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2G Evo3 16 rebuild

Posted by Turbodhi, Mar 18, 2018

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  1. Turbodhi

    Turbodhi Proven Member

    57
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    Joined Oct 18, 2015
    Olathe, Kansas
    Hey guys, I just picked up an Evo3 16g for a hundred bucks. The turbine wheel looks a bit worse for wear and I would like to replace it. Any suggestions on who to go to for rebuild and balance?
     

    Street Build 374  2

    1997 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  2. 2gmitsueclipse

    2gmitsueclipse DSM Wiseman

    2,045
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    Joined Jul 13, 2005
    Auburn Hills, Michigan

    Autocross Build 18K  47

    1998 Mitsubishi Eclipse GSX
    awd · manual · 2G DSM

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    1999 Mitsubishi Eclipse GST
    manual · 2G DSM

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    1990 Plymouth Laser RS Turbo
    manual · 1G DSM
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  3. Brembo

    Brembo Proven Member

    291
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    Joined Aug 17, 2014
    Clifton, New Jersey
    I rebuild mine myself. I bought a kit online 50 dollars later it was rebuild. Really easy. But it is real mhi turbo. Others don't know. As far as balancing goes I believe Mitsubishi is component balanced and so far I don't have any issues. Their is really good video on YouTube of how to do it. I used it and worked like a charm. Good luck any questions let me know.
     

    Street Build 2K  6

    1990 Mitsubishi Eclipse GSX
    awd · manual · 1G DSM
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  4. Turbodhi

    Turbodhi Proven Member

    57
    1
    Joined Oct 18, 2015
    Olathe, Kansas
    I don't mind rebuilding it myself but I need a new turbine wheel. And if I replaced that, I might as well get the compressor wheel and have the balanced.
     

    Street Build 374  2

    1997 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  5. JusMX141

    JusMX141 Moderator

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    Greensburg, Pennsylvania
    Pretty much all turbos you encounter these days have balanced components. This doesn't correct for stackup unbalance, however...which is what you encounter when small imperfections on thrust parts or wheels add up to a major unbalance at the end of the shaft when torqued. The larger the rotor group is the less that stackup unbalance is truly an issue, but in any turbo that's being pushed it's a good idea to have the rotor group balanced to ensure nothing will go wrong in the future.

    Here's a video from a shop that has the same machine I do which explains why stackup unbalance can cost you a turbo a little better...anything over a 4 or 5 on the meter is major unbalance- if it pegs the meter, the vibration is bad enough that the shaft will break:

     

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    manual · 2G DSM

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  6. Brembo

    Brembo Proven Member

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    Clifton, New Jersey
    Thanks for sharing.
     

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    1990 Mitsubishi Eclipse GSX
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  7. ThunderChild

    ThunderChild Supporting VIP

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    Joined Jan 5, 2012
    Rathdrum, Idaho
    Nice vid, out of curiosity, whats one of those machines cost?

    I've rebuilt a few original mhi and holset turbos that didn't need any major parts replaced, just bearings, so i just mark the wheels and other hardware and reassemble, haven't had issues with any yet, but with new parts id definitely want a balance, even with components individually done.

    Thanks again Justin!
     

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    fwd · manual · 2G DSM

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  8. JusMX141

    JusMX141 Moderator

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    Greensburg, Pennsylvania
    You can't buy that exact machine any longer because Heins is no longer in business, but the closest standalone analog unit in current production is the WCB30 which is believe sells for just shy of $10k. There are cheaper (Chinese?) digital machines out there but what do you do 5 years down the road when the operating system is no longer supported or an accelerometer stops reading?
     

    2K  0

    1998 Mitsubishi Eclipse GST
    manual · 2G DSM

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    1997 Mitsubishi Eclipse GSX
    awd · manual · 2G DSM

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    manual · 1G DSM

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    1993 Eagle Talon TSi AWD
    manual · 1G DSM
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  9. ThunderChild

    ThunderChild Supporting VIP

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    Rathdrum, Idaho
    Gotcha, I figured as much. Be a sweet piece to have!
     

    Street Build 496  7

    1997 Mitsubishi Eclipse Spyder GST
    fwd · manual · 2G DSM

    Street Build 732  1

    1992 Eagle Talon TSi AWD
    manual · 1G DSM

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    awd · manual · 1G DSM
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  10. JusMX141

    JusMX141 Moderator

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    Greensburg, Pennsylvania
    Just did a 14B rotor group earlier tonight- got the static (untorqued) wheelset to around 1 on the readout just by clocking the compressor wheel different ways until it was the lowest starting point like I always do, and as soon as I torqued it the meter on the compressor side went to just under 6. That's a catastrophic failure waiting to happen if it's not corrected.
     

    2K  0

    1998 Mitsubishi Eclipse GST
    manual · 2G DSM

    4K  14

    1997 Mitsubishi Eclipse GSX
    awd · manual · 2G DSM

    2K  0

    1992 Eagle Talon TSi
    manual · 1G DSM

    3K  0

    1993 Eagle Talon TSi AWD
    manual · 1G DSM
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    Dstarperformance01 likes this.

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