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Garrett & Holset Turbo Users - Your Oil Drain May Be Too Small!

Posted by JusMX141, Apr 6, 2009

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  1. Archer Fabrications

    Archer Fabrications Supporting Vendor

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    Fp sells kits, and so does trader greg, but dont use trader gregs thrust plate. Only oem.
     

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  2. YoYo_4G63

    YoYo_4G63 Proven Member

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    12an is a huge mofo, but is the same id as the oem 1g oil pan, at least the bung i have.
     

    Attached Files:

  3. Archer Fabrications

    Archer Fabrications Supporting Vendor

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    I had to port my 6bolt oil pan.
     

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  4. YoYo_4G63

    YoYo_4G63 Proven Member

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    Seems is the same diameter.
     
  5. Archer Fabrications

    Archer Fabrications Supporting Vendor

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    Maybe they are different between years.
     

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  6. TalonSpeed

    TalonSpeed Proven Member

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    Exactly^

    What is the purpose of buying all those fittings, cutting, and welding when the STOCK 2G return is larger???
     

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  7. LandSpeed-DSM

    LandSpeed-DSM Proven Member

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    Depends on how your turbo is oriented. Also takes care of at least two spots for possible leaks.
     

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  8. TalonSpeed

    TalonSpeed Proven Member

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    I am going to cut the stock oil drain (free), use a t6/s400 drain flange ($12 ebay), 3/4 NPT to 3/4 barb ($15)
     

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  9. Archer Fabrications

    Archer Fabrications Supporting Vendor

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    You can port the -12 out.

    -14would be optimal but it doesnt exist. -16 way too big.

    For those using FF Turbo setups, custom manifolds, etc.. AN is the only way to go. Sure use stock 2g drain if you have a stock placement turbo.

    Make sure the rubber line you have on your barb doesnt collapse and kill your turbo, after all the worries LOL.

    Honestly as long as your crank case ventilation is adequate youll be fine with -12 or even possibly -10 as some are running.
     
    Last edited: Apr 18, 2014

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  10. LandSpeed-DSM

    LandSpeed-DSM Proven Member

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    Uh.. my rad hoses are -16AN. It exists LOL
     

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  11. T is for TURBO

    T is for TURBO Proven Member

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    Yup, Parker makes it.
     

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  12. Archer Fabrications

    Archer Fabrications Supporting Vendor

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    Sorry i meant -14

    Fixed!
     

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  13. pindlepiper

    pindlepiper Proven Member

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    So is a 2g return acceptable to run with an hx40 setup? Being that it is 17+mm?
     

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  14. Jst4Cyl

    Jst4Cyl Proven Member

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    Also interested if anyone is running a stock 2G oil return line on a HX40. . .

    Pictures if so?

    What about oil feed for a stock internals 7 bolt with no balance shaft?
     
    pindlepiper likes this.
  15. forcefed86

    forcefed86 Proven Member

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    Just to follow up on this, the solder never leaked or caused any issues. I've also done several other drains using soldered 3/4 copper piping with zero failures to date.
     
  16. jjw205

    jjw205 Proven Member

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    Exactly what I did. Works good so far, and less restriction that the 12AN fittings I measured.
     

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  17. ErikTande

    ErikTande Proven Member

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    Is
    I realize this is old but do you have pics? I'm doing and HX35 soon and I was thinking about going -12 AN but this thread is pursuading me to go bigger.
     

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  18. iugrad92turbo

    iugrad92turbo Proven Member

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    I'm going to grab my turbo soon hx40 I'll be doing a 12 an fitting.
     

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  19. jjw205

    jjw205 Proven Member

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    I happened to find one I took during install back in 2014. It does not leak, and the -12AN hose barely fit over the stock cut drain. I obviously clamped both ends.

    Using a -12AN fitting would be much more restrictive than this, based on my measurements. And this is cheaper and easier....
     

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  20. iugrad92turbo

    iugrad92turbo Proven Member

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    Nice set up.
     

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  21. JCL84

    JCL84 Proven Member

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    So how would I go about running a -12an line off of a FP Green HTA? The motor I bought comes with a -12an that was welded onto the oil pan. I haven't been able to find a fitting that will work with the turbo....seems like I will have to custom make something.
     

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  22. Vegas smith

    Vegas smith Proven Member

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    Simplest is probably just buy a new oil pan.
     

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  23. JCL84

    JCL84 Proven Member

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    No I will need that 12an drain in the future. I have a couple of ideas that might work....we shall see.
     

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  24. Vegas smith

    Vegas smith Proven Member

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    Running a holset in the future?
     

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  25. 1990TSIAWDTALON

    1990TSIAWDTALON Moderator

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    This is what I use and it works fantastic! You can also substitute 3/4" heater hose for the stiff AN line. I feed from the OFH with pretty high oil pressure (80+, 25 at warm idle) and drain all of that out the -12 drain and Justin says my oiling is spot on for my Holset.
    From RTM Racing:

    RTM -12 Oil drains 2017.jpg
     

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