topic

It is a very simple mod to do, where u located, i'll do it for you if ur close by, anyhow is it cheap? depends on where u get ur CC from, what brand it is and what it is made out of. installation can be slightly tricky but i'd say it a begginers/medium mod.

Wanna fly down to Sydney and put one in? hehehe

I'd be confident enough to install one.

How much for one *average* price?

Plus i'd go for the steel hoses (don't like the whole garden hose look on some of the installs).

Okay guys i just finished putting the hoses on the can and all i think is well so far, there are pics below for feedback, i think all is well with the installation. Apart from i have one more inlet/outlet at the bottom of the can which can just be seen in one of the pics, should i just block this inlet/outlet? Also is the position ok where it is, i know it is close to the turbo heat shields etc. :rofl:

Think shouldn't cause a fire should it??

block the bottom hole, or else your motor will be receiving air that hasn't passed the AFM.. not safe...

otherwise your installation is correct, to be even more padentic you could route in the PCV line as well... so during idle your cam cover fumes will be collected by the catch can..

I'll snap up a photo of my setup on the weekend when i get my car back, its currently getting resprayed :) can't wait!

post-22311-1195010208_thumb.jpg

if you look at:

- Yellow line & T-Piece those lines are sucked into the oil catch can

- Blue line & T-Piece are sucked out of the catch can.

With this setup when the car is:

- Idling the blue line will be sucking from the catch can, which is drawing the fumes from the cam covers.

- On boost, the blue line will be closed off by the PCV, and the intake will be drawing air from the catch can which is drawing fumes from the cam covers.

100% plumb back solution..!

Iv read through the thread and im still finding it a bit confusing. Which way is the most efficient way to set up an oil catch can?

Most efficient is what I posted up, so on idle & on throttle the oil vapours in the cam cover are passed through the catch can.

In a 50% plumb back solution, only on throttle is the vapours passed through the catch can, and on idle the oil vapours will travel into the plenum via the PCV.

post-22311-1195010208_thumb.jpg

if you look at:

- Yellow line & T-Piece those lines are sucked into the oil catch can

- Blue line & T-Piece are sucked out of the catch can.

With this setup when the car is:

- Idling the blue line will be sucking from the catch can, which is drawing the fumes from the cam covers.

- On boost, the blue line will be closed off by the PCV, and the intake will be drawing air from the catch can which is drawing fumes from the cam covers.

100% plumb back solution..!

mate that is a big boost leak on a rb25 engine. everytime your plenum is pressurised, it will be pushing air thru the blue pipe back into the can and out the pipe to the intake. you need to relocate the pcv valve to after the can. ie: l+r cam covers tee-d into the inlet of can, can, outlet to intakepipe + outlet to plenum, pcv, plenum

Sorry I have a RB20DET, the PCV is actually located on the Plenum, I forgot that the RB25DET have their PCVs located on the cam cover.

Solution: get a generic PCV and run it just before the plenum.

  • 2 weeks later...

post-22311-1196204186_thumb.jpg

this is how I hooked mine up, but please note its a RB20, i.e. the PCV is actually on the plenum, RB25 guys should go buy an inline PCV from a local spares shop.

  • 1 year later...
post-22311-1196204186_thumb.jpg

this is how I hooked mine up, but please note its a RB20, i.e. the PCV is actually on the plenum, RB25 guys should go buy an inline PCV from a local spares shop.

Is there anything wrong with this setup? So I'd just have to buy ANY inline pcv valve?

Sorry, I know it's a year old post, but this is the best way (I think) I've seen a catch can setup. I'm trying not to have to run 2 catch cans, because I want to filter out the pcv valve vapors AND the valve cover vapors.

i ripped mine out and replaced it with a blanking plug. the hoses from the rocker covers run into a catch can. ive seen some pretty serious rb drag cars running similar setups so im sure its not 100% essential to have the pcv operational in that manner.

If it is, id be keen to hear about it?

  • 2 months later...
is my catch can set up correctly?

Yup, but in that setup you can block the PCV off too.

I have mine set up like yours but with the PCV blocked off.

MetalcastHigh.jpg

You cant see it because i painted the PCV bung black. Removed the valve and replaced it with an alloy bung. And of course a bung in the PCV-Intake Mani hose.

  • 10 months later...

can some one get a pic or draw one for me so that i can install a catch can on my car please..... could someone pm me the pic or drawing....

also could someone please suggest what size hose i should use and where to get it from ? im located in melbourne....

  • 4 years later...

Long story short i can run the two pipes off of the rockers to a catch can and then use a fliter on top and thats it? let it vent to the atmosphere and no other lines are needed to be run?

Can anyone recommend someone to custom make one and that knows how to baffle properly?

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now



  • Similar Content

  • Latest Posts

    • Even more fun, leave all the ADAS stuff plugged in, but in different locations, hopefully avoid any codes!   And honestly, all these new cars with their weird electronics. Pull all the electronics out Duncan, and just shove an aftermarket ECU and if needed a trans controller in, along with a PDM. Make it run basic but race car styled!
    • To follow up a question from earlier too since I had the front bar off again (fking!) This is what is between the bumper and the drivers side wheel And this is the navigator side, only one thing but its a biggy! So basically....no putting coolers in the wheel arches without a lot of moving other stuff. Assuming I move to properly race prepping this car I'll take that job on and see how the computers respond to removing a whole bunch of ADAS modules
    • So I prepped the car for another track day on Wednesday (will be interesting to see coolant temps post flushing out and the larger reservoir, with a forecast of 3-14 being 20o cooler than last time I took it out). Couple of things to mention; since I am just driving the car and not taking a support vehicle, I took the rear seats out and just loaded the back up Team Trackday style. Look at all that space! To cover off removing the rear seat....it is weird (note the hybrid is probably different because it wouldn't have folding rear seats) Basically, you remove the lower seat base, very similar to a r series but it is a clip that pulls forward to release the base rather than it being bolted down. Easy Then, you need to remove the side section of the rear seat on each side. There is a 14mm head nut at the bottom of the side piece, the it slides upwards off a hook at the top to release; you also need to unhook the seatbelt from the loop at the top. Then the centre piece is weird. You need to release/fold the seats forward with the tab in the boot on each side From there, there are 2,x12mm headed bolts holding the rear of each seat to the folding bracket, under the trim between the rear seat and the boot (4x christmas tree clips there, they suck). The seat is out but you can see where the bolts attach to the bracket
    • As discussed in the previous post, the bushes in the 110 needed replacing. I took this opportunity to replace the castor bushes, the front lower control arm, lower the car and get the alignment dialled in with new tyres. I took it down to Alignment Motorsports on the GC to get this work done and also get more out of the Shockworks as I felt like I wasn't getting the full use out of them.  To cut a very long story short, it ended up being the case the passenger side castor arm wouldn't accept the brand new bush as the sleeve had worn badly enough to the point you could push the new bush in by hand and completely through. Trying a pair of TRD bushes didn't fix the issue either (I had originally gone with Hardrace bushes). We needed to urgently source another castor arm, and thankfully this was sourced and the guys at the shop worked on my car until 7pm on a Saturday to get everything done. The car rides a lot nicer now with the suspension dialled in properly. Lowered the car a little as well to suit the lower profile front tyres, and just bring the car down generally. Eternally thankful for the guys down at the shop to get the car sorted, we both pulled big favours from our contacts to get it done on the Saturday.  Also plugged in the new Stedi foglights into the S15, and even from a quick test in the garage I'm keen to see how they look out on the road. I had some concerns about the length of the LED body and whether it'd fit in the foglight housing but it's fine.  I've got a small window coming up next month where I'll likely get a little paint work done on the 110 to remove the rear wing, add a boot wing and roof wing, get the side skirt fixed up and colour match the little panel on the tail lights so that I can install some badges that I've kept in storage. I'm also tempted to put in a new pair of headlights on the 110.  Until then, here's some more pictures from Easter this year. 
    • I would put a fuel pressure gauge between the filter and the fuel rail, see if it's maintaining good fuel pressure at idle going up to the point when it stalls. Do you see any strange behavior in commanded fuel leading up to the point when it stalls? You might have to start going through the service manual and doing a long list of sensor tests if it's not the fuel system for whatever reason.
×
×
  • Create New...