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110 PSI At 80,000 RPM

Posted by 9 T GSX, Apr 16, 2019 at 2:54 PM

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  1. 9 T GSX

    9 T GSX Proven Member

    133
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    Joined Jan 19, 2008
    St.Pete, Florida
    Welcome to the next level. great video.. enjoy

     

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  2. ec17pse

    ec17pse Freelancer

    3,177
    1,094
    Joined Nov 1, 2008
    London, Europe
    80k as in turbo revs right? As im confused, turbos run alot more then that but also engine revs are alot less,
     

    Road Race Build 7K  34

    1997 Mitsubishi Eclipse GST
    175 whp · 180.1 lb/ft · 2G DSM
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  3. stillrunning

    stillrunning Proven Member

    63
    30
    Joined Oct 10, 2013
    brandon, Florida
    Being compound turbo allowed them to bring the turbo speed down to ~80k rpm which resulted in lower charge air temps, bringing the turbos into a better efficiency range than pushing a single too hard.

    Kinda what gets brought up allot that high psi doesn't always mean more power.
     

    Street Build 294  3

    1997 Mitsubishi Eclipse Spyder GST
    fwd · manual · 2G DSM
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  4. ThunderChild

    ThunderChild Previously tametalon92

    1,868
    425
    Joined Jan 5, 2012
    Rathdrum, Idaho
    Yes he's referring to turbo RPMs. He's using a gt42 and gt55, both as a high pressure function, which I'm assuming he's accomplishing with the specialty turbine housings since the RPM is lower than I'd assume. Then again with compounding, from what I understand, you can get away with the lower rpm keeping on the compressors efficiency island due to the second turbos compounding effect on the charge.

    Once again I'm a total noob as far as compound turbos go. either way it's awesome to see those crazy Aussies pushing the limits of the application. I'm very interested in the bucket-style-lifter head they mention someone in Europe has come up with... @ec17pse have you any information on that tidbit?
     

    Street Build 395  7

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

    Street Build 647  1

    1992 Eagle Talon TSi AWD
    manual · 1G DSM

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    1992 Eagle Talon TSi AWD
    awd · manual · 1G DSM
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  5. ChessmoDSM

    ChessmoDSM Supporting VIP

    190
    125
    Joined Apr 22, 2017
    Burlington, Vermont
    These guys might have "perfected" a race setup, but Kevin Jewer has been running a compound setup for a while now in a RWD talon.. :hellyeah:
     
  6. ThunderChild

    ThunderChild Previously tametalon92

    1,868
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    Joined Jan 5, 2012
    Rathdrum, Idaho
    Not discounting that at all! Just think it's a very cool accomplishment with some nifty hardware that I'll never be able to afford, haha.
     

    Street Build 395  7

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

    Street Build 647  1

    1992 Eagle Talon TSi AWD
    manual · 1G DSM

    Street Build 2K  10

    1992 Eagle Talon TSi AWD
    awd · manual · 1G DSM
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    BLACK'98DSM and ChessmoDSM like this.
  7. BLACK'98DSM

    BLACK'98DSM Proven Member

    135
    20
    Joined Feb 9, 2019
    Hoover, Alabama
    We all wish we could.
     

    Street Build 514  2

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM
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  8. motomattx

    motomattx Proven Member

    1,421
    348
    Joined Dec 9, 2010
    wampum, Pennsylvania
    The jealousy of the 4g63 in the comments is sad, people need to get a life, "its a billet block" yeah, so are the top fuel dragster "Hemi's" and you still call that a Hemi dont you?
     

    Drag Race Build 2K  13

    1995 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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    ThunderChild likes this.
  9. ThunderChild

    ThunderChild Previously tametalon92

    1,868
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    Joined Jan 5, 2012
    Rathdrum, Idaho
    Anyone who doesn't particularly like a certain group or brand does that, they'll nitpick anything to invalidate it. The fact that it can use stock internals if wished, and retains all the stock geometrics is enough for me.
     

    Street Build 395  7

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

    Street Build 647  1

    1992 Eagle Talon TSi AWD
    manual · 1G DSM

    Street Build 2K  10

    1992 Eagle Talon TSi AWD
    awd · manual · 1G DSM
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