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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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01-23-2014, 10:45 AM | #15 | |
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I could be mistaken, just adding my 2 cents |
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01-23-2014, 12:13 PM | #16 | ||
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And so you didn't have any engine related problem? Like bad idle? Your car is N/A or boosted? Quote:
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01-23-2014, 12:19 PM | #17 |
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01-23-2014, 12:21 PM | #18 |
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i run a dual-vented setup, and it works just fine. no oil in my pipes, which is the whole point. there are theoretical drawbacks, particularly not creating vacuum in the crankcase at idle, but that's theoretical. in reality, it's just a damn catch can, and if there's no oil in your pipes, it works.
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01-23-2014, 12:23 PM | #19 | |
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My BRZ is still in the works but it shouldn't be any different they the other systems I've built. If you hook it up correctly there should be no side effects. Also don't use huge hose, mine now uses 1/2" stainless hard lines. My car has a turbo but its shouldn't really matter, any engine with DI is going to be very touchy about oily pistons and I think as time goes on we will see issues around this. These lines connect to the port under the AC compressor and the one under the back of the manifold. Those they connect to the inlets on the can. I will cap off the unused port left on the manifold and my intake piping does not have anything for that side so I don't need to worry. Here is a shot from when I was making the can, these baffles now have a series of decreasing sized holes in each layer. The concept is the oil clings to the walls and gravity pulls it to the bottom where is then goes into a hose that runs down the side of the tranny. The hose acts as the storage capacity and a handy drain. The air is left to vent out the top and that "exit" is only accessible from the inner most chamber, the cleanest. I like to use baffles instead of filter media because then the can needs to be able to open for cleaning. This design is solid state one hunk design. I'll drain it every so often and run solvent through.
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01-23-2014, 02:03 PM | #20 |
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Yes I kept the pcv valve. Yup the hose traps the oil. If you look closely, the oil residue comes out on the other side which is vented to atmosphere. That's the downside of the unbaffled cusco can.
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01-23-2014, 02:06 PM | #21 |
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When I installed it between the breather, it caught almost nothing. After I hooked it up directly to the pcv valve, that's when all the junk got caught.
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01-23-2014, 02:14 PM | #22 |
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I don't understand why this would be needed, UNLESS there is FI involved. Does it really make that much of a difference to have any type of catch can or AOS when NA?
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01-23-2014, 02:26 PM | #23 |
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Oily pistons are not good, FI is just more prone to detonation so it needs that larger window. NA can still benefit but sure not as much
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01-23-2014, 03:08 PM | #24 |
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I just prefer to keep my pistons clean even if I run N/A !
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03-19-2014, 04:06 PM | #25 | |
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http://www.ft86club.com/forums/showthread.php?t=21079 I connected it as the cusco manual shows and catch nothing. lol. Thank you!
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03-21-2014, 08:34 PM | #26 | |
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For the rest, I've plugged the PCV valve, the manifold nipple (From the PCV) and completely removed the OEM tube PCV to manifold. That way, all the vapor will go out by it self on the breather side and goes into the catch can But you got to leave one port of the catch can open like they said on the Cusco manual. I will repost later on for the results of this since my car is still in winter storage.
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06-08-2017, 02:43 PM | #27 | |
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I have both my Radium catch cans vented to atmosphere, no recirculation back into the intake, im having a vacuum leak at idle, would this cause it?
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06-08-2017, 07:34 PM | #28 |
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Damn that's an old post from 2014 @Kris86 !
I've put a plug on the PCV, but I would not be forced to do that since a PCV only open with vacuum. I don't think this is your issue ! Recheck if your plug for the intake port is okay, and check the brake booster vacuum hose too !
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The Following User Says Thank You to trueno86power For This Useful Post: | Kris86 (06-08-2017) |
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