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Holset Turbos, PART 2

Posted by Morphius, Jul 24, 2005

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  1. aero_sallee

    aero_sallee Proven Member

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    The 7 and 8 blades have a 58mm inducer. The 6 blade is a 60mm.
     

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  2. GORBS88

    GORBS88 Proven Member

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    Oliver, BC, Canada
    Sweet, thanx dude :thumb:
     

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    1992 Eagle Talon TSi AWD
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  3. 1993eclipseGS

    1993eclipseGS Proven Member

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    You should see how a holset works on a built srt-4....... i had a h1e, a hx40, and a hx35 on the car already.
     

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    1999 Mitsubishi Eclipse GSX
    10.614 @ 135.764 · 2G DSM
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  4. GORBS88

    GORBS88 Proven Member

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    And????????
     

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    1992 Eagle Talon TSi AWD
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  5. 1993eclipseGS

    1993eclipseGS Proven Member

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    I don't know what this thread is about, I seen holset, So I just posted that on a 2.4l motor, you can hit 30psi by 3500rpms with the b.e.p turbine housing. I was able to do 120mph burnouts on 15psi and an agp base map. I dont think i'll use anything but a holset anymore. I've had one on my last 2g and it was great. I'm going to get one for my 2.3l gsx that i'm building now aswell.
     

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  6. GORBS88

    GORBS88 Proven Member

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    Oliver, BC, Canada
    Awsome, I just got my hands on a HX-40 Pro so we will see how it peforms over the HX-35
    With the HX-35,272 BC cams and a DNP tubemanny i was able to get 20psi by 3500rpm on a 2.0litre, it worked great i just want a little bit more so hopfully the 40 does that!!
     

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    1992 Eagle Talon TSi AWD
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  7. ceedawg

    ceedawg Supporting Member

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    So I guess it's safe to assume that all 6blded HX40's are considered pro? I jut want to make sure:)
     
    ceedawg

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  8. JWoodley

    JWoodley Proven Member

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    That is correct. :thumb:
     

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  9. Maglin

    Maglin Proven Member

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    Joined Apr 30, 2004
    Wichita, Kansas
    Here are pics of my HX35 in my buddies 2G.

    [​IMG]

    [​IMG]
     
  10. gixrman

    gixrman Proven Member

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    You should tell him to put a filter on the end of that 1g BOV, they suck in air under vacuum. Dirts bad.
     

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  11. dsm-onster

    dsm-onster DSM Wiseman

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    Concerning the 6-blade vs. 7-blade vs. 8-blade hx40 compressors. There are 3 know compressor maps and 3 known compressor blades. It's logical that the low flowing map of the three is the 8-blade. Interestingly, the middle flowing map (55lbs/min) is w/in 3lbs/min of the high flowing map (57 lbs/min). And it is a bit more efficient at higher boost than the high flowing map.

    Is the 7-blade the 55lb/min map? It's likely. So don't count this compressor out. If these maps are labled correctly (there has been issues w/ holset maps), the 6-blade is best. Where flow is paramount. But most of us would be happy w/ 55 lbs/min :) .

    I agree. We should continue our discusion in the new thread.
     

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  12. dsm-onster

    dsm-onster DSM Wiseman

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    If he's peformed the dodgegarage mod to hold boost past 20 psi, then it doesn't leak in vacuum. I'm sure Jeremiah has taken care of his buddy!
     

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    manual · 1G DSM
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  13. ceedawg

    ceedawg Supporting Member

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    ceedawg

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  14. ceedawg

    ceedawg Supporting Member

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    Now you've really thrown a monkey wrench into the picture!WTF Is the 7 blade the ticket then?



    Go ahead and give it a start!:D
     
    ceedawg

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  15. GORBS88

    GORBS88 Proven Member

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    Oliver, BC, Canada
    Finally i got some pics of the hx35 and the new dnp manny,tial 44 and CAI, wasn't very easy getting the 4 inch inside fender.LOL

    This is the turbo i have forsale in the classifieds, but for some reason i can't get them to load in that section....sorry.
     

    Attached Files:

    695  0

    1992 Eagle Talon TSi AWD
    11.110 @ 132.560 · 1G DSM
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  16. GORBS88

    GORBS88 Proven Member

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    Joined May 26, 2004
    Oliver, BC, Canada
    You have confused me here, sorry.:( You state that the 7 blade flows 55lbs/min but is within 3 of the 6 blade which is 57lbs. I thought that was within 2lbs? Or am i reading this wrong? Could you list the lbs/min for all three wheel options for the hx-40?
    I am getting the pro 6 blade so i am assuming it flows 57lbs/min?
     

    695  0

    1992 Eagle Talon TSi AWD
    11.110 @ 132.560 · 1G DSM
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  17. dsm-onster

    dsm-onster DSM Wiseman

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    Joined Jul 11, 2004
    Bloxom, Virginia
    see new thread. . .
     

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    1990 Mitsubishi Eclipse GST
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  18. Morphius

    Morphius DSM Wiseman

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    ^^^ making it official.

    Part 3:
    Holset Turbos, PART 3 - DSM Forums




    For more discussion history:
    Link to Part 1 :
    http://www.dsmtuners.com/forums/showthread.php?t=145691]Holset Turbos - DSM Forums

    Link to Part 2:
    http://www.dsmtuners.com/forums/showthread.php?t=192083]Holset Turbos, PART 2 - DSM Forums

    Link to Part 3:
    http://www.dsmtuners.com/forums/turbo-system-tech/274459-holset-turbos-part-3-a.html

    Link to Part 4:
    http://www.dsmtuners.com/forums/turbo-system-tech/303969-holset-turbos-part-4-a.html

    Link to Part 5:
    http://www.dsmtuners.com/forums/turbo-system-tech/314629-holset-turbos-part-5-a.html

    Link to Part 6:
    http://www.dsmtuners.com/forums/turbo-system-tech/327647-holset-turbos-part-6-a.html

    Link to Part 7:
    http://www.dsmtuners.com/forums/turbo-system-tech/353498-holset-turbos-part-7-a.html

    Link to Part 8:
    http://www.dsmtuners.com/forums/turbo-system-tech/371627-holset-turbos-part-8-a.html

    Link to Part 9:
    http://www.dsmtuners.com/forums/turbo-system-tech/436168-holset-turbos-part-9-a.html


    For Holset FAQ: (growing document and not finished)
    Link to FAQ:
    http://www.dsmtuners.com/forums/turbo-system-tech/362444-holset-turbos-faq.html


    For in vehicle results:
    Link to Results Only:
    http://www.dsmtuners.com/forums/tur...-results-only-complete-installed-systems.html

    Link to HX-52 setup;
    http://www.dsmtuners.com/forums/turbo-system-tech/307988-holset-volvo-hx-52-dyno-sheets.html


    For more specific component discussion:
    Link to Holset Part #'s:
    http://www.dsmtuners.com/forums/turbo-system-tech/312186-holset-part-thread-only.html

    Link to Holset oil feed discussion:
    http://www.dsmtuners.com/forums/turbo-system-tech/244467-holset-hx-35-oiling.html
    http://www.dsmtuners.com/forums/tur...turbo-users-your-oil-drain-may-too-small.html

    Link to Fake Holset Info:
    http://www.dsmtuners.com/forums/newbie-forum/306635-counterfeit-holset-turbos.html


    Summary provided by wiseman, Dsm-onster:
    HX35:

    The 8blade hx35 has a 56mm compressor inducer. This is found on 1995-1998 cummins manual pickups. The compressor flows 52 lb/min according to the compressor map. The bolton BEP housing (0.55 a/r) is enough to push the limit of the compressor. There's several 500whp 8blade hx35 cars out there with the bolt on housing. It reaches 20+psi by 3500rpms in 3rd with 272 cams. Smaller cams would equal a faster spool speed in most cases.

    The 7blade hx35 has a 56mm compressor inducer. This is found on the 1999-2002 cummins manual pickups. The compressor flows 60lb/min according to the compressor map and logged results from a member here. The bolton BEP housing with the hx35 turbine wheel do not SEAM to have enough flow to really reach the potential of 60lb/min. But many have logged over 50lb/min so far and seen 500whp. The stock hx35 12cm^2 twinscroll turbine housing is a t3 flange housing. This mated to a NON-divided runner manifold has produced a 132mph trap speed with a full weight 1g AWD. This is about 600whp. So the flow is there with the stock housing if you use a non-divided manifold. The spool speed of the 7blade hx35 is similar to the 8blade hx35 with 20+ psi by 3500rpms in the bolton housing and by 4000rpms with the stock housing with a non-divided manifold.

    HY35:

    The hy35 has a smaller turbine wheel than the hx35. And, it has a turbine housing connection that does not allow for a bolton housing to be used. It does not have a divided housing so any t3 manifold can be used effectively with this turbo. It has the same compressor as the 7blade hx35. We don't know if te hy35 turbine wheel and housing is enough to reache the 60lb/min potential of the 56mm 7blade compressor. Some one try it out already!!! :) It should at least be a faster spooling viable option to the full t3/t4 50-trim.

    H1C/WH1C:

    In 1994, there was the Wh1c which has pretty much the identical compressor as the hx35 but with a Vband compressor cover. The turbine wheel is the same. It will bolt into the BEP bolton hx35 turbine housing. It has 4 bolts at the housing instead of 6. So you will need to buy 2 more bolts and use 6 washers cut to make a flat side. Honestly, I just used bolts that were cut a little short and the bolt head was wide enough to pull the chra to the turbine housing. No sealing issues. Since the Wh1c is for all practical purposes an 8blade hx35 the spool and flow is the same too.

    I have the big h1c. It comes on the INTERCOOLED 1991-1993 cummins pickups. It has the webbing for MWE but no groove cut like the hx35/wh1c has. This turbo I term the big h1c because it has a 54mm compressor inducer and same exducer than the 8blade hx35/Wh1c. The other h1c is the small h1c found on the NON-intercooled cummins pickups. This has a 50mm inducer but only 7blades and has no webbing for MWE. Less blades helps flow, but so does a larger inducer diameter. The most whp ever recorded on a gas 4cylinder with the small h1c was done on a KA24 nissan: 411whp. Since the big h1c has a 4mm larger inducer and the same turbine wheel as the hx35, it is safe to say that it flows enough for between 411whp and 500whp. The diesel sources state that it flows SLIGHTLY less than the early hx35. So 4lb/min less than the 8blade hx35 puts the flow of the big h1c at 48-49lb/min right where a 50-trim or 20g is. The small bep housing is all that's needed to get the most from the compressor and the spool speed is 20+psi by 3500rpms.

    HX35-40 hybrid:

    Keeping the long tradition of the marriage of sportcompact and hybrid turbos, there is the hx35 turbine and the hx40 compressor. It is strongly recommended to use the large bep turbine housing or the stock hx35 turbine housing with an non-divided t3 manifold for this turbo. The small bep housing around a t31 size hx35 turbine wheel is probably not enough to merit any of the hx40 compressor wheel upgrades. 20+ psi by 4000rpms can be seen in the hx35/40 with the hx35 12cm^2 turbine housing with a non-divided t3 manifold. With the large bep housing, spool times are to be determined. But likely similar.

    HX40:

    The 8blade hx40 has a 58mm inducer and flows about the same as a 60-1 (around 60lb/min) with ALOT better high boost efficiency and spool speed. It is the most common hx40 out there. The small bep housing with the hx40 turbine wheel is plenty to reach the full potential of the 60lb/min 8blade hx40 compressor. 20+ psi by 4100rpms with 272s.

    The 7 and 6 blade hx40 is called the super40 and has the 60mm compressor inducer. This compressor flows around 69lb/min. You can get this wheel in billet style (think HTA). The non-billet wheel spools as fast as the 8blade hx40 in the bolton bep housing and has done 653whp at 40psi per the holset results only thread. Billet should spool even faster. The t3 .70 a/r BEP housing slows spool about 400rpms. But reports show a significant gain in flow per psi. So expect more power at lower boost with that turbine housing.

    H1E/WH1E:

    The Wh1e is like it's little brother the Wh1c. It mirrors the hx40 8blade in every way except that it has a v-band compressor cover and a 4bolt chra-turbinehousing pattern. It will consequently bolt into the hx40 bep bolton turbine housing and this is plenty of flow to max out its 60lb/min compressor.

    The h1e is like it's little brother the h1c. There are different size compressors. . . BUT there are also different size turbine wheels too. Check measurements before buying this turbo if you plan on running a BEP turbine housing. There are lower flowing compressors than the 58mm 8blade that are out there. So this turbo may not flow any more than an hx35 if get the wrong one. You need at least a 58mm compressor inducer for this to be a worthwhile turbo vs the proven hx35 or 8blade hx40.

    HX52:

    This is a big sucker. It is commonly found on the Volvo Semis and usually has a billet compressor wheel. It flows 88lb/min. There is no bolt on housing for it. If you want a bolton housing for this turbo, then you don't want this turbo. In fact if you want a t3 flange turbine housing for this turbo, then you don't want this turbo. You DO want this turbo if you're looking at a gt4294r or gt4202r. The turbine inlet is slightly different than a t4 bolt pattern. You can still get the t4 manifold to work just fine by enlarging the bolt holes.

    Misc.:

    • Holset's don't spool slow. They spool faster than their garrett or mitsubishi counterparts. Diesel exhaust is cold and slow moving.
    • The holset turbine wheel is a work of art. It has been shown to flow very well in a very small turbine housing. For example the hx40 turbine wheel in the small .55 ar bep bolton housing flows as much as a garrett gt35r turbine wheel in a larger .63 ar garrett t3 turbine housing. The hx40 with this configuration spools about 500rpms faster! You can upgrade to the .70 a/r BEP t3 turbine housing and have the same or slightly faster spool speed as the above gt35r with ALOT more flow per psi and consequently more horsepower per psi. This makes for VERY good pumpgas numbers.
    • Holset patented map width enhancement. They do not have extended tip technology, but there compressors show more efficiency than their garrett or mitsubishi counterpart.
    • They have superback technology witch leads to VERY, VERY durable compressors. The are designed to be overworked and underpaid.
    • There are discrepancies all over the web concerning the compressor maps. Take what you hear/read with a grain of salt and a shot of tequila, and the worm.
    • The holset is fine with stock 4g63 oil pressure from the oil filter housing. If you have no b shafts, you'll need a restrictor. The drain line is a garret bolt pattern. The feed line is different for different turbos.



    Summary of compressor/turbine combinations provided by mod/wiseman, JusMX141:

    HX35 Compressors:
    50mm / 78mm 7-blade
    52mm / 78mm 7-blade
    54mm / 78mm 7-blade
    54mm / 83mm 8-blade
    56mm / 83mm 8-blade

    Turbine: 70mm / 60mm


    HX40:Compressors:

    56mm / 86mm 6-blade (cast & billet)
    60mm / 86mm 6-blade (cast & billet)
    60mm / 86mm 7-blade (cast & billet)
    58mm / 83mm 8-blade (cast & billet)
    60mm / 83mm 8-blade

    Turbine: 76mm / 64mm
     
    Last edited: May 18, 2012
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