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| Oil Catch Can | |
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| Tweet Topic Started: Jun 24 2012, 09:27 PM (6,156 Views) | |
| Higgsy | Jun 24 2012, 09:27 PM Post #1 |
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it pretty much says it in the title. wheres a good, tidy, out of the way place to hide a catch can? need one for my project, but cant figure out where to put it. who has one and where is it? pictures would be awesome (if possible) for a simpleton like me. and nick gave me 4 different size options to pick from...what size do I need? ![]() ![]() cheers guys |
| from a beams ITB to a 2JZ | |
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| E910 | Jun 25 2012, 11:08 AM Post #2 |
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MOTUL 300V
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If you get a rectangular one you can squeeze it under the inlet manifold like Lucas did.![]()
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アルテッツァ RS200-Z 6MT
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| Higgsy | Jun 25 2012, 11:26 AM Post #3 |
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hmm. ill be removing that anyway, so i will have lots of space under there. |
| from a beams ITB to a 2JZ | |
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| Tezz-Winnie | Jun 25 2012, 11:37 AM Post #4 |
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These cans are designed to be installed vertical right? Mounting a catch can like that would mean you would have to remove it to see how full it was. Im just going to bolt mine to the ecu housing. Sure the PCV hoses need to go a long way but its better then mounting it like that ^^^ Just think how much of a pain in the arse it will be to empty every time you need too when your diagnosing faults and then realising you didnt need to empty it in the first place because you couldnt see how full it was. Done this plenty of times in the drift scene when guys have PCV faults and they are blowing rocker cover gaskets because like the altezza S13 have no room in that bay to mount them! |
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| Higgsy | Jun 25 2012, 12:53 PM Post #5 |
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how often do these need emptied? I was thinking the 600ml round would be fine, as we dont use up that much oil in this process, but was wanting to get others opinions. |
| from a beams ITB to a 2JZ | |
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| Tezz-Winnie | Jun 25 2012, 02:51 PM Post #6 |
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The more wear piston rings have the more blow by it will have. 600mL for a NA is more then enough. 3SGE engines are notorious for having excessive blowby especially the turbo variants. In my GT4 I was emptying my can once every 3 months but it was highly blown ect ect. Normaly you would empty it as much as you would drop your oil. Another thing is if you have to mount in a remote location, some cans have a drain hose attachment that you could rig a valve to that allows you to empty whenever you need to. Venting to atmosphere is a big no no so dont consider this option! |
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| Higgsy | Jun 25 2012, 03:10 PM Post #7 |
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cool, cheers bro. |
| from a beams ITB to a 2JZ | |
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| 2ToneTezza | Jun 25 2012, 04:45 PM Post #8 |
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Custom
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I made up a bracket to mount mine behind the radiator and in front of the dipstick, tucked in under the intake plastic. its a 600ml round style can and it sits below the recirculation inlet in the intake boot, so most buildup in the tube runs down into the can. It has the drain bung and sighting glass tube in the side, so is dead easy to empty . |
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'99 Altezza RS200Z- project car '04 1240cc Nissan March rocketship '01 KTM520EXC motard | |
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| Tezz-Winnie | Jun 25 2012, 04:58 PM Post #9 |
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You can sit a catch can on your roof and it wont make a difference in how much oil it collects or how much oil is collecting in your intake lol. Oil in your intake is because the PCV valve is dumping oily blow by gasses into your intake which collects overtime. If oil was to pool in your intake after you install a catch can then your engine is fubar or the catch can baffle is too cheap and nasty to do its job properly and you would have been better off with a coke can and some steel wool (Actually did this one) but its got nothing to do with where you put it.... |
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| 2ToneTezza | Jun 25 2012, 05:10 PM Post #10 |
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Custom
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I'm talking about oil residue sitting in the feeder tube (i'm not talking about the intake tube itself), i've made the catch can the lowest point of the return hose so when the engine is off it runs down into the can. |
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'99 Altezza RS200Z- project car '04 1240cc Nissan March rocketship '01 KTM520EXC motard | |
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| Tezz-Winnie | Jun 25 2012, 06:40 PM Post #11 |
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Ahh makes sense My bad...
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| Higgsy | Jul 1 2012, 12:13 PM Post #12 |
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ok, i got my catch can from nick. THANKS NICK now the part im not sure about. (and i cant read japanese instructions) theres 2 breather outputs on the motor. ![]() one goes to the intake manifold and one goes to the air intake pipe. my question is; how do i intall this? ![]() the problem i have is i am removing my throttle body so i cant leave that and connect up the other like most do. i see that with the TRD/Buddyclub altezza they have blocked off the second... is this a good idea for me? ![]() and like this altezza, it only has one breather hose exiting ![]() cheers for the help. |
| from a beams ITB to a 2JZ | |
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| YellowRS200 | Jul 1 2012, 02:29 PM Post #13 |
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Pyes Pa-Tauranga
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This is were i mounted mine.Spot the red arrow.![]() Uploaded with ImageShack.us ![]() Uploaded with ImageShack.us ![]() Uploaded with ImageShack.us |
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| Higgsy | Jul 1 2012, 05:46 PM Post #14 |
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and do you have both breather hoses into that? i noted the breather you had on top of the catch can. |
| from a beams ITB to a 2JZ | |
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| Celica RA45 | Jul 1 2012, 06:52 PM Post #15 |
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Lowered
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simon mount it up near the battery higher than the motor ,by being lower than the breather it will pump in heaps of oil and water vapour higher the better ,for race cars over here 2litre container is required for a 2 litre motor also i put a hose into the rocker cover where the pvc valve goes and run it into the catch can and the 1 in the exhaust side i mount that up higher as it is a fresh air into the motor |
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| Higgsy | Jul 1 2012, 07:26 PM Post #16 |
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fresh air? huh, learn something new every day. but isnt that where most of the oil vapour ends up? as the oil pools at the bottom of the air box. i can mount up by the battery fairly easily, no interest in turning it into a race car so thats fine. wish i had a better knowledge of motors right now. |
| from a beams ITB to a 2JZ | |
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| peanut | Jul 1 2012, 11:53 PM Post #17 |
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Red Horns Devil
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I am a little confused by this. Can you please take a picture? i am about to install mine. thanks!!! |
| For Vinyl Car Wrapping solutions and CarbonFiber parts email:adam@modbox.works | |
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| Higgsy | Jul 2 2012, 09:09 AM Post #18 |
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glad im not the only one
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| from a beams ITB to a 2JZ | |
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| Tezz-Winnie | Jul 2 2012, 11:56 AM Post #19 |
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Ok you really need to study what a PCV system entails. http://www.autoshop101.com/forms/h63.pdf This is a good start Im a little unsure which is the breather and witch is the pcv valve (almost certain its the one with a red arrow) though but one way to check is to let the car run till its warm and then block the one of the hoses at a time. the one that drops rpm is the pcv. This hose needs to be connected to your catch can and the other side needs to be connected to some point AFTER the MAF. If you just let it breath from atmosphere then you lose metered air and you will run slightly rich UNLESS you have had a retune but it will still play up because the pcv system was designed this way for a very good reason. The other fitting (probably the one with an elbow) needs to have a filter like the one in YellowRS200(the one thats connected to his catch can). It is really important that its not blocked as its a breather hose that helps the engine to expel gasses outside of the crank case under very high rpm driving once the pcv valve is fully open and cant flow enough to keep the crankcase at atmospheric pressure. |
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| peanut | Jul 2 2012, 01:02 PM Post #20 |
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Red Horns Devil
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ok..now i get this PCV thing. however i am still confused which one is the Blow by and which is the Fresh air on the 3sge.. so the blowby, i'll have to connect that to the catch can. and fresh air i can just connect it to a breather right? |
| For Vinyl Car Wrapping solutions and CarbonFiber parts email:adam@modbox.works | |
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| Tezz-Winnie | Jul 2 2012, 01:33 PM Post #21 |
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You have your terminology mixed up. The PCV valve is the blow by valve you might be referring to. the Breather is the Fresh air hose you might be referring to. Im 90% positive the PCV valve is the one with a red arrow pointing to it and the breather is the one with a green arrow pointing to it. PCV gets connected to a catch can because it MUST re route back to the manifold for AFR reasons (otherwis you can vent via a filter). The breather can vent to atmosphere via an oil filter like the one in the photo above. |
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| Celica RA45 | Jul 2 2012, 01:53 PM Post #22 |
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the pvc valve is the 1 that goes into the plenum between no 2 and no 3 runners and is the red arrow the fresh air is drawn into the exhaust side ,which is at the front of the air box the maf and the throttle body gets most of its oil film from the pvc valve |
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| peanut | Jul 2 2012, 02:04 PM Post #23 |
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Red Horns Devil
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very clear now. thanks all! |
| For Vinyl Car Wrapping solutions and CarbonFiber parts email:adam@modbox.works | |
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| Higgsy | Jul 2 2012, 02:20 PM Post #24 |
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so in the situation where i dont have the manifold and have the ITB setup.... that means i have the wrong kind of catch can? |
| from a beams ITB to a 2JZ | |
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| Tezz-Winnie | Jul 2 2012, 02:48 PM Post #25 |
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no no you just need to plumb it somewhere after your throttle body |
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