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    Thread: Holset user thread

    1. Member Dave926's Avatar
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      06-02-2010 07:31 PM #26
      Places to purchase Holsets, besides ebay and cummins website. Info provided by dsmtuners.com

      High Tech Turbo
      (801)304-0700
      http://www.htturbo.com/

      Turbotrader
      http://www.theturbotrader.com/...49_22 (link needs updated)

      Goldfarb & Assoc. (Ebay:Saulg)
      (301)770-4514
      http://www.goldfarbinc.com/

      Tim's Turbos
      (866)388-7267)
      www.timsturbos.com

      Bullseye Power Turbos
      (231)571-8424
      http://www.bullseyepower.com/u_eclipse.asp

    2. Member Dave926's Avatar
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      06-02-2010 07:45 PM #27
      Maps:
      1. HX-35/HY35-HE341/HE351 map: provided by myself per Cummins contact
      2. HX-40 map: provided by our friends at Honda-Tech per Holset
      3. HX-40 map: provided by our friends at Honda-Tech per Holset
      4. HX-40 map: provided by our friends at Honda-Tech per Holset
      5. HX40/Super40/HX-52 map: provided by dsm-onster per Holset
      6. H1E map: provided by dsm-onster per Holset
      7. H1E map: provided by (edit in process)
      8. H2C map: provided by dsm-onster per (edit in process)
      9. H2E map: provided by (edit in process)
      10. H2E map provided by dsm-onster per (edit in process)











    3. Member Dave926's Avatar
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      06-02-2010 07:52 PM #28
      1. HX30 map: provided by ( ??? ) per Holset
      2. HE351VGT map: provided by Aero Sallee & friends at Turboford.com per Holset




      As you can see the flow axis (X- axis) is disguised as mass X SQRT( T/p). It needs to be converted. We see the same mass flow perameter on the hx30e-7765AX compressor map AND see a conversion on top to lb/min.

      So to convert to 58lb/min from the mass perameter 76.5: 76.5 X 58/76.5 = 58 or 76.5 X .758 = 58lb/min. Also we see the same suffix 7765AX for this hx30e map. Also this map looks nearly the same shape as the map plotted by Morphius but with less rpm lines. Thus both maps are the HY35 map and the hy35 compressor flows 58lb/min at 60% efficiency. The 7blade hx35 compressor is identical to the hy35 compressor. Therefore the 7blade hx35 flows 58lb/min at 60% efficiency.

      So. . .

      8blade hx35 = 52-54lb/min.
      7blade hx35 = 58-60lb/min
      8blade hx40 = 60-62lb/min
      Super40 or hx40 pro = 68-71lb/min.
      Last edited by Dave926; 06-02-2010 at 08:18 PM.

    4. Member Dave926's Avatar
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      06-02-2010 07:58 PM #29
      from biglady112 on dsm tuners. Remember this is a 4g63, so its probably gonna spool a bit slower on a VW of similar displacement.

      Dsmlink
      HX-52
      Eagle/Wiesco 2.0L
      Crower 414's
      Stock intake manifold
      7" tall air/air intercooler
      Revhard exhuast manifold

      This doesnt show hp, but the car made a max of 530whp. This is just to illustrate manifold pressure vs rpm


    5. Member Dave926's Avatar
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      06-02-2010 08:14 PM #30
      if you are curious about the physical size of the holsets

    6. Member Dave926's Avatar
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      06-02-2010 08:53 PM #31
      taken from http://www.realhomemadeturbo.com/for...p?topic=1780.0

      hx52 dyno


      9:1 CR
      ACL bearings
      84mm cp pistons/rings
      GE HG
      2.0L Bensen sleeved GSR block
      Purple EG ect. ect.
      skunk2 pro1 cams
      HOPEFULLY ported head with ferrea valves supertech springs/retainers

      i know its a honda, yet again 2.0l of displacement. Spool on a 4 cyl vw should be close, if not a bit more. That is unless you have a hogged out big port 20v head


      some rough measurements of the turbo as well



      EDIT: After going through this thread im not sure if the dyno is from a the hx52 or 55

      EDIT: HERE IS THE VID TO THIS CAR


      Im not much of a vr6 person but the hx52 sounds like its splitting the air apart
      Last edited by Dave926; 06-16-2010 at 10:43 PM.

    7. Member Dave926's Avatar
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      06-02-2010 09:07 PM #32
      and here is a thread i found on http://www.dsmtuners.com/forums/turb...too-small.html that may interest all of you that are concerned about restrictors, or not running one for that matter. The drain may be the bigger issue here, not the feed.

      Here is the thread for quick reference:

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

      Yet another possible lead on why some Garrett and Holset turbos just don't hold up on certain cars. I'm hoping to one day get to the bottom of this mystery once and for all.

      I've been noticing a strange trend among commonly-used oil drains for our cars. Read through the thread and give me your opinion at the end.

      First up, the 1G oil drain. This drain is intended to be used on 1G DSM's using a TD05H turbo, which is fed from the head with a restrictor built into the banjo fitting at the turbo. It measures somewhere around 5/8" O.D. (.572" I.D.), and works great for the turbo in which it's designed.




      Next, the 2G oil drain. This drain is all aluminum, VERY lightweight, and designed for use on the 2G DSM's using a T25, which is fed from the filter housing unrestricted with a piece of 1/4" tubing. Obviously it will be bigger to support the additional oil flow of the T25....it measures somewhere around 3/4" O.D. (.663" I.D.), and also works great for the turbo in which it's designed.



      Now on to the puzzling part.

      Most Garrett T3 / Holset oil drain adapters are set up to allow a piece of 5/8" hose to slide over a barbed end of the fitting and be clamped, or they use a threaded adapter to allow push-lock or Army Navy fittings to connect the drain flange to the oil pan.

      It's no secret the Garrett and Holset CHRA's require more oil- hell the oil drain hole in the bottom of the Holset center housing is almost 7/8" I.D., and the Garrett center housing has a very large drain hole as well....so why are the holes in all of the T3 / Holset oil drain adapters TINY?



      from turbodsm18
      10an drain flange bought from extreme psi......Restriction???



      something interesting posted from bluegs3
      Since hearing about this ive been doing some research, ive talked to a few people who have had there holsets running for a while and been pushing 400+ hp. There is one common thread between all of em that i have found. They have all made there own oil drain's. Each of them has been equal or greater in size that 19mm inside diameter drains. ive only talked to 2 holset users but both of them have been running 4000+ miles no problem on their custom drains.

      Now here is a conversion chart stolen shameless from Summit racing
      http://www.summitracing.com/streetandstrip/tech_content.asp?ID={56AF17E7-5FE2-4977-8013-42508F100FFF}

      Hose and Fitting Tips
      1. You've probably heard this one before, but AN stands for Army-Navy. Established many years ago by the U.S. military as a common measurement for hose and fittings, it designates the outside diameter (o.d.) of the rigid metal tube that is compatible with each size fitting. These dash sizes are expressed as the numerator of the fraction, with the denominator always being 16. For example, a –04 port is 4/16, or 1/4 inch.

      Here a list of common AN to fractional equivalents:
      -02 AN = 1/8 inch
      -03 AN = 3/16 inch
      -04 AN = 1/4 inch
      -05 AN = 5/16 inch
      -06 AN = 3/8 inch
      -08 AN = 1/2 inch
      -10 AN = 5/8 inch
      -12 AN = 3/4 inch
      -14 AN = 7/8 inch
      -16 AN = 1 inch
      -20 AN = 1 1/4 inches
      -24 AN = 1 1/2 inches
      -32 AN = 2 inches


      jusmx141 pointed out that the diameter for the holset center cartage is 7/8th diameter. He also pointed out from the holset manual that the oil drain has a minimum of 19mm.

      So looking at this chart the 14an fitting has a diameter of 7/8ths (equal to the holset center cartage hole) which is equal to 22.2250mm.
      Now i bet your asking why not 12AN it has a diameter of 3/4ths inch which is equal to 19mm?? What are you smoking?? Well looking at the paragraph above you can see that this is the OUTSIDE diameter of the hose not the inside diameter, which makes 14an have the necessary inside diameter that we need in order to run 19mm inside diameter hose.

      Obviously no one sells a 14an kit for the dsm... bummer, so that means for my holset oil drain setup im gonna have to make it! I plan on getting some 1/4th inch aluminum and making my own flanges buying 3/4th inch id fittings along with 3/4 id silicon hoses. Then im gonna tap the aluminum with threads for the fittings and put some worm clamps on it and hope it holds!

      This leaves only one problem the stock oil return is way to small so what im hoping to do is enlarge it to 19mm and try and make it work. if not then i can create a block off flange and drill my own hole.


      Cliff notes 14an is the way to go, but you have to create your own kit...

    8. Member Boost112's Avatar
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      06-03-2010 11:45 AM #33
      ...amazing amount of info here.... thank you very much...
      --- SPACE FOR RENT---

      Quote Originally Posted by schwartzmagic View Post
      Those VRTs are so full of win :-D

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    9. Member Dave926's Avatar
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      06-03-2010 07:22 PM #34
      i will be running an hx 30w on my car. I used a saab internal wastegate actuator with an extended eyelet rod that will let me use it the internal wastegate

      Holsets are something many people underestimate. They cost less that a garrett, and when you can have a turbo like an hx40 on full boil by 4k rpms and make 500 whp creates an awesome powerband.

    10. Member Dave926's Avatar
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      06-09-2010 01:16 PM #35
      I know there are more people on here that have holset setups....post them up !!!!!!!!!

    11. Member turboit's Avatar
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      06-09-2010 02:03 PM #36
      kinda wish I didn't sell my hx35 and put that on my jetta

    12. Member euro4-DoOr's Avatar
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      06-10-2010 12:42 PM #37
      here's mine......hy35....not done yet....but soon



      Last edited by euro4-DoOr; 06-10-2010 at 02:59 PM.

    13. Member Dave926's Avatar
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      06-10-2010 02:50 PM #38
      Awesome!!!!! Please post more info on your setup, such as manifold, engine work, dp, software etc. Anything you can think of post it up. The more info the better

    14. Member Boost112's Avatar
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      06-10-2010 03:15 PM #39
      Quote Originally Posted by Dave926 View Post
      Awesome!!!!! Please post more info on your setup, such as manifold, engine work, dp, software etc. Anything you can think of post it up. The more info the better
      x2
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      Quote Originally Posted by schwartzmagic View Post
      Those VRTs are so full of win :-D

      www.dubcartel.net

    15. Forum Sponsor Quintin@USRT's Avatar
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      06-13-2010 07:06 PM #40
      done friday...

    16. Member Sparknock's Avatar
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      06-13-2010 10:01 PM #41
      why is every using a hx35? you can get an HE351cw that come with a 9cm2 exhaust and a muck better compressor disign then the hx35
      with great power comes great responsibility......so push the gas pedal to the floor
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    17. Forum Sponsor Quintin@USRT's Avatar
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      06-13-2010 10:26 PM #42
      Quote Originally Posted by Sparknock View Post
      why is every using a hx35? you can get an HE351cw that come with a 9cm2 exhaust and a muck better compressor disign then the hx35
      design (90* bend of compressor can bring problems), price, and availability. The only real thing the HE351 has over the HX35 is faster spool which is attributed to the 9cm hotside not compressor wheel design... the HE351 has a large compressor wheel but flows the same and has the same efficiency (roughly) to that of the HX35

      HE351:


      HX35

    18. Member acee_dub's Avatar
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      06-14-2010 01:51 AM #43
      Quote Originally Posted by Quintin@USRT View Post
      done friday...
      Going to do some dyno runs?

    19. Forum Sponsor Quintin@USRT's Avatar
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      06-14-2010 09:03 AM #44
      Quote Originally Posted by acee_dub View Post
      Going to do some dyno runs?
      eventually.

    20. Member Dave926's Avatar
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      06-14-2010 08:41 PM #45
      I believe the he351 does flow a bit more. But q is right, that 90* is a bitch. The only way it will fit on any vw would be with a sri, or a 1.8t of some sort. Except most of 1.8t guys only talk about garretts and pte turbos that the dsm guys have proven how ****ty the chra's are at med to high boost.

      There is a dsm named aero who ran the he351ve (the vgt one) using a 14b actuator. Before his rod bearing went he was seeing positive manifold pressure around 2400 rpm. I'm not into fast spool but a turbo that spools before 3k and pump out 500+ whp is better than any turbo imho. Plus being able to have it act like a big hotside on the top end makes the turbine more efficient.

      Quint if you could post up at what point you see positive manifold pressure and at what point you see full spool that would be great

    21. Member Daskoupe's Avatar
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      06-14-2010 08:44 PM #46
      Quote Originally Posted by Dave926 View Post
      have proven how ****ty the chra's are at med to high boost.
      t
      yea i found this out
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    22. Forum Sponsor Quintin@USRT's Avatar
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      06-14-2010 09:37 PM #47
      5psi by like 2800...11~12psi by like 3800 (3rd gear...but its a tall 3rd )

    23. Member Dave926's Avatar
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      06-14-2010 10:13 PM #48
      That's a lot better than most garretts....sounds like something a 50 trim would spool at. That's really good when you consider your car is an 8v

    24. Forum Sponsor Quintin@USRT's Avatar
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      06-14-2010 10:21 PM #49
      yea its not bad...i found a small boost leak today will go drive it tomorrow.

    25. Member Dave926's Avatar
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      06-15-2010 12:57 AM #50
      Now just imagine if you actually made a divided mani. Dsm people talk about picking up a few hundred rpm of spool, along with 'tuning' their oil pressure.

      Btw quintin what is your oil feed/drain setup? I currently have some russel -16an proflex hose on the way and I'm going to flare the stock cummins pipe and clamp it to that. The od of the cummins drain tube is .88 and the russell proflex line is .875 id

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