 breathers, ? |
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 Jun 20, 2004 - 9:26 PM
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Enthusiast  Joined Feb 3, '04 From North Carolina Currently Offline Reputation: 0 (0%)  |
what are they and what do they do, where do they go?
they look like mini air filters....what are they? |
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Jun 20, 2004 - 10:12 PM
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 Enthusiast Joined Nov 6, '03 From Campbellsville, Ky. Currently Offline Reputation: 0 (0%) |
A breather is your air filter box, that is just a slang word for it.It enables your motor to breathe in clean air so it can run properly.
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Jun 20, 2004 - 10:16 PM
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 Enthusiast Joined Dec 2, '02 From Portland, Oregon Currently Offline Reputation: 0 (0%) |
People also put beathers on the vacuum hose that goes from the valve cover to the intake piping. If you get an aftermarket intake, sometimes they don't have the correct fitting to reattach that hose...so you put a beather on the hose so stuff doesnt get sucked up into the engine. Not sure what else they are used for.
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Jun 20, 2004 - 11:52 PM
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Enthusiast Joined Feb 3, '04 From North Carolina Currently Offline Reputation: 0 (0%) |
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Jun 21, 2004 - 12:28 AM
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Enthusiast Joined Dec 2, '02 From Portland, Oregon Currently Offline Reputation: 0 (0%) |
yup thats it.
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Jun 21, 2004 - 3:40 AM
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Enthusiast Joined Aug 16, '03 From Bay area Currently Offline Reputation: 0 (0%) |
what i have heard is those breathers are used to keep the fumes from your engine crank case from being being sucked into your intake agian.
Supposely its like a performance increase because it releases this hot case air into the atmosphere rather then entering your cold air intake. you understand what i'm saying.. am i making any sense.. man i'm tired.. someone give a better explaination. |
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Jun 21, 2004 - 7:11 AM
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 Enthusiast Joined Aug 29, '02 From ny to philly Currently Offline Reputation: 0 (0%) |
I've seen people use a breather rather than a pcv valve. I don't see the point though, the pcv is afterall there for a reason.
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Jul 2, 2004 - 10:16 AM
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Enthusiast Joined May 3, '04 From Alhambra 62001 Currently Offline Reputation: 0 (0%) |
I put one on my Celica, lasted about 5 minutes then took it off. Car ran like crap! I would say leave the OEM setup there and dont use a breather.
J- |
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Jul 2, 2004 - 10:30 AM
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 Administrator Joined Aug 23, '02 From Seattle, WA Currently Offline Reputation: 14 (100%) |
I'm using a breather on my 4A-GE. We initially had 3/8" fuel line coming from the valve cover to the intake tube, then decided to just use a breather, and it didn't change anything performance-wise.
What's interesting is that if there's nothing on that tube on my car, there's a really loud pulsed whistling sort of sound. 
-------------------- New Toyota project coming soon...
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Jul 2, 2004 - 11:13 AM
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Enthusiast Joined May 3, '04 From Alhambra 62001 Currently Offline Reputation: 0 (0%) |
I took off the stock and put a breather on. In doing so I would get the same whistling sound, but my car would rev-up then kind of die, then rev-up then kind of die, then rev-up..........but only when I was in park. If I put it in gear it was fine, untill I hit high RPM's then it would have a hard time with the RPMs. Kind of weard! but when I put the stock tube back on it was fine! |
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