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Old August 11th, 2017, 12:49 AM   #1
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Oil catch can

Does anyone know of any decent oil catch cans for my freely opened front and rear pcv valves on my turbo setup. Also what would be the perfect installment spot so that the blow by fumes will not get inside the car(Annoying).
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7th generation
03 accord coupe
j30a4
HFP lip kit
Spec stage 4 clutch
Modified siemens injectors 560cc
Hondata Flashpro
6speed tranny
60mm borg warner
9 pounds

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Old August 14th, 2017, 02:39 PM   #2
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Any catch can, including home made, will work.


You should not have any fumes from the catch cans if they are sealed up correctly and you vent to the intake versus using a filter to vent into the engine bay.

Turbo is not my thing so do some research on your specific set up as far as running the lines.
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Old August 27th, 2017, 11:31 PM   #3
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Ill take that into consideration. I have two oil catch cans on the way ill post a pic when i get everything installed.
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7th generation
03 accord coupe
j30a4
HFP lip kit
Spec stage 4 clutch
Modified siemens injectors 560cc
Hondata Flashpro
6speed tranny
60mm borg warner
9 pounds
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Old September 4th, 2017, 06:55 PM   #4
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Finally got oil catch cans installed for front and back pcv valves
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File Type: jpg 20170903_153524_1504572840178.jpg (1.97 MB, 122 views)
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7th generation
03 accord coupe
j30a4
HFP lip kit
Spec stage 4 clutch
Modified siemens injectors 560cc
Hondata Flashpro
6speed tranny
60mm borg warner
9 pounds
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Old September 10th, 2017, 01:08 AM   #5
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Oil catch can

The oil catch cans seem to prevent about 95% of the blow fumes from getting inside the car. I waited a few days to see if that wasnt the case but it seems to work even when I dont have the a/c on recirculate. I still smell a little mixture rich but I took it to the muffler shop a few weeks back to seal any exhaust leaks. Trying to go through the process of elimination, ill take it back sometime in the near future to see what the problem is. I'm really starting to think that smell isnt going to go away for the fact that the hondata is programmed for rich settings. Anyways didnt route outer hoses of oil catch cans to the intake. I had them leading to both corners of front bumper to air out. I might put a small filter on the tip of the hoses to maybe take care of any additional blow by fumes that got past the oil catch can filters.
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7th generation
03 accord coupe
j30a4
HFP lip kit
Spec stage 4 clutch
Modified siemens injectors 560cc
Hondata Flashpro
6speed tranny
60mm borg warner
9 pounds
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Old September 24th, 2017, 12:42 AM   #6
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Ive been doing research and I have concluded that hooking lines back to the intake wouldnt be good for engine life. I know that oil catch cans are supposed to do the job but im sure it doesnt filter out all the blow-by 100%. Having burned oil mixed with gas vapors going back to the engine isnt a good look. I can tell that the cans dont work 100% because every now and then i get a slight odor when i take it off recirculate but its a major improvement having them.
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7th generation
03 accord coupe
j30a4
HFP lip kit
Spec stage 4 clutch
Modified siemens injectors 560cc
Hondata Flashpro
6speed tranny
60mm borg warner
9 pounds
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Old September 24th, 2017, 12:43 AM   #7
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Quote:
Originally Posted by WHEEELMAN View Post
Any catch can, including home made, will work.


You should not have any fumes from the catch cans if they are sealed up correctly and you vent to the intake versus using a filter to vent into the engine bay.

Turbo is not my thing so do some research on your specific set up as far as running the lines.
Ive been doing research and I have concluded that hooking lines back to the intake wouldnt be good for engine life. I know that oil catch cans are supposed to do the job but im sure it doesnt filter out all the blow-by 100%. Having burned oil mixed with gas vapors going back to the engine isnt a good look. I can tell that the cans dont work 100% because every now and then i get a slight odor when i take it off recirculate but its a major improvement having them.
__________________
7th generation
03 accord coupe
j30a4
HFP lip kit
Spec stage 4 clutch
Modified siemens injectors 560cc
Hondata Flashpro
6speed tranny
60mm borg warner
9 pounds
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Old December 14th, 2017, 11:01 PM   #8
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Do you have any pictures of your turbo setup? I'd like to see this
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Old December 17th, 2017, 01:58 PM   #9
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Quote:
Originally Posted by ChopSix View Post
Do you have any pictures of your turbo setup? I'd like to see this
check the gallery titled (03 accord J30a4
jum861706)
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7th generation
03 accord coupe
j30a4
HFP lip kit
Spec stage 4 clutch
Modified siemens injectors 560cc
Hondata Flashpro
6speed tranny
60mm borg warner
9 pounds
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Old December 17th, 2017, 07:58 PM   #10
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I have the same issues with my set up... problem is I don't have an intake to feed the fumes back into. On the dyno its pretty obvious to see the fumes coming out of the rear head around 6psi and greater. I guess this just comes with the territory.
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Old December 18th, 2017, 07:34 PM   #11
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Do you realize that you can vent it into the exhaust? With or without a catch can it is easy & efficient to vent it into the exhaust, all that is required is a air injection check valve (from '70 & '80's cars), welding a half nipple into the exhaust, and a little hose. It will actually maintain a slight negative pressure in the crankcase & instantly burn any oil vapor. Just Google "vent crankcase into exhaust".
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Old December 25th, 2017, 11:43 AM   #12
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Well the the 7th generation accords have the positive crankcase ventilation system so r u sure that wont offset anything just making sure.
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7th generation
03 accord coupe
j30a4
HFP lip kit
Spec stage 4 clutch
Modified siemens injectors 560cc
Hondata Flashpro
6speed tranny
60mm borg warner
9 pounds
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Old December 25th, 2017, 12:56 PM   #13
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If that question is for me I'm sure it will work on any application though a turbo may complicate things a bit. The location of the exhaust system connection makes a difference so do a little research to find the best place.
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Old December 2nd, 2018, 01:42 AM   #14
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It's been a while since I've been on here I unfortunately totaled my car but engine and turbo was untouched and am currently finished with my setup in new same model accord...now my issue is even with the oil catch cans hooked to both pcv valves and then vented through hoses at the bottom I still had issues smelling the blow by inside car very annoying....as I stated in the past running the lines to the intake and letting the turbo do the work isnt the best option but I know I cant be the only one with this issue. The pcv valve to the back of engine near driver side seems to be releasing more vapors than the one In the front.
__________________
7th generation
03 accord coupe
j30a4
HFP lip kit
Spec stage 4 clutch
Modified siemens injectors 560cc
Hondata Flashpro
6speed tranny
60mm borg warner
9 pounds
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