Thread: Second valve cover breather

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  1. #1 Second valve cover breather 
    SE Level Member Macksauce's Avatar
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    So i got a valve cover gasket leak on the back side of our sideways monster ...i was wondering has anyone ever tryed to put the front side valve cover on the back? did it fit? and would having a second valve cover breather double the cooling power ...or just create a giant oil mist that your windshield wipers arent ready for lol
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  2. #2 Re: Second valve cover breather 
    GrandPrix Junkie
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    Can't say I've tried, but why would you move the front valve cover to the back? Just replace both VC gaskets/bolt grommets and call it good. No more oil leak and less of chance of introducing other issues.
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  3. #3 Re: Second valve cover breather 
    Moderator dsmuts's Avatar
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    I'm running 2 front covers.
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  4. #4 Re: Second valve cover breather 
    Turbo is the way to go. BillBoost37's Avatar
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    You can run two fronts w/o issues. However.. you shouldn't need to because the crankcase is open to both heads and the valley is open all the way down as well as both heads are. Soooo in reality there's so much open area that you should be fine.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  5. #5 Re: Second valve cover breather 
    Donating Users Uno99's Avatar
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    Irun the front valve cover on the back so the oil fill tube was in the back making the front valve cover have a cleaner look. It was kind of annoying when it came to topping off the fluid after an oil change but it looked way better IMO and works fine.

    Last edited by Uno99; 08-20-2014 at 01:45 PM.

    02 GTP VS CAM / 3.2 MPS / CAI / SD HEADERS Catless DP & E-Cutout / AEM WB / HPTuners
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  6. #6 Re: Second valve cover breather 
    DUI BABY Bio248's Avatar
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    Quote Originally Posted by Macksauce View Post
    and would having a second valve cover breather double the cooling power
    cooling? valve cover breather? what?

    please don't tell me i'm the only one that read this.
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  7. #7 Re: Second valve cover breather 
    Donating Users Uno99's Avatar
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    ^^^ lol

    02 GTP VS CAM / 3.2 MPS / CAI / SD HEADERS Catless DP & E-Cutout / AEM WB / HPTuners
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  8. #8 Re: Second valve cover breather 
    Moderator dsmuts's Avatar
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    Quote Originally Posted by Bio248 View Post
    cooling? valve cover breather? what?

    please don't tell me i'm the only one that read this.
    I wondered the same thing.
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  9. #9 Re: Second valve cover breather 
    SE Level Member Macksauce's Avatar
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    lol the front valve cover has the oil fill hole .....instead of the cap you can put a breather there to let air into the crankcase or let the gases flow out ....cools the oil a tiny bit......i was just saying could i put the same valve cover with the oil fill hole that the front has in the back (meaning i now have two valve covers with the oil fill front and back) and put a breather on the backside one has well ....and do you guys think i would be introducing any new problems
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  10. #10 Re: Second valve cover breather 
    SE Level Member Macksauce's Avatar
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    thanks bill i didnt know that ....im 8 months new to grand prixs and it doesnt help that i gotta learn what i got more than what i can do ...bought her off i shop guy who already heavy modded it like xpz cam level mod so im learning as i go
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  11. #11 Re: Second valve cover breather 
    SE Level Member Macksauce's Avatar
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    cool so its possible thanks
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  12. #12 Re: Second valve cover breather 
    DUI BABY Bio248's Avatar
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    the point is not to have an intentional vacuum leak.

    if you have a valve cover breather on the car without having an intercooler on the car (that blocks the PCV passages) then you intentionally made your car run bad.

    it does not COOL anything.
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  13. #13 Re: Second valve cover breather 
    Turbo is the way to go. BillBoost37's Avatar
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    He already has a breather, aka vacuum leak. Maybe it was tuned for...

    I do agree with Bio,
    1. It does not cool a damn thing
    2. Having a second will not make anything work any better.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  14. #14 Re: Second valve cover breather 
    SE Level Member Macksauce's Avatar
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    my pcv valve has been deleted ...i have a short stack intercooler ......i just thought it might look cool ....totally get wat you mean by it not cooling sh*t
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  15. #15 Re: Second valve cover breather 
    SE Level Member Macksauce's Avatar
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    Yea it was tuned for it
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  16. #16 Re: Second valve cover breather 
    DUI BABY Bio248's Avatar
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    leave the rear one alone, then.

    in fact, you should make yourself a catch can setup with the front valve cover and route it back to the intake post-MAF, that way you don't have a vacuum leak. then get it retuned.
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  17. #17 Re: Second valve cover breather 
    SE Level Member Macksauce's Avatar
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    would have never known to do that .....thanks .....what is the symptoms of having a vacuum leak...im sure ive been staring it in the face for a while now
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  18. #18 Re: Second valve cover breather 
    DUI BABY Bio248's Avatar
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    the fueling will be off because there is unmetered air entering the engine.

    you can band aid it all you want, but having the system sealed is the only way to have it be "correct".
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  19. #19 Re: Second valve cover breather 
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    I have my PCV all blocked up and run 2 breathers.
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  20. #20 Re: Second valve cover breather 
    Turbo is the way to go. BillBoost37's Avatar
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    Quote Originally Posted by SnowFlake View Post
    I have my PCV all blocked up and run 2 breathers.

    That's because you are the coolest, smartest guy on the forum. All hail dual breather boy! ...
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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