Is this 1,100 Turbo Upgrade Worth It?

Posted by spadepro22, Nov 27, 2012
Turbo System Tech - 4G63 turbos, Intercooling, Boost Control, Wastegates, etc.

  1. spadepro22

    spadepro22 Proven Member

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    Seneca, South_Carolina
    Well its decision time again and I need to do it asap. Short and simple, with kelford 272s, springs and retainers, all supporting mod, would it be worth upgrading to the XL Green from my 05h 20g? I know the XL is better turbo, but is the gains worth the 1,100 bucks? I know its up to me, but what would you do? Looking for 400whp on pump, meth/water if need for knock.
    #1
  2. kidtsi

    kidtsi Proven Member

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    Laredo, Texas
    for the price is not worth it in the dsm world, i would go bigger for that price.
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  3. UrbanSmoker

    UrbanSmoker Proven Member

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    Oakville, ON_Canada
    Get an HX40 for that price BRAND NEW with a BEP T3 or Bolt on and make 69+lb a min:thumb: problem solved.
    #3
  4. Bud92gsx

    Bud92gsx Supporting Member

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    Your moms house, BC_Canada
    Stick with a 20g..Or holset, you have the mods.Even tho you will have to move some stuff around for the holset but..Bigger injectors, and running corn would definatly get you over that 400 hp hump..

    If you add meth,well I'm sure you know the answer.
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  5. UrbanSmoker

    UrbanSmoker Proven Member

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    Oakville, ON_Canada
    Bud, cut the crap and go Holset too :p:tease:
    #5
  6. spadepro22

    spadepro22 Proven Member

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    Seneca, South_Carolina
    Where can new hx turbos be found, and what's your spool time?
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  7. Bud92gsx

    Bud92gsx Supporting Member

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    Your moms house, BC_Canada
    Mother F.:nono:
    #7
  8. UrbanSmoker

    UrbanSmoker Proven Member

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    Oakville, ON_Canada
    Um directly from cummins, or get in contact with justin. i see 22 psi by 4k and the turbo isn't even awake.

    Hehehehehehehehehehe seriously though. If you got one, you would wonder why you didn't earlier, plus you cant beat the spool sound of a Holset.
    #8
  9. Bud92gsx

    Bud92gsx Supporting Member

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    Your moms house, BC_Canada
    Justin did a great job on my 14b..This little bastard screams..I have not had it over 16 psi tho yet..

    YET..

    But when I do, I bet I see 22 psi, under 4k.I'm not gonna wai till 4k for my turbo to spool..Call me a weirdo, i'm used to it.
    #9
  10. UofACATS

    UofACATS Proven Member

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    Tucson, Arizona
    That's part of the holset downside with respect to the typical street dsm.

    With a 400whp goal why not run a 20g?
    #10
  11. UrbanSmoker

    UrbanSmoker Proven Member

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    Oakville, ON_Canada
    Just think about it this way, lag= fuel Ecomomy on the highway, and it spools in 1 and half a seconds when your going through the gears.
    #11
  12. Bud92gsx

    Bud92gsx Supporting Member

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    Your moms house, BC_Canada
    I'm an auto.So auto matic NLTS.No recovering boost issues..

    Fuel economy, who the hell cares about that.

    I went from the stock 17/18 mpg to about 22/23 with a shift box if you really want to know.
    #12
  13. spadepro22

    spadepro22 Proven Member

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    Seneca, South_Carolina
    I have tdo5h 20g, but I doubt ill get there.

    What do yall think about a hx40 with hx35 turbine wheel with bolton housing? Seen one in classified.
    #13
  14. UrbanSmoker

    UrbanSmoker Proven Member

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    Oakville, ON_Canada
    You will not get 400 AWHP on pump gas with a 20g... well i don't think so anyway. Im running my HX40 in the bolt on housing and its great, if you wanted 400 hp it makes it easily on pump you will just have to deal with some lag. Of course being the power hungry guy i am, ill be going T3 sometime in the future. I'm not satisfied with 400, need more boost for 600!

    How is that a down side? It makes 400WHP on pump gas when barely pushing it( not even awake yet)... That seems like an upside to me. The turbo has a WHOLE lot more in it. I'm confident i could get 500awhp on pump gas if i just turned up the boost and messed with timing a little. I only made 400 on the dyno cause i had some crank pulley and cam gear issues and didnt wanna push it too far until the issues were fixed, and now that they are ill be going up to 27psi and up from there. Everyone says they are worried about lag, but i daily drive my car and believe me 4k rpm comes up fast and your already at 20+ psi, I probably saw 27 when i was running it with LOW timing causing slower spool, by 4300. I just cant say enough good things about the cummins turbos.

    Edit: i just realized you were asking about a hybrid Holset, i think there was bad reviews on that being that the HX35 shaft wasn't really meant for that big of a compressor or something. But id ask Turboglen he runs one and seems to like it got good numbers also.
    Last edited: Nov 27, 2012
    #14
  15. UofACATS

    UofACATS Proven Member

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    Tucson, Arizona
    It's a down side to run a turbo out of its efficiency range. Nobody is doubting the ability of a HX40 to make 400 or 500 whp. This fact doesn't always make it the best option. "27psi and up from there" isn't an option on the typical street dsm. I'm not saying they don't have value as a great bang for the buck turbo, I'm saying they need to run higher boost, comparatively, to make the power they should.

    I say push the 20g on meth first.

    OP: Just looking at your avi and profile, you can also free up additional power with a retune on speed density. The car would then be close to 400whp, and will have a large, useable powerband.
    #15
  16. rr06rs

    rr06rs Proven Member

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    Jacksonville, Florida
    While I agree with the Holset route, another option would be turbo lab. He can upgrade your 20g to a gtx3076 wheel, making it comparable to the green xl that FP offers for roughly half the price. He even can go larger if you want but the 3076 compressor is about the most you're 20g turbine will hold up to.
    #16
  17. JusMX141

    JusMX141 Moderator

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    Greensburg, Pennsylvania
    Terrible wheel/housing combination. I'd rather see a HX40 turbine wheel with a HX35 compressor....at least you'll know you aren't going to hit an airflow wall.


    Plenty of good pump gas turbos out there. The HY35's been over 500 on pump gas but requires a T3 manifold and custom o2 housing....but when you only spend $250 on the turbo, it allows a lot of room for additional mods like that. ;)

    You can't think quick-spooling/big-power/pump gas. One of those three things are going to have to go in order to reach your goal. You can have a quick-spooling pump gas turbo, but it won't make big power. You can have a big-power pump gas turbo, but it won't spool fast. You can have a quick-spooling big-power turbo but you're not going to run 93. Comprendō? :D
    #17
  18. AngelOfPassion

    AngelOfPassion Proven Member

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    Mesa, Arizona
    C'mon Justin you are a miracle worker. Give us a quick spooling, pump gas turbo that can make big power! LOL.
    #18
  19. WES_393

    WES_393 DSM Wiseman

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    Black Forest, Colorado
    XL Green- $1,100

    More airflow potential at 59 lb/min. Slower spool due to size.

    Holset HX35- $250
    BEP .55 Housing- $250
    Punishment EWG O2- Already owned
    Cams and supporting mods- Already owned
    Oil feed and drain setup- About $150

    So for around $650 you'll have a faster spooling turbo with over 50 lbs/min airflow potential. Sure, that's less than the Green XL. But your only shooting for 400hp, your saving over $400, and you'll have a turbo that is just as bolt-on.
    #19
  20. T is for TURBO

    T is for TURBO Proven Member

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    Milwaukee, Wisconsin
    Or a regular FP HTA Green;)
    #20
  21. AK Maniak

    AK Maniak Supporting Member

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    Butte, Montana
    What is full spool on the hx35?
    #21
  22. codeofdastreets

    codeofdastreets Proven Member

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    dunedin, Florida
    fp is having a holiday sale.. The green xl is 1000 dollors, you could go to a fp red and make good power which is the same price as the green xl..
    #22
  23. WES_393

    WES_393 DSM Wiseman

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    Black Forest, Colorado
    With the .55 BEP housing on pump gas, people have reported 3500-4000 rpm. The biggest factors in that are tune and cam size. And what gear your in of course.

    IMO 3500 is hard to believe, but majority rule says the HX35/.55 should spool before 4k. Which is quick for a 450-500hp turbo.
    #23
  24. spadepro22

    spadepro22 Proven Member

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    Seneca, South_Carolina
    They recommend there oil feed kit for this turbo which is 110 I think.
    #24
  25. SpoolinTalonAWD

    SpoolinTalonAWD Proven Member

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    , Ogden_UTAH
    Ok. I'll say it. BorgWarner S300SX 8875 Turbo (S362) Twin Scroll T4.
    #25

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