new breather/ oil catch can setup
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2004-2007 Cadillac CTS-V Performance Mods Discussion, new breather/ oil catch can setup in Cadillac CTS-V Series Forum - 2004 - 2007; i figured it was time to get this thing built as i have had the parts laying around for a ...
  1. #1
    runsfromdacops is offline Cadillac Owners Fanatic
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    new breather/ oil catch can setup

    i figured it was time to get this thing built as i have had the parts laying around for a bit.
    i planed n running 5 -10 AN lines originally but cut it down to 3. i think it will be just fine with the 3 -10 AN lines.



    it passed the water test, cant ask for alot more then that



    im welding on a 30amp breaker so i have to pre heat so i can weld @ 110 amps instead of 180+

    had to make a custom short back cap to get in the tight spaces.

    you can see that i added a triangle to the end of the breather that will be a PS reservoir.

    more preheating with my custom torch holder.






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  3. #2
    runsfromdacops is offline Cadillac Owners Fanatic
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    Re: new breather/ oil catch can setup




    i almost forgot the VCs


  4. #3
    Naf's Avatar
    Naf
    Naf is offline Cadillac Owners Connoisseur
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    Re: new breather/ oil catch can setup

    wow, i like your idea,

    I am taking it a step lower, and creating a catch can that will lay horizontal with the fitting in through the bottom and the out from the front. Pix to follow, this way i catch the oil from the valve cover to the intake tube and when i stop and the air direction reverses, it sucks the oil back into the valve cover making it a service free catch can. Obviously fillin it with SS wool...

    Nice job, and great hand in welding...

  5. #4
    runsfromdacops is offline Cadillac Owners Fanatic
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    Re: new breather/ oil catch can setup

    maybe im missunderstanding you but i dont see how that will work.

    also
    DO NOT PUT SS WOOL IN A CATCH CAN!!!!!!!
    . little piecs will end up braking off and end up in your motor.... not at all good. thats what all the baffels are for. to take the the oil vapor out of the air before it leaves the can

  6. #5
    PISNUOFF Guest

    Re: new breather/ oil catch can setup

    The stainless steel wool pieces will sand down his motor internals and therefore save weight. It's all in the brilliant master plan.

  7. #6
    lollygagger8's Avatar
    lollygagger8 is offline Cadillac Owners Connoisseur
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    Re: new breather/ oil catch can setup

    I love the welding job and it sure looks pretty, but I thought metal would transfer heat alot better?

  8. #7
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    Re: new breather/ oil catch can setup

    That's pretty impressive... me likey

  9. #8
    runsfromdacops is offline Cadillac Owners Fanatic
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    Re: new breather/ oil catch can setup

    Quote Originally Posted by lollygagger8 View Post
    I love the welding job and it sure looks pretty, but I thought metal would transfer heat alot better?
    im not sure exactly what you mean by this.

    alum requires alot of amps (or heat) to weld. about 3 times as much as steel of the same thickness. so you can cheat the requirements a little but preheating the alum.

  10. #9
    AAIIIC's Avatar
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    Re: new breather/ oil catch can setup

    Some impressive handiwork there! Obviously 2 lines go to the VCs, where does the third one go?
    '05 Stealth Grey CTS-V, Hyper Silver Linea Corse Venetos w/Continental ExtremeContact DWs (summer), black Team Dynamics ProRace 1.2 wheels with 275/35-18 R-compounds (track), Hyperblack Rota Torques (winter), KW Variant3s, V2 front brakes, Hotchkis rear sway bar, EPS cam, TEA-ported 243 heads, FAST92 intake w/LS2 TB, JBA Camaro/G8 1-3/4" shorty headers w/JBA cat pipes, Corsa exhaust, UUC motor and tranny mounts, UUC shifter, MAPerformance trailing arms, Specter cradle bushings, etc...

  11. #10
    runsfromdacops is offline Cadillac Owners Fanatic
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    Thanks.
    The 3rd line is going to valley

  12. #11
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    Re: new breather/ oil catch can setup

    Chambers and baffles can be sufficient to seperate oil from air in some applications, such as compressed air systems, because there is a signifiicant coincidental pressure drop to facilitate the oil/air seperation. However, in a low-pressure application such as an automotive crankcase ventilation system coalescing material of some sort is typically required.

  13. #12
    runsfromdacops is offline Cadillac Owners Fanatic
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    Re: new breather/ oil catch can setup

    Quote Originally Posted by darkman View Post
    Chambers and baffles can be sufficient to seperate oil from air in some applications, such as compressed air systems, because there is a signifiicant coincidental pressure drop to facilitate the oil/air seperation. However, in a low-pressure application such as an automotive crankcase ventilation system coalescing material of some sort is typically required.
    im sorry but thats just not true.

    every catch can i have built or seen in all kinds of cars and hydroplanes have been just fine. the baffles are more then sufficient to remove to oil vapaer from the air before it leaves the can.
    im sure that haveing somthing like ss wool in the can would work in place of baffles but opens up alot of other problems.

  14. #13
    heavymetals's Avatar
    heavymetals is offline Cadillac Owners Master
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    Re: new breather/ oil catch can setup

    I thought baffles were to prevent sloshing around and foaming not separation unless they are heated.

  15. #14
    darkman's Avatar
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    Re: new breather/ oil catch can setup

    Quote Originally Posted by runsfromdacops View Post
    im sorry but thats just not true.

    every catch can i have built or seen in all kinds of cars and hydroplanes have been just fine. the baffles are more then sufficient to remove to oil vapaer from the air before it leaves the can.
    im sure that haveing somthing like ss wool in the can would work in place of baffles but opens up alot of other problems.
    I never said that ss wool should be used as coalescing material. The fact that some people build and run oil catch cans with no coalescing material does not prove that they are efficient. Afterall, oil catch cans without coalescing material will often remove some of the oil and will cause no harm.

  16. #15
    runsfromdacops is offline Cadillac Owners Fanatic
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    Im not sure what your getting at.

    If the motor can breath threw the can freely and all the oil vapor is being removed before the air leaves the can. What more can u ask for?

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