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Forge Catch Can Kit Fitted Today :D

Discussion in 'A3/S3/Sportback (8P Chassis)' started by david_phillips95, Nov 21, 2009.

  1. david_phillips95
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    david_phillips95 Member VCDS Map User

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    [Nov 21, 2009]
    Recieved my kit on thursday so decided i would get it on today as struggling for free time these days. Think it looks great, not really had a chance to take the car a good drive to see if there is a noticeable difference to the way the engine performs. Also bought the charcoal canister cover just to tidy that corner of the engine bay up. Anyway here's some quick photos i took earlier sorry about the poor quality was dark when i took them:

    [​IMG]

    [​IMG]
    #1
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  3. Staz
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    Staz is a retronaut Staff Member Moderator VCDS Map User

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    [Nov 21, 2009]
    Hi David, nice to meet you!

    Are you expecting a difference in performance then? I thought it was a preventative mod rather than enhancement.
    #2
  4. N8
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    N8 Kowalski Details VCDS Map User

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    [Nov 21, 2009]
    Why do you always appear offline Leon :readit:
    #3
  5. david_phillips95
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    david_phillips95 Member VCDS Map User

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    [Nov 21, 2009]
    its really just to stop the inlet gunking up with recirced oil as far as i know, i will let you's know if i notice any gains. i have heard that the engine runs slightly smoother after this mod but time will tell
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  6. N8
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    N8 Kowalski Details VCDS Map User

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    [Nov 21, 2009]
    Nice one Dave!
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  7. david_phillips95
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    david_phillips95 Member VCDS Map User

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    [Nov 21, 2009]
    cheers mate, do many people on here run the forge can?
    #6
  8. N8
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    N8 Kowalski Details VCDS Map User

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    [Nov 21, 2009]
    Warren's got the BSH catch can, how much was it Dave? If u don't mind me asking..
    #7
  9. david_phillips95
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    david_phillips95 Member VCDS Map User

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    [Nov 21, 2009]
    all in a few quids change from £400 for everythin you see there, for the catch can kit its around £300 i think, bit pricey but IMO it looks more at home than the BSH can.

    Cheers
    #8
  10. Staz
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    Staz is a retronaut Staff Member Moderator VCDS Map User

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    [Nov 21, 2009]
    :ninja:

    I see! I'm interested!
    #9
  11. N8
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    N8 Kowalski Details VCDS Map User

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    [Nov 21, 2009]
    It would be lovely to see you modding the car Leon, even if it was offline :ninja:
    #10
  12. Staz
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    Staz is a retronaut Staff Member Moderator VCDS Map User

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    [Nov 21, 2009]
    I know mate! I want to do a lot to it but I am putting every spare penny into the house fund right now which is more important as my girlfriend is living in Germany still.

    I need a second job!
    #11
  13. N8
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    N8 Kowalski Details VCDS Map User

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    [Nov 21, 2009]
    Well done man, bet you miss her
    #12
  14. Staz
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    Staz is a retronaut Staff Member Moderator VCDS Map User

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    [Nov 21, 2009]
    For sure!

    But back to the catch can, as Nathan said, Warren has had this on his car for a while and hasn't mentioned any changes to the engine. But I would imagine they'd only be tiny anyway so perhaps he didn't notice :shrug:
    #13
  15. N8
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    N8 Kowalski Details VCDS Map User

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    [Nov 22, 2009]
    Looks nice and shiny, but expensive at £400, but time will tell ey...
    #14
  16. S3Alex
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    S3Alex Rarely neutral

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    [Nov 22, 2009]
    To be honest,having run 400bhp+ cars with oil separatprs previously,you aren't going to notice a change in the way the engine runs,unless it was ingesting enough oil vapour to induce preignition etc.

    What you are doing,is to add to your engine's long term reliability at high boost.
    Nothing more.
    #15
  17. KRL
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    KRL Member

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    [Nov 22, 2009]
    I installed the BSH catch can on my S3 as well. It is not a performance mod and is more of a engine longevity mod as has already be said.

    [​IMG]

    The factory PCV is fairly weak and can be prone to failure even at stock so in this case you would see a performance increase by installing a catch can or another pcv fix. When your pcv fails the cr will not be able to produce boost as it should hence a drop off in performance.

    How the PVC system works from Phil@BSH -

    The PCV system on the 2.0T is a complex one but nothing that's to difficult to figure out once you cut it apart on the bandsaw

    The first thing to do is identify what all of these ports are doing.

    [​IMG]

    PCV Gasses enter the valve cover through the port labeled Crank Inlet .

    Once inside the valve cover there are a series of chambers, baffles, and drains. As gasses move through these ports they will eventually come to the Vacuum Control Diaphragm and Diagnostic Port.

    The vacuum control diaphragm is used while the car is in vacuum. When vacuum is applied to the diaphragm it is sucked down to limit the amount of draw applied to everything behind it. In factory orientation if this diaphragm were to become ripped it would allow so much vacuum to be applied to the pcv system that oil would literally be sucked out of the head and into the motor.

    Heading towards the intake manifold there is a Check Valve This is the valve that is known for failing on these cars. When working properly this valve opens under vacuum and closes under boost.

    When in vacuum pcv gasses are pulled through the diagnostic port and into the intake manifold. When in boost the pcv gasses go out the other side of the diagnostic port and into a passage molded into the valve cover then out the Rear Outlet

    You can follow along with the flow of gasses through this image.

    [​IMG]


    As far as what the pcv fix cans do it is probably best explained from the horses mouth -

    I spent a lot of time researching this so if you have any other questions then please let me know and I will try to help.

    As always with Forge products the solution looks well engineered and very good.
    Last edited: Nov 22, 2009
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  18. devonmikeyboy
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    devonmikeyboy As far from JBS as possible !

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    [Nov 22, 2009]
    @david_phillips95. I don`t see any sight glass/pipe on the can so how are you going to see how much oil is in the can and when to empty it? I hope there are some very good baffles in that can to divert the incomming fumes downward as both the inlet and outlet pipe are at the same level. If not the gasess will just blow straight into and around the inside of the tank and back out the outlet pipe. Where is the drain off on the can and looks like you are going to have to remove the can to empty-check the levels constantly.
    #17
  19. david_phillips95
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    david_phillips95 Member VCDS Map User

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    [Nov 22, 2009]
    you can see the sight glass in this picture
    [​IMG]

    Internal Baffling
    [​IMG]
    Heres a cut open view
    [​IMG]

    Its easy to remove when it does eventually need emptied it will be a doddle, the drain plug is on the bottom of the unit.

    Cheers
    #18
  20. S3Alex
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    S3Alex Rarely neutral

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  21. devonmikeyboy
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    devonmikeyboy As far from JBS as possible !

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    [Nov 22, 2009]
    Sorry if it seemed i was having a go at you david_phillips95 no insult intended just asking and thanks for the very imformative reply. Any reason you went for this type of catch can over other makes/models as Forge do a much cheaper can i have seen on a lot of other peoples cars which is ment to be baffled etc.
    #20
  22. KRL
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    KRL Member

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    [Nov 22, 2009]
    It was me that posted the breakdown of the PCV system :yes:
    #21
  23. david_phillips95
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    david_phillips95 Member VCDS Map User

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    [Nov 22, 2009]
    Dont worry about it no harm done, After looking at the BSH vs Forge i decided to go with the forge, i just prefer how it looks, where it is located and the fact it is larger so will hold more waste. Im sure the BSH catch can will do the same job just didnt appeal to me cosmetically. I havent seen any other forge catch cans listed for the 2.0tfsi? are you refering to a universal kit? The kit i bought comes with everything needed to install to the 2.0tfsi, here is the kit below in black.

    [​IMG]

    Cheers
    #22
  24. RonstarS3
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    RonstarS3 Member

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    [Nov 22, 2009]
    In laymans terms, what the hell is it??????????????
    #23
  25. david_phillips95
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    david_phillips95 Member VCDS Map User

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    [Nov 22, 2009]
    A forge catch can kit, read the thread lol
    #24
  26. RonstarS3
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    RonstarS3 Member

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    [Nov 22, 2009]
    Its far to technical for me pal lol, was hoping for a brief description instead of trying to decipher all the technical wizardry and diagrams.
    #25
  27. N8
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    N8 Kowalski Details VCDS Map User

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    [Nov 23, 2009]
    LOL @ Ron
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  28. S3Alex
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    S3Alex Rarely neutral

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    [Nov 23, 2009]
    That'd be thanks to you then!...and my apologies. :yes:
    #27
  29. GConn
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    GConn Member

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    [Nov 23, 2009]
    :o.k:

    #28
  30. david_phillips95
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    david_phillips95 Member VCDS Map User

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  31. G"MAN
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    G"MAN GONE LOW BUT GOING LOWER

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    [Dec 9, 2009]
    with my 2ltfsi.. ive been having abit of a problem with boost issues and was reading this and it kinda makes sence. all the old oil vapur is going back into the engine cousing clogging a problems and a result could be b boost problems so i belive... is this right??

    .if that is right do you reckon the catch can pcv system will help the boost isues.
    i allready have the forge dv fitted so i know that is in good working order..

    could someone just advise if that is the problem
    thanks graham.
    #30
  32. KRL
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    KRL Member

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    [Dec 9, 2009]
    The build up of gunk is unlikely to be causing you boost issues. Much more likely is that the factory PVC may have failed. Therefore you could fix it by installing a catch can or one of the other pcv fixes.

    Bear in mind that boost problems could be caused by many other things as well like boost leaks or a diverter valve being on the way out. So before spending your hard earned make sure you know what the problem is first.
    #31
  33. G"MAN
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    G"MAN GONE LOW BUT GOING LOWER

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    [Dec 10, 2009]
    ive checked all the boost pipes and i already have the forge dv fitted so uprated allready and thats all tight so its more than likley that then i would have thought..

    i think i shal order the BSH kit wotht he trues seal induction aswell . lol

    i shal let you know if it works thanks buddy.

    G
    #32
  34. KRL
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    KRL Member

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    [Dec 10, 2009]
    Sounds good!

    Good luck and give me shout if you have any more questions :)
    #33
  35. Forge
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    Forge Member

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    [Dec 11, 2009]
    #34
  36. KRL
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    KRL Member

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    [Dec 11, 2009]
    Nice or should I say yuk!!

    For me installing the catch can is a no brainier if you plan on keeping the car for any prolonged length of time.
    #35
  37. Forge
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    Forge Member

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    [Dec 11, 2009]
    yes its nasty mess
    #36
  38. AuldReekie
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    AuldReekie Member

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    [Dec 11, 2009]
    Forge be aware that Borat seems to have hacked your ASN account.
    :think:
    #37
  39. Forge
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    Forge Member

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    [Dec 11, 2009]
    I do not understand...sorry
    #38
  40. AuldReekie
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    AuldReekie Member

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    [Dec 11, 2009]
    Just a lame joke mate, don't worry though I ordered my own taxi. :)
    #39
  41. Forge
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    Forge Member

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    [Dec 11, 2009]
    got it ...sorry ...bit slow in the head down in Gloucester this morning
    #40

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