The HOLSET Thread

Thread in 'Technical Questions' started by dale_b, Nov 23, 2012.

  1. stevieturbo

    stevieturbo Member

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  2. anzhar

    anzhar Member

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    As a complete novice, I'm posting this question so I don't waste money on something that don't work.

    Afaik the compressor is the grey/silver bit and the exhaust housing is the black/dark part

    So if I buy a hx40 turbo that comes looking like this

    Screenshot_2019-03-03-10-25-33.




    Can I remove the black bit, which I believe is the housing and use the hx35 housing below

    Screenshot_2019-03-03-10-24-17.



    Is it as simple as screw on and off or it's more work involved?

    Thanks
     
  3. stevieturbo

    stevieturbo Member

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    If you buy an HX40, no an HX35 housing will not fit.

    As the name indicates, they are different.
     
  4. anzhar

    anzhar Member

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    Ok thanks, I was reading about hx35 and hx40 hybrids. I misunderstood.
     
  5. stevieturbo

    stevieturbo Member

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    If you have the abilities and gear to machine parts to fit into different cores and housings, then yes you can create a hybrid.
     
  6. anzhar

    anzhar Member

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    If I was to buy the 2 and take it to a metal workshop, how much work and cost would it be? Ball park
     
  7. BenRice

    BenRice Well-Known Member

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    Why the need to fit an HX35 turbine housing to a HX40?
     
  8. stevieturbo

    stevieturbo Member

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    This is not the sort of thing an average machine shop can do.

    You may need a different core, turbine wheel, housing...or combination of all 3.

    If you want a hybrid turbo, by one from somewhere that actually builds them and knows what they're doing.

    But you dont just randomly throw parts together and expect them to work.
     
  9. anzhar

    anzhar Member

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    Quicker spool
     
  10. BenRice

    BenRice Well-Known Member

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    What cm housing is on the HX40 and what size were you going to replace it with?
     
  11. anzhar

    anzhar Member

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    the hx35 housing is 11cm

    the guy with the hx40 has not got back to me about the hx40 housing yet, but will post when he does

    the seller of the hx35 housing said it will physically bolt on to the hx40, but the hx35 housing will need to be machined out a little for the larger hx40 turbine wheel to fit.
    also said any shop with a lathe can machine it out to fit,

    just trying to make sure but don't wanna buy and get stuck with something cannot use

    its to go on 2.0 beams altezza, built engine, aimng for around 450 whp
     
  12. Mrodoc

    Mrodoc Member

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    Personally don't bother with a hx40. the lag you will get on a 2.0 will just bore you.

    Go for something smaller like hx35 or a hy35... will be more efficient for what you want and will produce less lag.
     
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  13. Mrodoc

    Mrodoc Member

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    also if your aiming for 450bhp on a beams engine I hope you've opened it up and built it
     
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  14. anzhar

    anzhar Member

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    Yes, built engine,

    I know the stock can only handle low boost and 250 to 280bhp
     
  15. Mrodoc

    Mrodoc Member

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    That's fair, But still, get the idea of a hx40 out of your head as it will be a waste of time effort and money and youll find that your not happy with the car. ideally hx40 needs to be on a 3.0 or a v8 impo...

    hy35 on anything 2.0 and under unless some serious work has/is being done.

    hx35 is a good middle ground but as you know they have become more popular and have started fetching more money for good examples.
     
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  16. anzhar

    anzhar Member

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    I've decided against the idea after the good advice of the knowledgeable people here.

    I've come across a company called FHummelTuning, who do hybrid Hillary turbos .

    Anyone got further info on their hybrid hx35 with 9cm custom housings?
     
  17. stevieturbo

    stevieturbo Member

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    Hilary turbos ? Not sure what would Trump that
     
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  18. anzhar

    anzhar Member

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    Lol, auto correct on phone, I meant holset!
     
  19. Mrodoc

    Mrodoc Member

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    Ideally on anything under a 2.0 engine not going for mammoth power id say you'd want to go with less than a 10cm exhaust housing so you can actually get usable power instead of just lag lag lag death

    do you have a build thread?
     
  20. Tony421

    Tony421 New Member

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    Hello, I am in France, i search infos about a holset h2c.
    I want to do a rear mounted mono turbo on a E55 AMG w210 5,4l V8 N/A, similar as Stavros.
    I want a low cost set up.
    I don't find informations for which turbo i must choose, for 6-8 psi with stock compression to win 100-150 HP and spool 3500 RPM or before.
    Holset h2c is cheaper than hx50-55 but i don't know if this turbo is ok ?
    Or another turbo if someone know which?
     

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