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Holset compressor wheel efficient at low boost.

Discussion in 'Turbo Tech Questions' started by D_newt802, May 24, 2024.

  1. D_newt802

    Joined:
    May 24, 2024
    Hey everyone. I'm rebuilding a holset center section (I believe he341, free from a buddy) and im wondering if there is a compressor wheel I can use that will be efficient in the lower boost area .4 - .8 bar on a 3.2 liter vr6 engine. Looking for 350-400 crank horsepower (ish) and an engine that wants to eat all the time. Keeping stock 11-1 compression

    Car has a gtx3076 1.06 (China). That I like and would even consider dropping to .82 on hot side.
    Holset will most likely be running a 10cm hy35 hot side (stock hy35/341/351 turbine wheel). Just need guidance on compressor wheel because I've heard Holsets like high boost and this car won't see more than .5 bar of boost 90% of the time. I will not need "room to grow". When this setup is done it will be left as is. This is just a fun daily for smiles and the love of the game. Thanks ahead of time.
     
  2. Wallace

    Joined:
    Dec 3, 2004
    There used to be compressor maps for the holsets. Dig around you might find something.
     
    jbliss15 and D_newt802 like this.
  3. Forcefed86

    Joined:
    Nov 24, 2005
    search around on the diesel sites. you can get 60mm wheels and housings for those. Believe they have 55ish mm as well.

    Likely cheaper to buy a complete knock off turbo thats bigger than what you have though. Loos at the S361-s366 clones.
     
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