how would you install an oil catch can on a wrx with a front mount?

 

What kind of oil catch can to you have?

 

on iwsti there's like 3 threads with over 15 pages each and has lots of very good information on how your pcv system works....do u plan to vta?

 

Unless you have a closed-loop catch can like this, every crankcase hose is routed into it...



...but most come in common two-port form like this.


^^Assuming you have this style:

-See the pipe w/3 hoses on the TMIC on the pic below? You'll have to remove it and replace the driver's side hose with a longer piece and join them with a tee on the passenger's side, OR you can keep it and let it sit over your IC piping.

-Next, the hose from the same tee going to the inlet tube before the turbo needs to be tee'd with the PCV valve hose that's also going into the inlet tube. After that last tee with the PCV valve, send the hose to one of the fittings on the the oil catch tank and return to the intake from the other fitting of the tank.




-What you are doing is bypassing all the lines going into the inlet tube to prevent oil/blow-by from entering your intake and hence getting caught in the tank before going back in the motor.

Hope I helped. It would be easier if I drew it, but NASIOC can otherwise show you if anything.

Love, Joe

 

Once, I spent like 3 hours with Rudy watching him try to get the hoses just right...I had no idea how **** he was lol.

 

look at the element/peterson set up with the breather at the top of their cans thats the true way to catch most of the oil and oil vapors from getting into your inlet by vta.

when crawford's race car is at events they run a vta set up where it dumps into a bucket while the car is being pushed around the track at constant boost (open loop). even though the catch can they sell isnt a vta setup...just another item to spend money on i guess....in the video below will show u a little more about what i am talking about (same way i have mine running) and the con of running a vta setup

http://www.youtube.com/watch?v=dr0nbJTTk6s

btw im really drunk

 

The PCV system on subies are very complex. Theres some thread on Nabisco some 20 pages long on the topic. I gotta go read it again because I had a catch can on the crankcase breathers for about 5,000 miles, sold my catch can, and ran about 80k miles without one. ugh.

I have to go buy a decent one and hook it up properly..

 

http://forums.nasioc.com/forums/show....php?t=1866781

another good thread with pics, information, and examples

 

what would happen with out one?

 

hey guys thanks for the all info, man was i having a hard time! lol but got it hook up. does the catch can really help that much? where would the oil go with out a catch can cause i was running my car with out a catch can 4 sometime did not see any oil anywhere idk noob question! lol thanks for all the help though.

 

Combustion gases can still get past your rings and into your crankcase mixing with oil (blow-by), exit out of your crankcase and valve cover vents, end up into your intake and eventually your engine. That oil will mess up combustion efficiency and cause you to lose horsepower, lose mpg's, and even cause knock. Ever opened up a used motor and find it to be all black and nasty on the valves and piston tops?? = blow-by.

On turbo'd cars especially? Yes.

Read my reply to abunai's quote, you'll find out where the oil goes.

 

I happened to open up my oil catch tank today and see how much oil accumalated in there.



I found this much crap at the bottom but most of it was caught in the steel sponge, which I use for baffling air and oil. Works great. No oil in my turbo inlet hose return.



Just to let y'all know what's hurting your motor without sporting some sort of oil catch or separator. Stop it while you can.

 

lol that's why I vta

 

Poisonous!!

You also need vacuum to pull the blow-by gases out of the oil catch tank or separator otherwise it'll get backed up in there and blow your seals out.

 

I do have a vacuum source he's called jimi